Application
Quartz Welding Rod, Automotive light bridge rod，Quartz device materials, etc.
Product Features
High chemical purity and high temperature resistance, low coefficient of thermal expansion, strict tolerances, minimal appearance bubbles and gas lines.
Product Type
PQ191 ,Standard transparent quartz rod
Typical Size (Unit：mm)
OD Range | OD Tolerance | Out of Round | Bow |
2＜Ф≤10 | ±0.15 | 0.10% | 0.15% |
10＜Ф≤20 | ±0.20 | 1.25% | 0.15% |
20＜Ф≤50 | ±0.35 | 1.25% | 0.15% |
50＜Ф≤80 | ±0.60 | 1.25% | 0.15% |
80＜Ф≤100 | ±0.80 | 1.25% | 0.15% |
Remark:Customized size is available
Physical & Chemical Properties
1) Mechanical & Thermal Properties
Density （20℃kg/m3） | Thermal Expansion （200-300℃℃-1） | Softening Point（℃） | Annealing Point （℃） | Strain Point （℃） |
2.2*103 | 5.6*10-7 | 1670 | 1210 | 1110 |
2) Impurity Value (Unit: ppm)
Impurity | Na | K | Mg | Li | Ca | Fe | Al | Ti | Cu |
Typical value | 5.0 | 5.0 | 1.0 | 1.0 | 3.0 | 1.5 | 20 | 3.0 | 0.5 |
3) OH Content (Unit: ppm)
Typical Value without Baking | After baking |
160 | ＜5, ＜10, ＜15 , ＜20 |
Our Main Product
Main Application
Company Advantage
●Purity of SiO2 can reach to 99.995-99.999%;
●World leading production process and equipment;
●Cutting edge of melting technology;
●World famous quartz brand;
CNAS Certified Laboratory
Production Main Facilities
FAQ
Q1. How many workers in your company?
A: Around 1000 people.
Q2. What is your main product?
A: Our Main Product is quartz tube, quartz rod, plate, ingot,fire and cold processed quartz.
Q3. Have you passed ISO9001 and ISO4001?
A: Yes, we have been certified.
Customers Visiting & Exhibition Moment
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