Application
Spiral tube for heating equipment.
Product Feature
A kind of transparent quartz glass material, high purity, high temperature resistant and corrosion, thermal stability and mechanical properties in the visible region (400-750 nm) of high transmittance (typical transmission rate was 92%). Strict dimensional tolerance and excellent appearance make the bulb have good shape.
Product Type
PQ181, Standard transparent quartz tube
Typical Size (Unit:mm)
OD Range | OD Tolerance | Thickness | WT Tolerance | Out of Round | Siding | Bow |
3＜Ф≤10 | ±0.1 | 1～2.0 | ±15% | 2% | 12% | 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 |
Remark: The figures above only indicate typical values, excluding doped elements.
3) OH Content (Unit:ppm)
Typical Value without Baking | After baking |
160 | ＜5, ＜10, ＜15 , ＜20 |
4) Optical Properties
Our Main Product
Main Application
Company Advantage
● Doctor-post work station and top quartz inspection lab;
● Self innovated production process and equipment;
● Own of important National patents and core technologies;
● Purity of SiO2 can reach to 99.995-99.999%;
● Applied into lighting, solar, optics, optical fiber, semiconductor and etc;
● Cutting edge of melting technology;
● World famous quartz glass supplier;
CNAS Certified Laboratory
Production Main Facilities
FAQ
Q1. Are you trading company or manufacturer ?
A: We are china final quartz manufacturer about 25 years,
Q2. How long is your delivery time?
A: Generally it is 5-7 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q3. Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do pay the cost of freight.
Q4. What is your terms of payment ?
A: Payment<=1000USD, 100% T/T in advance ,balance before shippment. If you have another question, pls feel free to contact us as below:
Customers Visiting & Exhibition Moment
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