Gas-Refined Quartz Glass HP3002
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Gas-Refined Quartz Glass HP3002
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Our company manufactures gas‑refined quartz glass, which corresponds to the Chinese quartz glass grade KS—formerly known as JGS2. Transparent quartz ingots are produced by melting high‑purity quartz sand in a hydrogen–oxygen flame; these ingots are then hot‑formed into larger‑sized, more uniformly structured quartz billets and slabs, which are further processed into quartz wafers, flanges, and related components. Additionally, through a drawing process, we can produce quartz tubes and rods. This material is characterized by a low thermal expansion coefficient, excellent thermal stability, superior physical and mechanical properties, and low residual stress.
It is primarily used for large and medium-sized reflectors, windows, semiconductor quartz components, and auxiliary materials in the manufacture of optical fibers, among other applications, in harsh environments.
Metallic impurities and hydroxyl content (ppm)
Model number |
Al |
Fe |
This |
Magnesium |
You |
Cu |
Mn |
Ni |
Co |
B |
K |
Na |
Li |
OH |
HP3002A |
8.5 |
0.2 |
0.6 |
0.05 | 0.15 | 0.05 | 0.08 | 0.05 | 0.01 | 0.05 | 0.1 | 0.08 | 0.2 | Approximately 200 |
HP3002B |
11.5 | 0.03 |
0.45 | 0.02 | 0.5 | 0.04 | 0.02 | 0.03 | 0.03 | 0.02 | 0.49 | 1.25 | 0.59 | Approximately 200 |
HP3002C |
16.43 | 0.45 |
0.59 | 0.05 | 0.55 | 0.05 | 0.03 | 0.04 | 0.03 | 0.01 | 0.68 | 1.45 | 0.74 | Approximately 200 |
Physical and mechanical properties |
|
Density |
2.21 g/cm 3 |
Mohs hardness |
5.8 |
Tensile strength |
49 N/mm 2 |
Compressive strength |
1100 N/mm 2 |
Coefficient of thermal expansion (20°C–300°C) |
5.5x10-7 /°C |
Thermal conductivity (20°C) |
1.4 W/m℃ |
Specific heat (20°C) |
680 J/kg℃ |
Transmittance curve T10mm
The Relationship Between Feature Points, Viscosity, and Temperature
| Feature point | Viscosity (lgη, poise) |
Temperature (°C) |
Yield point |
14.5 |
1025±25 |
Annealing point |
13 |
1120±25 |
Softening point |
7.6 |
1600±40 |
Product Specifications
| Category | Dimensions (mm) |
Wafer |
Ø2000×300 |
Diamonds |
2000×2000×300 |
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Address: No. 6-7, Section 2, Heilongjiang Street, Binhai New Area, Jinzhou City, Liaoning Province
Telephone: +86 416-7908039
Website: www.jzhpquartz.cn