a. Plain blanket It is the normal type, suitable for big diameter pipelines, flat and irregular surfaces, building walls with good thermal insulation and acoustic absorption effects. The blanket with glass cloth, aluminium foil or wire mesh on facing is available. b. Blanket with aluminium foil facing The product is designed for circular ducts, small equipment and air-conditioning system pipelines, with properties of good water-resistance, dust-proof, and perfect thermal insulation. c. Blanket with wire mesh The product is used under conditions of strong vibration and high temperature, also recommended for thermal insulation of boilers, vessels, flanges/ valves and big diameter or large irregular pipelines. d. Blanket with glass cloth Facing The product is developed for large span equipment and building walls with good dust-proof performance. Maximum service temperature Plain Blanket: 450C (850F) With Glass Cloth: 650C (1200F) With Aluminium Foil: 250C (480F) With Wire Mesh: 750C (1400F) The blankets are non-combustible, water-repellent, and non-hygroscopic. The wool is neutral or slightly alkaline, and normally not support the growth of molds, fungi and bacteria.
The calcium silicate products are suitable for thermal insulation in stove, cave dwelling of steel mill, petrochemical, ceramics, glass, cement industries and power industries as well as other various ancillary heating equipment. With the properties of the following; - High strength: the strongest one among the inorganic thermal insulation materials with the similar density - Non-deformation within the temperature range - Low thermal conductivity - Asbestos-free Availability Board: Length x Width : 610 x 150mm 600 x 150mm 610 x 305mm 600 x 305mm 915 x 305mm 1000 x 500mm Thickness: 25 ~ 75mm Curved sheet: Inside diameter: 196 ~ 3560mm Thickness: 25 ~ 75mm Length: 600mm, 610mm, 915mm Pipe cover: Inside diameter: 16 ~ 171mm Thickness: 25 ~ 75mm Length: 600mm, 610mm, 915mm Tolerance for different products: board: Length: -2 ~ +3; Width: -2 ~ +3; Thickness: -2 ~ +3; Curved sheet: Length: -2 ~ +3; Inside diameter: -0 ~ +5; Thickness: -2 ~ +0; Pipe cover: Length: -2 ~ +3 Inside diameter: -0 ~ +3 Thickness: -2 ~ +0
The 650 grade calcium silicate products are suitable for thermal insulation of piping and equipment in power station, steel mill and petrochemical industries as well as other various fields. It can also be specified to use in furnace as backing material of refractory bricks. With the properties of the following; - high strength: the strongest one among the inorganic Thermal insulation materials with the similar density - non-deformation within the temperature range - low thermal conductivity - asbestos-free Board: Length x width : 610 x 150mm 600 x 150mm 610 x 300mm 600 x 300mm 915 x 305mm 1000 x 500mm Thickness 25-75mm Curved sheet: Inside diameter: 196 ~ 3560 Mm length: 610/600/915mm Thickness: 25 ~ 75mm Pipe cover: Inside diameter:16 ~ 171mm Length: 610, 600, 915mm Thickness: 25 ~ 75mm
The banding products are mainly in 0. 5mm thickness, 1/2 inch, 3/4 inch and 1 inch width, of type 304, type 316 material, and wing seals fit for the specified bandings. Our standard packaging contains 10 kg or 20 kg of coiled stainless banding. Other weights are available upon request.
Resistant to the ball of fire Refractory ball is a kind of refractory material with a very wide range of applications. Refractory ceramic ball is made of industrial alumina and refractory kaolin as the main raw material, which is made by scientific formula, shaping and high temperature sintering. Refractory ball has high mechanical strength, long service cycle, high temperature resistance, oxidation resistance, wear resistance, strong acid and alkali chemical corrosion, excellent resistance to quench heat and very low chemical activity. Fire resistant classification 1, according to the aluminum content Ordinary refractory ball: suitable for converter sulfuric acid and the chemical fertilizer industry and transform furnace High aluminum refractory ball: high aluminum resistance to the fire, the application of urea, steel and other industries, such as hot blast furnace, heating transformation furnace and other equipment. 2, by type Refractory ball: aluminum content 45-90, 10-70 silicon content, iron content is less than 1. Corundum refractory ball: aluminum content 90-98, 0.5-5.0 silicon content, iron content is less than 0.5. Low silicon aluminum refractory ball: the contents of 90-98, silicon content is less than 0.3, iron content is less than 1. Physical and chemical index project Al2O3 (%); or Sixty-five Seventy Seventy-five Eighty-five Volume density (g/cm32) Two point two Two point three Two point five Two point eight Bulk density (M3 Kg/) 1550 ~ 1600 1600 ~ 1650 1600 ~ 1750 1650 ~ 1700 Specific surface area (M3 m2/) 200 ~ 220 The coefficient of thermal expansion (3) (x = 10-6/ C); Six Six point five Seven Eight Resistant ball use Common refractory ball used in sulfuric acid and fertilizer industry of high and low temperature shift furnace, reformer, hydrogenation, desulfurization tank and methanation furnace and dispersed liquid, and supporting, covering and protecting catalyst. High aluminum resistance ball is suitable for hot blast stove, heating transformation furnace and other equipment in urea, steel and other industries.
Summary Quartz sand is a hard, wear-resisting, stable chemical property of silicate minerals, the main mineral composition is SiO2, quartz sand color is milky white, or colorless translucent, a multi edge type ball of white crystal, hardness, brittle cleavage, conchoidal fracture, oily luster, density is 2.65, bulk density (1-20 1.6), 20-200 head is 1.5, the chemical, thermal and mechanical properties has obvious differences to, insoluble in acid, slightly soluble in KOH solution, melting point 1750 DEG C. Quartz sand application Quartz sand is a unique physical and chemical properties, making it occupies a pivotal position in the aviation, aerospace, electronics, machinery, and today, with the rapid development of IT industry, especially in the inner molecular chain structure, crystal shape and lattice changes, so that it has high temperature resistance, thermal expansion coefficient is small, high insulation, corrosion resistance, piezo electric effect, resonance effect and the unique optical properties, is playing a more and more important role in many high-tech products. Fine quartz sand can be used as abrasive, such as grinding glass: Glass: flat glass, float glass, glass (glass jar, glass bottle, glass tube, etc.), optical glass, glass fiber, glass instrument, conductive glass, glass cloth and anti ray special glass as the main raw material. Second, ceramics and refractory materials: embryo material and porcelain glaze, kiln with high silica brick, ordinary brick and silicon carbide and other raw materials. Three, metallurgy: silicon metal, ferrosilicon alloy and silicon Aluminum Alloy and other raw materials or additives, flux Four, construction: concrete, cementitious materials, road materials, artificial marble, cement physical performance test materials (cement standard sand) Five, chemical: silicon compounds and water glass and other raw materials, sulfuric acid tower filler, amorphous silica powder Refractory quartz sand application Refractory quartz sand is the main component of quartz sand. According to various needs to add different additives. Scientific formula. Advantages of low price, good acid resistance, non stick slag. All required materials for metal smelting induction furnace lining. The main technical indicators: SiO2 = 97.5%Al2O30.7---0.3%Fe2O30.4---0.1%H2O = 0.5% Bulk density: 1.9----2.1g/cm fand Liner volume density: 1.75---1.8g/ cm fand Fire resistance: A[1500---1700 advisable] Fire resistance: H, C[1300---1450] advisable size: 5.1-----0.021mm Refractory quartz sand used in smelting non-ferrous metal, black power, frequency, frequency conversion, core induction furnace lining
Introduction of mullite Mullite is a kind of high quality refractory materials, it has a uniform expansion, hot pillow excellent stability, high load softening point, high temperature creep value is small, high hardness, good resistance to chemical corrosion, there are mainly high purity fused mullite, fused mullite sintered mullite, all natural bauxite concentrate and light mullite. Mullite purposes Mullite are suitable for all kinds of flame furnace lining work, direct contact information with the flame (not contact information melt), other high temperature heat preservation and heat insulation equipment, such as: 1, the preparation of various lightweight refractory castable, spray coating, etc.; 2, heating furnace, soaking furnace, heat treatment furnace, annealing furnace, ceramic, refractory products sintering furnace, the furnace wall; 3, steam boiler, oil industry tube furnace, ethane cracking furnace lining; 4, all kinds of industrial furnace door, observation hole lining.
Water sand characteristics (1) cutting speed (2) cutting surface more smooth, more direct (3) no large particles of sand pipe (nozzle) (4) fine grained garnet without void (5) there is no dust, the dust affects the cutting effect and it is difficult to clean the waste after cutting. Commonly used specifications 46# 60# 80#100# 120# 160# 24# Use sand jet 60# products: stone cutting, part of ceramic tile, carbon steel cutting 80# products: ceramic tiles, carbon steel, aluminum, stainless steel, copper, titanium alloy and other cutting; part of the stone cutting; part of glass cutting, part of silicon, polycrystalline silicon cutting 80# products: glass cutting, silicon, polycrystalline silicon cutting; some ceramic tile, carbon steel, aluminum, stainless steel, copper, titanium alloy and other cutting 120# products: glass cutting, single crystal silicon, polycrystalline silicon cutting
Use of sodium sulfate Sodium sulfate to sodium sulfide production, pulp and paper, glass, water glass, enamel, also used as a laxative and barium salt poisoning antidote. Is a by-product of the production of hydrochloric acid with salt and sulfuric acid. The chemical industry for the manufacture of sodium sulfide, sodium silicate, etc.. Laboratory for the wash out of the barium salt. Industrial used as a raw material for the production of NaOH and SO H, also used in paper, glass, printing and dyeing, synthetic fiber, leather, etc.. In the organic synthesis laboratory sodium sulfate is one of the most commonly used after treatment desiccant. The use of sodium sulfate 1, the chemical industry used in the manufacture of sodium sulfide, sodium sulfide, sodium silicate (sodium silicate) and other chemical products. Production of sulfur base: the production of 1 tons of sulfur base needs about 1.6 tons of anhydrous sodium sulfate. 2, synthetic detergent: washing synthetic detergent industry. The amount of detergent is generally accounted for about 45% of the total amount of the entire industry accounted for about 45% of total amount of domestic mirabilite. 3, pulp and paper industry for the production of kraft pulp cooking agent. 4, glass: glass industry to substitute for soda, do help solvent. The amount of sodium sulfate in glass industry accounted for the total amount of 12%. 5, textile printing and dyeing textile industry for the deployment of Vigny Lun spinning coagulant. 6, for non-ferrous metals metallurgy, leather and other aspects. 7, special Glauber's salt includes sodium sulfate used in feed, medicine and other fields, and used in the detergent industry in coarse particles, color particles, such as new varieties. The effect of different grades of sodium sulfate: Sodium sulfate content among them, aliquots of impurities and color for different grades according to the, now the related knowledge introduction is as follows, to initiate it. Electronic grade (mainly containing >99.99): mainly used in medicine as an antidiarrheal agent, the amount of small, there is no domestic production, mainly concentrated in Japan. A class of one grade products (>99.0): mainly used for printing and dyeing, synthetic detergent, Vigny, etc.. Two kinds of first grade products (>98.0): mainly used in glass, dye, paper and other industries. Three classes of grade one (the main >95.0): mainly used for inorganic salts and other industrial raw materials or other products such as filler.
Physical and chemical index Physical property Sodium bicarbonate was white crystal, fine crystalline monoclinic or opaque. Specific gravity 2.15. Odorless, salty, water soluble sodium bicarbonate, slightly soluble in ethanol. 25 water soluble in 10 water, about 18 degrees in 12 water soluble in water. Its aqueous solution by hydrolysis was slightly alkaline, at room temperature in the stable properties, heat easily decomposed, in more than 50 DEG C gradually decomposition, complete carbon dioxide loss at 270 DEG C, in air drying had no change, in the humid air in slow decomposition. Chemical property The heat is easy to decompose, and slowly decompose in the humid air. About the beginning of the reaction of CO at 50 degrees, 100 degrees in all into sodium carbonate. Rapid decomposition of the weak acid, its aqueous solution at 20 C, the decomposition of carbon dioxide and sodium carbonate, to the boiling point of all decomposition. Without stirring the solution made of the cold and to phenolphthalein test were only slightly alkaline reaction, placed or elevated temperature, the alkalinity increased. Fresh water solution pH 25 C 0.1mol/L value of 8.3. Low toxicity, half lethal dose (rat, oral) 4420mg/kg. Soda application Sodium bicarbonate can be directly used as pharmaceutical industry raw materials, used to treat hyperacidity. Can also be used for film production, tanning, mineral processing, smelting, heat treatment of metals, as well as for the fiber and rubber industry, etc.. At the same time as wool detergent, as well as for agricultural seed etc.. One of the most widely used osteoporosis agent in food industry for the production of biscuits, cakes, bread, bread and other is carbon dioxide in soda water generating agent; and alum composite alkaline baking soda, and soda ash composite for civilian soda; can also be used as butter preservation agent. Fire fighting equipment used in the production of acid and alkali fire extinguishers and foam. With the alum, H foaming agent in combination with uniform hole effect for rubber, sponge rubber industry production. Metallurgical industry used as a flux casting steel ingot. Machinery industry (Foundry) used as casting molding auxiliary mould. Printing and dyeing industry as dyeing and printing process, acid-base buffer, rear fabric dyeing and finishing the treatment agent. Baking soda stain can prevent yarn unevenness. Pharmaceutical industry used as raw material for making acid.
Classification of steel fiber The advent of steel fiber is not long, but more and more widely used in the field, with this corresponding, steel fiber varieties are also increasing. According to the shape of the division: Flat steel fiber, pressure prismatic steel fiber, waveform steel fiber, bending hook shaped steel fiber, big head shaped steel fiber, double pointed steel fiber, cluster of steel fiber and so on. 2 according to the section shape: Round, rectangular, groove type, irregular 3 according to the production process: Cut off the steel fiber (cut off with a fine steel wire); Shear steel fiber (with a thin steel sheet, strip shear); Milling steel fiber (steel or steel ingot cutting); Molten steel fiber (molten steel pumping). The most promising is the dissolution of steel fiber, the lowest price 4 according to the material is divided into: Plain carbon fiber (tensile strength is generally in 300~2500mpa); Stainless steel fiber (according to the material 304310330430446, etc.); Other metal fibers (aluminum, copper, titanium and alloy). According to the state of surface coating: No coating, surface coating of epoxy resin, zinc, etc.. The industrial use of a large number of ordinary steel fiber without coating.
Pearly sand Perlite is a by acidic volcanic glassy lava through the broken, preheating, roasting and swelling and are made with porous structure, white, loose granular materials, which has the characteristics of small volume, low thermal conductivity, good chemical stability, non flammable, non-toxic, tasteless, sound-absorbing. Pearly sand properties 1. Perlite is a adsorption ability is very strong material, it has good infiltration, infiltration of the pearlite sand surface is wet after the release of heat. 2 pearl sand is a small capacity, low thermal conductivity, good chemical stability of the material. 3 perlite or not flammable, non-toxic and tasteless, sound-absorbing material, has good effect in the industry. Physical and chemical index Component Sio2 Al2o3 Fe2o3 Cao Mgo K2o Na2o Content Seventy-five point four two Fourteen point two six One point zero one One point seven two Zero point three seven Four point zero one Three point two six Pearly sand classification One is the use of perlite building, the particles are relatively large, the intensity is relatively large. The other is the use of equipment insulation, mainly used to make filler, smaller particles, small strength, good thermal insulation. Use of perlite This product is mainly used for large ultra low temperature thermal engineering construction of the insulating layer, such as oxygen air separation unit, natural gas, liquid hydrogen, liquid nitrogen, liquid oxygen refrigerated transport such as travel. This product has good ultra low temperature thermal insulation performance. The 1 is the perlite insulation materials, can be used to make some use of the roof insulation layer. Heat insulation effect is good, and some can also be used to make the use of crop cultivation soil configuration. 2 production of heat insulation brick used in the construction industry, etc.. 3 making hand washing powder, washing powder of pearlite is other material cannot replace, structure and its screening is very strict.
Efficiency of granulated blast furnace slag powder 1 to save the amount of cement 30-60% (including cement mortar), reduce the cost of cement and concrete projects. 2 with the role of volcanic ash, increase concrete compressive, tensile, bending, shear strength. 3. Significantly reduced the hydration heat of concrete, improve the concrete workability, reduce segregation and bleeding, reduce the large volume concrete temperature changes and stress, inhibition of temperature and cracks. 4 can inhibit the alkali aggregate reaction, significantly improve the ability of concrete anti alkali aggregate reaction. 5 can be in the form of micro aggregates in the concrete, improve the concrete in the hole structure, so that the pore size can be refined and uniform, improve the permeability of concrete, freeze-thaw resistance and durability. 6 can significantly reduce the bleeding amount of cement concrete, improve cement concrete workability. 7 can effectively improve the cement concrete resistance to seawater and fresh water erosion, resistance to sulfate erosion. Especially suitable for anti seawater engineering, underground engineering and pavement engineering. 8 with the same amount of water, the plastic concrete can be formulated to avoid the quality problems caused by the reinforcement of the reinforced concrete and the poor vibration. Under the same conditions, the concrete can be made into the flow pattern of the mold, reduce the concrete pump, pipe and mold wear and prolong the service life of the concrete pump. 9 can be made of masonry, plastering cement mortar and low grade cement. In the case of meeting the strength requirements, not only can save the cement of 30-60%, but also improve the operability of the construction. 10 suitable for the production of environmentally compatible type of cement based materials and high performance concrete admixture. Method for the use of phosphate rock powder Suitable for rock phosphate fertilizer in acid soil, is not suitable for dressing. As the fertilizer application amount of phosphate powder should be considered depending on the available phosphorus content, generally about 100 pounds per acre. According to the uniform land tillage applicator, then turn into the root depth. The phosphate rock long effective period, after the implementation of separate 1-2 zaishi. Phosphate rock powder should be arranged in acid and phosphorus deficiency.
Counterweight iron sand. The counterweight iron is a kind of iron ore raw materials in weight, its role is to balance. For example, the counterweight engineering machinery in sporting goods in weight. For weight or pressure reuse of iron ore, iron ore, the proportion of general counterweight iron for 4.2 - 7.2 (bulk density of 2.5 - 4.8) between, customers are in terms of the drainage density (true specific gravity drainage density [1]). The product weight different needs of different proportion of the iron weight. Counterweight iron sand density The proportion of general counterweight iron for 4.2 - 7.2 (bulk density of 2.5 - 4.8) between, specifications: 0.2-2.0mm, customers often to drainage density (specific gravity), as the purchase of indicators. The product weight different needs of different proportion of the iron weight. A small proportion of iron weight: 6.2-6.5 tons / m3 4.1-4.3 tons / m3 reactor A large proportion of iron weight: 6.8-7.2 tons / m3 4.8-5.2 tons / m3 reactor Physical and chemical index Chemical composition Content Iron (fe) More than 93% Carbon (c) Less than or equal to 0.50% Manganese (mn) Less than or equal to 1.20% Silicon (si) Less than or equal to 0.20% Sulfur (s) Less than or equal to 0.25% Phosphorus (p) Less than or equal to 0.05% Counterweight iron sand use 1, sports and fitness activities counterweight 2, electric counterweight counterweight 3, concrete weight 4, the hull large mechanical engineering mechanical pressure 5, wear-resistant engineering, such as the airport runway, bridge pavement, pier, bridge, steel plant, etc..
Mica powder Mica powder is a non-metallic mineral, containing a variety of ingredients, including the main SiO2, the content is generally around 49%, Al2O3 content of about 30%. Mica powder has good elasticity and toughness. Insulation, high temperature resistance, acid and alkali resistance, corrosion resistance, strong adhesion and other characteristics, is an excellent additive. It is widely used in electrical appliances, welding, rubber, plastics, paper, paint, paint, paint, ceramics, cosmetics, new building materials and other industries, the use of a very wide range. With the development of science and technology, people have opened up a new field of application. Mica powder application 1. coating are Mica powder coating is a kind of new green environmental protection packing, unique two-dimensional sheet barrier, UV shielding, chemical structure stability effectively improve the coating's penetration resistance, weatherability, abrasion resistance and corrosion resistance. Also, excluding any radioactive elements, leading the trend of environmental protection in coating field. It is widely used in building exterior wall coatings, anti-corrosion coatings, powder coatings, high temperature resistant coatings, insulation coatings, waterproof coating, paint, paint, paint and some special coating. 2 cosmetics field Makeup grade mica has unique sheet structure, silky luster and silky texture, the silty cosmetics like silky light and delicate. Natural texture let skin has excellent affinity and crystal beautiful effect, giving cosmetic touch soft, soft luster, good appetency, paste skin force is strong wait for a characteristic, is the cosmetics industry preferred high-grade powder materials. 3 plastics field The plastic mica powder has the characteristics of high thickness ratio, high temperature resistance, acid and alkali resistance, abrasion resistance, etc., and is a kind of natural functional powder filling material. Company select high-quality mica ore, the unique wet grinding and peeling and purification technique, mica lamellae cleavage completely, save the mica unique high diameter thickness ratio structure (diameter to thickness ratio is as high as more than 100), make it in plastic products with prominent enhancement effect, and gives plastic plastic products excellent dimensional stability; the product itself characteristic of high temperature also greatly improve hot plastic deformation thermometer Vicat softening point, applicable to high temperature condition of parts and products, mica and glass fiber compared with smooth product surface, no warping deformation characteristics. Products are widely used in PP, PA, PBT, PET and other plastic modification, plastic masterbatch, engineering application.
Kaolin application 1, kaolin industrial use Kaolin has become a paper, ceramics, rubber, chemicals, coatings, medicine and national defense, and dozens of other industries essential mineral raw materials. Ceramic industry is the first application of kaolin, a large amount of industry. The general dosage is 30% ~ 20% of the formula. Kaolin in ceramic effect is the introduction of Al2O3, is conducive to the formation of mullite, to improve its chemical stability and strength of sinter, in firing kaolin soil derived from the decomposition of mullite, forming the main frame of the strength of the green compacts, can prevent the products from deformation, firing in a wider temperature range, also can make the green body with certain whiteness. At the same time, kaolin has certain plasticity, adhesive, suspension and ability to bind endowed with porcelain clay, glaze good formability, make ceramic mud blank to billet car and grouting, easy to shape. If used in the wire, can increase the insulation, reduce the dielectric loss. Ceramic not only on kaolin clay plasticity, binding, drying shrinkage, dry strength, sintering shrinkage, sintering properties, refractoriness and burn whiteness have strict requirements, but also relates to the chemical properties, especially the presence of color elements caused by iron, titanium, copper, chromium, manganese and other, to burn after the brightness decreases, produce spots. Of kaolin particle size is smaller, the better, the porcelain clay has good plasticity and dry strength, but the rapid casting, accelerate the grouting speed and the dehydration rate of the casting process, the need to improve the batching particle size. In addition, kaolinite crystallization degree of difference, will also significantly affect the process performance of the porcelain, crystallization degree, plasticity, binding capacity is low, drying shrinkage of small, high sintering temperature, the impurity content also reduced; on the contrary, the plasticity is high, dry shrinkage of large, low sintering temperature, corresponding impurity content is also high. 2, kaolin in the field of cosmetics applications Kaolin is also known as the white porcelain, is a kind of clay mineral, usually white. In beauty, kaolin is usually used on the mask, it can absorb the oil and waste of the skin, clean the skin to remove dirt, and the town of Jingan to ask the fragile skin. The loss of water and nutrients from the mineral supplement in natural mud, balance oil secretion, make the skin more smooth, more flexible.
Black corundum performance Black corundum and low aluminum corundum, blue corundum, is in electric arc furnace, the bauxite made by melting a AL2O3 spinel is given priority to with iron ore phase of the colored crystals, its characteristic is AL2O3 content is lower, and has a certain amount of Fe2O3 (10%), and therefore, moderate hardness and great toughness, self-sharpening, good bonding, high durability, produce less heat when grinding, high temperature resistant, not easy to scratch the surface of the workpiece surface roughness is high. Black corundum and low aluminum corundum, blue corundum, is in electric arc furnace, the bauxite made by melting a AL2O3 spinel is given priority to with iron ore phase of the colored crystals, its characteristic is AL2O3 content is lower, and has a certain amount of Fe2O3 (10%), and therefore, moderate hardness and great toughness, self-sharpening, good bonding, high durability, produce less heat when grinding, high temperature resistant, not easy to scratch the surface of the workpiece surface roughness is high. Hei Gangyu use 1, free grinding, such as metal parts electroplating before the bottom polishing, aluminum products. 2, bicycles, motorcycles, sewing machines, watches and clocks parts. Polished 3, lighting, plastic and hardware tools, and is also suitable for sand (rust, glass flower). 4, material processing, manufacturing resin cutting blade, angle grinding and coated abrasives. 5, black corundum sand granularity and powder is particularly suitable for grinding and polishing stainless steel workpieces and oilstone, grinding paste. 6, black corundum section of sand is the preferred material for non slip road and coal pit storage. Matters needing attention: 1, transport and handling: in the transport process, not drag hook, should prevent mixed with the solid material, strong vibration, friction, hit, hit, forbid throwing should be lightly armed light discharge to reduce black corundum breakage of packing, the impact of the use. 2, storage: should be stored in a cool and dry place, to prevent internal and external packaging bag break, prevent moisture and adsorption of other substances in the air, affect the use effect. It is strictly prohibited to mix with poisonous and harmful gas or volatile matter, and keep away from the source of pollution.
Properties and advantages of white fused alumina 1, does not affect the color of the processed parts; 2, can be prohibited in the process of using iron powder residue to sand blasting; 3, micro powder grade is very suitable for wet sand blasting and polishing operation; 4, fast processing speed, high quality; 5, the amount of iron oxide is extremely low suitable for the sand blasting operation is strictly prohibited; Physical and chemical index Chemical index Physical index Al2O3 More than 95% Knoop hardness 2000-2200Kg/mm2 Fe2O3 Less than or equal to 0.4% Mohs hardness Nine Na2O Less than or equal to 0.22% Bulk density 1.53-1.99g/cm3 SiO2 Less than or equal to 0.04% True density 3.9-4.9g/cm3 White corundum purpose 1, can be used in all kinds of sand blasting and polishing (Lapping) operation; 2, Boli or acrylic crafts aesthetic feeling of atomization processing; 3, the TV screen in the process of blasting; 4, the silicon wafer cutting; 5, tooth mold cleaning sand blasting; 6, precision casting sand; 7, advanced refractories and other ceramic additives. The removal of 8, electronic parts, core flash, eliminate processing White corundum application field White corundum abrasives are suitable for all kinds of high-end product, process or beautify processing, hardware and other products surface after sand blasting surface clean without any impurities, cleaning trouble. Fine white corundum can be used for polishing. White corundum used as additive in various products. White corundum as a solid and coated with abrasive, wet or dry, or spray sand, suitable for crystal, ultra precision grinding and polishing in electronics industry and making high-grade refractory materials, etc. White corundum is suitable for machining hardened steel, alloy steel, high speed steel, high carbon steel hardness is harder, such as tensile strength of the larger materials. White corundum used as touch media, insulator and precision casting sand, etc. White corundum used for iron artifacts to rust, dirt, scale, increasing the coating, coating adhesion; White corundum used in aluminum workpiece to scale, surface strengthening, finishing effect; White jade for the bronze artifacts to skin inferior smooth effect, glass crystal frosted plastic, engraved designs, inferior smooth effect, special fabrics such as denim fluffy effect of processing and design.
Silicon carbide applications 1, abrasive and abrasive: Mainly for the production of grinding wheel, abrasive paper, abrasive, abrasive, grinding, grinding head, grinding paste and photovoltaic products monocrystalline silicon, polycrystalline silicon and electronic industry of piezoelectric crystal aspects such as grinding, polishing etc.. 2, chemical industry: Can be used to make steel and cast iron oxygen agent, can be used as the raw material for the manufacture of four silicon tetrachloride, is the main raw material of the silicon resin industry. SiC deoxidation agent is a new type of strong composite deoxidizing agent, to replace the traditional silicon powder toner for deoxidation, and the original process compared to the physical and chemical performance is more stable, good deoxidizing effect, deoxidizing time relationship, energy conservation, improve the efficiency of steel, improve steel quality, low raw material consumption, reduce environmental pollution, improve working conditions, and the comprehensive economic benefits of improving furnace has an important value. 3, non-ferrous metals:00 Using silicon carbide with high temperature resistance, strength, good thermal conductivity, impact, high temperature indirect heating material, such as firm retort furnace, furnace distillation tray, aluminum electrolytic tank, copper smelting furnace lining, zinc powder furnace with arc plate, thermocouple protection tube. 4, iron and steel: The use of silicon carbide corrosion resistance, thermal shock resistance and wear resistance, good thermal conductivity characteristics, used to improve the service life of large blast furnace lining. 5, building materials ceramic grinding wheel industry: Using the thermal conductivity and thermal radiation, high heat intensity of characteristic, manufacturing sheet kiln furniture, can not only reduce the kiln capacity, but also increase the kiln loading capacity and the quality of the products and shorten the production cycle and is ideal for sintering ceramic glaze baking indirect materials.
Summary Spinel is a rare mineral in nature, and it must be made by artificial synthesis. According to a certain proportion of raw materials, mixing pressing ball molding (to join the right amount of pulp). The characteristics of electric furnace melting temperature, in the smelting process, to maintain the redox state, avoid Fe2O3 FeO oxidation, to prevent the emergence of elemental Fe, after natural cooling of the hercynite sand. The uniform large crystal (95%) with no grain boundary was revealed under the microscope, which was similar to that of the glassy state. After processing into the iron aluminum spinel brick, mainly used in large-scale cement rotary kiln, instead of the current cement kiln used chrome brick, no Cr6+ pollution. Extended lining service life (magnesia chrome brick 10-12 months and hercynite brick 17-18 months), greatly reducing the consumption of refractory material and manpower, reduces the production cost, the full realization of the cement kiln chrome free production, solve the chromium pollution. Fe Al spinel represents a new generation of high performance chrome free refractories for cement rotary kiln. The two main methods for the synthesis of spinel are sintering and electric melting. Most spinel material is made from high purity synthetic alumina and chemical grade magnesium oxide, namely in shaft kiln sintering and fused in arc furnace. Al Mg spinel is a kind of aluminum magnesium oxide, its main component is alumina and Magnesium Oxide. Al Mg spinel has two kinds of natural formation and artificial synthesis. Natural magnesia spinel rarely found industrial applications of magnesium aluminum spinel are all artificial synthesis, the two main methods of synthetic magnesia alumina spinel is sintering and electric melting method. etc. Spinel application Sintered magnesia alumina spinel is used for cement rotary kiln, which not only avoids chromium pollution, but also has good resistance to spalling. Sintered magnesia alumina spinel is used for making ladle pouring material, which can greatly improve the anti erosion ability of steel sheet lining. The preparation of high quality synthetic spinel provides a new raw material for the production of amorphous and amorphous high purity refractory materials. Electric melting magnesium aluminum spinel is manufacturing plate, nozzle brick, open hearth brick material. The high temperature mechanical properties of aluminum and magnesium spinel products are good, which are the basic raw materials of the filter belt, refractory casting material and high. Fused magnesia alumina spinel used in iron and steel smelting and glass industry furnace.
