Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO42H2O.[3] It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, blackboard/sidewalk chalk, and drywall.
Bamboo incense stick , bamboo stick agarbatti, indian bamboo stick , agarbatti , incense agarbatti , school chalk , regular blackboard chalk , gypsum chalk, blackboard duster , dustless chalk.
Pigments are essentially coloured powders or Liquid, and are used to produce a full range of colours. We can say pigments are a primary material, to produce all types of paints and colouring material, Enamels, acrylics, pastels, chalks, Coloured pencils, oils textile prints , Inks, Rubbers, Plastics etc.
Chalk, Hagoromo Chalk, Chalk Set, Blackboard Eraser.Transportation
Non Dust Colored Chalk for Blackboard/ Greenboard Packing: 10 Chalks in 4 color printed Box of Duplex paper 10 Box of 10pcs in 4 color printed Bigger Box 24 Bigger Boxes in 5ply corugated Carton Chalk Size: 78mmx10mm White Chalks are also available. Above mentioned price is of 10pcs of Colored Chalk
Non Dust White Chalk for Blackboard/ Greenboard Packing: 10 Chalks in 4 color printed Box of Duplex paper 10 Box of 10pcs in 4 color printed Bigger Box 24 Bigger Boxes in 5ply corugated Carton Chalk Size: 78mmx10mm Colorful Chalks are also available. Above mentioned price is of 10pcs of Chalk.
2-Naphthol Basic information Chemical Properties Application Preparation Product Name: 2-Naphthol Synonyms: c.i.37500;c.i.azoiccouplingcomponent1;c.i.developer5;Developer A;Developer AMS;Developer BN;developera;developerams CAS: 135-19-3 MF: C10H8O MW: 144.17 EINECS: 205-182-7 Product Categories: Fluorescent;Naphthalene;pigments;alcohol;MICROCIDIN;Color Former & Related Compounds;Developer;Functional Materials;Intermediates;Aromatic Compounds;Alphabetical;Bioactive Small Molecules;Biochemicals and Reagents;Building Blocks;C9 to C20+;Cell Biology;Chemical Synthesis;Fluorescent Indicators and Probes;Fluorescent Probes;Labels;N;Organic Building Blocks;Oxygen Compounds;Particles and Stains;pH Sensitive Probes and Indicators;Phenols;Dyestuff Intermediates;Aromatics Mol File: 135-19-3.mol 2-Naphthol Chemical Properties Melting point 120-122 C(lit.) Boiling point 285-286 C(lit.) density 1,28 g/cm3 vapor density 4.97 (vs air) vapor pressure 10 mm Hg ( 145.5 C) refractive index 1.5762 (estimate) Fp 153 C storage temp. Refrigerator solubility methanol: soluble1g/10 mL, clear, colorless to light yellow pka 9.51(at 25C) form Powder, Crystals or Granules color White PH Range Non& uorescence (8.5) to blue & uorescence (9.5) Water Solubility 1 g/L (20 C) �»max 226nm, 265nm, 275nm, 286nm, 320nm, 331nm Merck 14,6384 BRN 742134 Stability: Stable. Combustible. Dust may form explosive mixture with air. Incompatible with strong oxidizing agents, phenol. Major Application Display device, semiconductors, photoimaging materials, inks, toner, chalk, security paper, molding materials, tin plating method, rubber, adhesive, leather, detergent, hair dyes, antimitotic drug, anticancer agent, antiinflammatory agent, treatment of acne vulgaris (pimples) and other dermal ailments (rashes, scratches, blemishes, hair loss), disorders InChIKey JWAZRIHNYRIHIV-UHFFFAOYSA-N CAS DataBase Reference 135-19-3(CAS DataBase Reference) NIST Chemistry Reference 2-Naphthalenol(135-19-3) EPA Substance Registry System 2-Naphthalenol (135-19-3) Safety Information Hazard Codes Xn,N Risk Statements 20/22-50 Safety Statements 24/25-61 RIDADR UN 3077 9/PG 3 WGK Germany 2 RTECS QL2975000 F 8 Autoignition Temperature 430 C TSCA Yes HazardClass 9 PackingGroup III HS Code 29071590 Hazardous Substances Data 135-19-3(Hazardous Substances Data) Toxicity LD50 orally in Rabbit: 1960 mg/kg LD50 dermal Rabbit > 10000 mg/kg 2-Naphthol Usage And Synthesis 2-Naphthol Preparation Products And Raw materials
Mining products: including metals, coal, bauxite ores, oil shale, gemstones, limestone, chalk, dimension stone, rock salt, potash, gravel, and clay..
Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO. 4· 2H2O. It can be used as a fertilizer, is the main constituent in many forms of plaster and in blackboard chalk, and is widely mined.
Blackboard For school & office use
Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O. It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, blackboard chalk and wallboard Origins: Egypt,iran,ethiopia, bangladesh, oman,india
Item No.16593496 5 Color Packing : 9*9*7.5cm Product : 7.5*8cm 100 Pcs/box
Writing chalk Size:9.5*9.0*80mm 10*8*76mm Package:100pcs/50pcs/12pcs/3pcs/1pcs etc OEM pakcage can accept
Chalk
Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4.2H2O. It is widely mined and is used as a fertilizer, and as the main constituent in many forms of plaster, blackboard chalk and wallboard. GS can Supply and Export Raw material of Gypsum, in several forms Lumps or Powder as the required Micron size with high quality of and purity (94% CaSO4), where it is used for many applications and many industries, and by any quantities, packages and sizes
Specifications Products : Ground Calcium Carbonate Use ; Industrial Use Color : White Form : Powder Packing Type : Plastic Bags Packing Size : 50kgs Purity : 90-99% Whiteness : 88 - 96% Ground Calcium Carbonate Calcium Carbonate is composed of the crystalline mineral, calcite, which occurs naturally in the form of chalk, marble, dolomite or lime stone. Chalk is formed by shells of Nanofossils that is a fine micro crystalline material. Other forms of calcite are also of biogenic origin but more compacted than chalk. Marble deposits are limestone changed by crystallization under conditions of extreme heat and pressure. In some cases, is process yields pure marble of exceptional whiteness. Good quality marble and dolomite deposits are available in the state of Rajasthan (India). High quality stones are manually selected at the mines and after its purity tests, these are sent to the processing centre. During the process the stones are washed to remove impurities. These stones are crushed and grinded as per the customers' requirement. The powder is further processed to micronize varying micron size up to 5 microns top cut. After micronizing it is subject to a process of unique surface coating with fatty acids or suitable coupling agents. The coated products become hydrophobic which increase the compatibility with polymers and other organic based Additives. The processing techniques at PEEKAY MINERALS ensures consistent quality, control of top-cut and average particle size and freedom from impurities at pocket friendly costs. On demand at PKM coated Ground Calcium Carbonate is made available. Coating with Stearic acid or Titanates coupling agent is being carried as per choice of end users. Application: Paints & Powder coatings Paper & Boards Printing Inks PP, LLDPE and LDP compounds PVC master batches and compound Features: Free from impurities Less Reactive Good dispersion Unique particle size Improved brightness and opacity Good Mechanical and flow properties
SV Classic King size Cones have revolutionized the smoking industry Thats no exaggeration theyre as easy as it gets our precisioncrafted prerolled cones are made from the same truly naturally unbleached paper as Iroll Classic Papers and are ready to be easily filled We are proud to say that SV Rolling Papers have no added chalk or dyes SV paper is made from natural plants with zero burn additives Color WhiteBrownBlue Size 10984MM KingMediumSmall OEM Yes Origin India MOQ 1 240ft HQ Container
Known today as crystal sugar, ICUMSA 100/150 are widely used in large-scale baking and in the production of drinks and food. Formed by the crystallization process, without chemical refining, crystal sugar serves as a lower cost substitute in relation to Icumsa 45 sugar, known as traditional white sugar, even more because it contains less chemicals in its composition. Crystal sugar undergoes a clarification process, using sulphitation and chalk. It consists of fine, regular crystals, with high brightness and 99.5% purity, widely used in the production of carbonated drinks, liqueurs, juices, ice cream and sweets in general. MOQ 25,000MT Supplied from Brazil
Magnesium carbonate, with the chemical formula MgCO3, is a white, odorless, and tasteless solid that occurs naturally in various minerals like magnesite and dolomite. It is commonly used in diverse applications, notably as an antacid and drying agent in the pharmaceutical and cosmetic industries. In antacids, magnesium carbonate helps alleviate heartburn and indigestion by neutralizing excess stomach acid. It also finds use in sports chalk and as a drying agent for hands in gymnastics, weightlifting, and rock climbing to enhance grip. Additionally, magnesium carbonate has industrial applications as a flame retardant and filler in plastics, rubber, and ceramics. Its versatility and safety in various contexts make magnesium carbonate a valuable compound with multiple practical uses.
Calcium carbonate is a white, odorless, and tasteless chemical compound with the formula CaCO3, widely recognized for its versatile applications in various industries. It is a key component of natural substances like limestone, chalk, and marble. In the industrial realm, calcium carbonate is used as a filler in the production of plastics, paints, and coatings, where it enhances product strength and opacity. It is also an essential ingredient in the paper and pulp industry for improving paper whiteness and smoothness. In agriculture, calcium carbonate is employed to amend soil pH and provide calcium to plants. Furthermore, it is a common dietary supplement for calcium enrichment and antacid medications to alleviate heartburn and indigestion. The diverse utility of calcium carbonate highlights its significance in both industrial and consumer sectors.
