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1. The milk-white (pearl-white) quartz glass tube can be manufactured into different shape as circle, pear, u and so on.

2. Normal quartz heating tube

Never be eroded, good insulating ability, safely used, fast falling of temperature, save energy. Used in sterilizing dresser, microwave oven, drinking fountain and some other home appliances.

3. Far infrared halogen lamps:

Our halogen lamps are all made by ourselves including tungsten filament- twisting and shell producing. The output is up to 3000-5000pcs/month. They are mainly used in room heating and industrial baking.

The using life is over 5000 hours with good appearance and high quality. They can be manufactured into different shape as straight, round, circle, u and so on. All the products are made with fine tungsten filament as heating element, different quartz glass tube (transparent, uv, colored, milk-white) as shell, and filled halogen-tungsten gas to prolong the life.

1. Transparent quartz glass tube

Smooth, colorless and transparent, high purity íí(sio2í¦99.99%), corrosion-resistant (expect hydrofluoric acid), high temperature-resistant (intenerating point 1730íµ), good thermal-stability, good light-penetrability (over 93% of visible light), crystal capability(6 hour under the temperature 1400í+5íµ,crystal thickness is less than 100 micron), good insulating-ability, long-life and non-contaminative. Mainly used in protection of heaters, production of halogen tube, lamps.

2. Desoxy transparent quartz tube

Nice appearance, good thermal property and mechanical strength, strict tolerance and low hydro-(í_5ppm).Used in mercury lamp, metal halite and other quartz lamps.

3. Non-ozone transparent quartz tube

It can prevent high-density ultraviolet radiation by being added titanium-oxide with colorless surface and light-purple section. It can almost prevent ultraviolet radiation no more than 220nm, while penetrates over 83% of 253.7nm, which have strong bactericidal ability. So ití»s called "bactericidal" and "non-ozone" quartz. It is widely used in bactericidal lamp, treatment of water and so on.

4. Uv-filtering transparent quartz tube

It has colorless or light-blue surface and light-purple section. Besides common property, it can filter ultraviolet radiation of 190-320nm to prevent harm to bodies. It can be used in most kinds of environmental lighting products.

Dark-red and golden quartz tube is a new kind of quartz material. Compared with common transparent quartz, it can absorb uv and most visible light and translate into infrared radiation. Compared with milk-white quartz, it can penetrate infrared radiation, which can load several times of energy per area. Compared with coated quartz, it is low-cost and high-stability. So it is an excellent material for producing infrared heater. Ití»s suitable for high-power and small-volume infrared heating products.

Introduction:

The dual-tank cloud chamber can simulate key processes in natural cloud formation and precipitation, including the formation of supercooled water in clouds and the Bergeron Process under various natural conditions. It helps study hot issues of social concern such as clouds, precipitation, and atmospheric conditions (including smog, visibility, frost, freezing rain, etc.), and conduct targeted weather modification experiments.

Parameters:

1) Tank dimensions: m 11m (customizable)
2) Temperature range: -40C to 25C, accuracy ±0.2C
3) Pressure control range: 1 Pa to 0.12 MPa (A)
4) Liquid water content (LWC): 0.2â??3 g/m�³, accuracy ±20% (FS)
5) Mean volumetric diameter (MVD) of cloud and fog particles: 10-50 m, accuracy ±20% (FS)
6) Fog generation methods: High-pressure fogging, ultrasonic fogging, air-water mixture fogging, adiabatic expansion fogging, and steam fogging.
7) 3D digital simulation: The system incorporates 3D digital simulation, combining simulation calculations with cloud and fog experiments.
(All parameters above can be customized to meet specific user requirements.)

Introduction:

The vehicle environmental simulation test chamber can simulate conditions encountered by vehicles during actual operation, such as rain, snow, sunlight, and driving speed.

Parameters:

1) Temperature range: -45C to 65C, control accuracy ±1C
2) Cooling rate: 25C to -45C - 3 hours (no load)
3) Heating rate: 25C to 65C 1 hour (no load)
4) High-temperature environment: temperature 35C to 65C, humidity 60%RH to 80%RH
5) Driving wind velocity: Adjustable from 0 to 120Km/h (i.e., the wind velocity at 30cm from the fan outlet, and the driving wind test is conducted when the chamber temperature is above -15).
6) Rainfall: 0-50 mm/h
7) Snowfall: 0-10 mm/h
8) Light intensity: 0-1200 W/m
9) Pressure range: The test chamber maintains a slight positive pressure (0-50 Pa).
(All parameters above can be customized to meet specific user requirements.)

Introduction:
Ã?When developing high-precision weapons such as "modern weaponry and equipment," it is essential to adapt to various special environments. Dry sand and dust conditions exert a significant impact on the structural integrity and performance characteristics of equipment materials. Sand and dust testing is primarily used to evaluate the adaptability of equipment that may be exposed to dry sand and dust blowing conditions.

Parameters:

1) Ambient temperature control: 30C to 60C
2) Environmental humidity control: 30% RH
3) Sand blowing velocity: 18-29 m/s
4) Dust blowing velocity: 8.9 m/s
5) Sand blowing concentration: 0.18-2.7 g/m³
6) Dust blowing concentration: 0.18 g/m³
(All parameters above can be customized to meet specific user requirements.)

Introduction:

Various haze environments can be simulated to explore the formation of haze and its impact on the environment. The test chamber can simultaneously control environmental conditions such as concentration, temperature, humidity, and light intensity within the simulated haze environment, while regulating the composition of various PM2.5 particles. The lab can simulate the formation of conventional fog, including various types of artificial fog, as well as naturally formed radiation fog. The test chamber can further simulate the simultaneous formation of haze and aerosol, or simulate aerosol formation independently.

Parameters:

1) Temperature range: -15C to 40C;
2. Temperature control accuracy: ±1
3) Humidity: 40%95% RH (-15C to 40C);
4) Humidity control accuracy: ±5% RH;
5) Suspended fog test: By using water vapor atomized by ultrasonic waves and combining it with an aerosol generation device, tiny fogdrops can be formed in the test chamber to simulate fog and haze in the natural environment.
(All parameters above can be customized to meet specific user requirements.)

Introduction:

When aircraft operate within the Earth's atmosphere, they are subject to the influence of various natural climatic conditions within the atmosphere. The climate environment significantly impacts the physical, chemical, mechanical, and electrical properties of raw materials, components, and electromechanical products. During aircraft research, reliability testing under high-altitude climatic conditions must be conducted to ensure the safe and dependable operation of weaponry.

Functions:

1) Temperature and humidity control: Designed to withstand the extreme temperature conditions encountered by aircraft operating within the atmosphere.
2) Pressure control: The altitude variations experienced by aircraft during flight.
3) Solar radiation: The effects of solar radiation experienced by aircraft during flight on materials and personnel.
4) Cloudy and foggy weather: The effects of varying visibility conditions experienced by aircraft during flight.

Parameters:

1) Temperature range: -70C to 70C, uniformity: ±2C
2) Flight altitude: 0-30,000 m; altitude change: 10 m/s
3) Air pressure variation: 101 kPa to 2 kPa, control accuracy 5%
4) Solar radiation: Full spectrum 1353 W/m², irradiance tolerance: ±5 W/m²
 Infrared: wavelength range 0.4-0.78 ¼m, irradiance: 638 W/m², irradiance tolerance: ±10 W/m²
Ultraviolet: wavelength range 0.28-0.4 m, irradiance: 63 W/m², irradiance tolerance: ±25 W/m²
5) Cloudy and foggy environments: visibility 10m to 50,000m, error: 1,500m ±10%, >1,500m ±20%
6) Coupled conditions: temperature + atmospheric pressure; temperature + atmospheric pressure + solar radiation
(All parameters above can be customized to meet specific user requirements.)

Functions:

1) The equipment environmental simulation lab can offer targeted environmental reproductions based on actual testing requirements, enabling experiments to proceed regardless of season, time of day, availability, or location. It can simulate harsh and extreme environments at any time, making it widely used.
2) The equipment environmental simulation lab can conduct environmental tests at the material level, product level, complete machine level, system level, and even "human + machine" combination level, to study and assess the environmental adaptability and reliability of humans and equipment.
3) The equipment environmental simulation lab mainly reproduces various natural environments, including temperature and humidity, wind, rainfall, snowfall, icing, solar radiation, fog, salt spray, ultraviolet radiation, infrared radiation, high and low oxygen levels, high and low pressure, and other natural conditions.
4) The equipment environmental simulation lab can conduct comprehensive simulations ranging from single-parameter to multi-parameter coupling and from static to dynamic.
5) The equipment environmental simulation lab can conduct various equipment performance tests according to standard requirements, providing a basis for the type approval of some equipment or facilities, and also offering experimental data for equipment and product research and development.

Parameters:
1) Size: 300-1000m;
2) Temperature: -40C to 40C;
3) Humidity: 30-90% RH;
4) Wind velocity: 0-12 m/s;
5) Rainfall intensity: 0-30 mm/h, adjustable;
6) Snowfall intensity: 0-5 mm/h, adjustable;
7) Icing intensity: 0-2 mm/h, adjustable;
8) Solar radiation: 0-1200 W/m², adjustable;
9) Fog generation: Visibility 10m 30km, the space filled within half an hour;
10) Salt spray: Deposition rate 0-3 ml/80 cm;
11) Ultraviolet radiation: 0-64 W/m;
12) High and low oxygen levels: 5-30%;
13) High and low pressure: 50 kPa to atmospheric pressure
(All parameters above can be customized to meet specific user requirements.)

Introduction:

This experimental apparatus has been developed to meet the needs of aerospace and military equipment. The high-altitude adaptability test and performance evaluation experiment for electromechanical equipment can be conducted. In medicine, it can be applied to high-altitude physiology, high-altitude athletic training, and clinical disease treatment.
 
Parameters:

1) Simulated altitude range: 100m to 30,000m
2) Temperature range: -60C to +85C
3) Humidity range: 10% to 95% RH
4) Atmospheric pressure range: 1 kPa to 100 kPa
5) Oxygen supply range: flow rate 350 L/min, pressure: 0-0.6 MPa
(All parameters above can be customized to meet specific user requirements.)

Introduction:

This experimental apparatus has been developed to meet the needs of aerospace and equipment. The high-altitude adaptability test and performance evaluation experiment for electromechanical equipment can be conducted. In medicine, it can be applied to high-altitude physiology, high-altitude athletic training, and clinical disease treatment. Its primary characteristics are low temperature, low atmospheric pressure, oxygen deficiency, and high ultraviolet radiation.

Parameters:

1) Simulated altitude range: 100m to 20,000m
2) Temperature range: -60C to +85C
3) Temperature accuracy: ±0.5C
4) Humidity range: 10%-95% RH
5) Humidity accuracy: ±5% RH
6) Atmospheric pressure range: 100 kPa to 1 kPa
(All parameters above can be customized to meet specific user requirements.)

Introduction:

Evaluate the adaptability of electrical, electronic, mechanical products, or materials to temperature cycling changes, as well as their suitability for storage and use under high-temperature or low temperature environmental conditions. Widely used in aerospace products, information electronics, instrumentation, materials, electrical engineering, and electronics industries.
 
Parameters:

1) Dimensions: 6m- 5m 4.6m (L W H) (customizable)
2) Temperature control: -40C to 30C, control stability ±0.8C, uniformity ±2.2C, measurement accuracy: ±0.5C
3) Humidity control: 30% to >95% RH, uniformity �±10% RH
4) Snowfall Control: 0-10 mm/h, covering the entire test chamber
5) Rainfall control: 0-40 mm/h, vertically downward direction
6) Airflow control: 0-5 m/s, airflow uniformity ±0.5 m/s
(All parameters above can be customized to meet specific user requirements.)

Office furniture.

1. ceramic fiber blanket : Density (Kg/m3) : 64 . 96 .128
2. Temperature (degree C ) : 1260 1430 1600
3. Thickness (mm) : 13 25 . 50
4.Width (mm) : 610 . 1220
5. Length : 7200 . 7300. 1440 1520

ceramic fiber textiles : Temperature ( degree C) : 1260 Reinforced material : glass fiber . stainless steel wire Type: ceramic fiber yarn . ceramic fiber tape . ceramic fiber rope . ceramic fiber cloth Other thermal insulation products or special requirment will be supplied

Wood doors.

* Dimension: 600 (width) *600 (depth) * 800(height) mm
* Thickness: columns-1.8/others-0.8mm
* IP20
* Fans on the top
* 2*trays
* Removable side panels with latches
* Mesh or toughened glass for the front and back doors with locks
* Color:black-RAL9004

Bifacial with dual glass
Power: 405Wp
Color: Full black
Cell Type: Mono 182x182mm Half-cut
Number of Cells: 108pcs (2x(6x9))
Dimension(L*W*H): 1722*1134*30mm
Weight: 24.5kg
Frame: Anodized Aluminum Alloy
Junction Box: IP68
Cable, Length: 4mm2/300mm (length can be customized)
Packing: 36PCS/Pallet, 936PCS/40'HQ

Slow Strain Stress Rate Testing
What is Slow Strain Rate Testing (SSRT)?
Slow strain rate testing (SSRT) is a specialized method used to evaluate the corrosion behavior of materials, primarily metals. In this test, a specimen is subjected to elongation at a controlled, constant rate while exposed to specific environmental factors such as corrosive fluids or elevated temperatures. SSRT is also commonly referred to as� constant extension rate tensile (CERT) testing.
Understanding SSRT with UnitedTest
Slow strain rate testing� provides valuable insights into how materials respond to stress corrosion cracking (SCC) or fracture under particular environmental conditions. The test's accuracy depends on selecting an appropriate strain rate, as rates that are too high or too low may fail to reveal a materialâ??s true susceptibility to cracking.
While a standard strain rate is often applied for testing in different environments, the absence of cracking at that rate does not guarantee immunity. In some cases, SCC susceptibility becomes evident only at higher strain rates. The critical strain rate is defined as the rate at which stress corrosion cracking occurs most rapidly in a given environment. Established standard values exist for critical strain rates for metals such as:
�·� � Stainless steel in chloride or high-temperature water
�·� � Copper and magnesium alloys in nitrite solutions
�·� � Other alloys in specific corrosive environments
Overall, SSRT is an essential tool for mechanistic studies and for assessing the SCC susceptibility of various alloys, making it highly valuable in research and industrial applications.
More: https://www.unitedtest.com/products/

Pack-off formation, well cementing.

Non-magnetic drill collars are manufactured according to API Spec 7-1 with the special material of alloy steel with the chemical composition of low carbon, high chromium and high manganese. We can supply slick drill collars, spiral drill collars and non-magnetic drill collars, Besides the drill collars in the table below, we can supply other drill collars at customers' request.