Application
Solar grade process quartz tube is widely used in the oxidation and diffusion process in solar wafer manufacturing.
Product Feature
Solar grade process quartz tube features high purity, low hydroxyl and high temperature resistance, etc.
Product Type
PQ181S , PQ181S-R
Typical Size
OD Range | OD Tolerance | WT Tolerance | Sliding | Ovality | Bow |
OD＜100.00 | ±1.00 | ±10.00% | 15.00% | 1.00% | 0.10% |
100.00≤OD＜200.00 | ±1.00 | ±10.00% | 15.00% | 1.00% | 0.10% |
200.00≤OD＜300.00 | ±1.00 | ±10.00% | 15.00% | 1.00% | 0.10% |
300.00≤OD＜400.00 | ±1.00 | ±10.00% | 15.00% | 1.00% | 0.10% |
400.00≤OD＜500.00 | ±1.00 | ±10.00% | 15.00% | 1.00% | 0.10% |
500.00≤OD＜900.00 | ±2.00 | ±10.00% | 15.00% | 1.00% | 0.10% |
Physical & Chemical Properties
1) Trace Elements (Unit：ppm)
Code | Criteria | Al | Ca | Cr | Cu | Fe | K | Li | Mg | Mn | Na | Ti | Zr |
PQ181E | Typical | 13 | 0.5 | <0.05 | <0.05 | 0.1 | 0.1 | 0.3 | 0.05 | 0.05 | 0.1 | 1.3 | 1 |
Maximum | 19 | 1 | 0.1 | 0.1 | 0.5 | 1 | 1 | 0.2 | 0.2 | 1 | 2 | 2 | |
PQ181EH | Typical | 8 | 0.6 | <0.05 | <0.01 | 0.1 | 0.1 | 0.2 | 0.05 | 0.05 | 0.1 | 1.3 | 1 |
Maximum | 10 | 1 | 0.1 | <0.01 | 0.5 | 0.5 | 0.5 | 0.2 | 0.2 | 0.5 | 2 | 2 |
Note: PQ181E-R/PQ181EH-R is semiconductor grade resized tube.
2) OH Content
PQ181E/ PQ181EH | OH＜10ppm | PQ181E-R/ PQ181EH-R | OH＜30ppm |
3) Physical Properties
Item | Index Value |
Density（g/cm3） | 2.2 |
Heat Conductivity（w/m·k，1000℃） | 2.28 |
Coefficient of Thermal Expansion（℃-1，1000℃） | 5.5×10-7 |
Softening Point（℃） | 1670 |
Annealing Point（℃） | 1210 |
Strain Point（℃） | 1110 |
4) Coefficient of Thermal Expansion & Viscosity
Our Main Product
Main Application
Company Advantage
● Doctor-post work station and top quartz inspection lab;
● Self-innovated production process and equipment;
● Own 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 melting technology;
● World famous quartz glass supplier;
CNAS Certified Laboratory
Main Production Facilities
FAQ
Q1. Are you a factory or trading company?
A: We are a professional quartz product factory.
Q2. Where is your factory located? How can I visit there?
A: Our factory is located in Lianyungang, China, about 2hours by air from Shanghai.
Q3. What is the material of your products?
A: The material is quartz, SiO2 99.99%
Q4. Does your company support "Trade Assurance"?
A: Yes.
Q5. What is the payment term?
A: We accept T/T
Q6. How about the delivery time?
A: 4 working day after payment received.
Customers Visiting & Exhibition Moment
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