Application
Solar grade quartz tube is widely used in the different processes of silicon and solar cell production, such as mono-crystal ingot growth, silicon feeding, diffusion, coating and etching, etc.
Characteristics
This solar grade quartz tube, manufactured by electrical continuous fusion method with high purity quartz sand, has the characteristics of high purity up to 99.995% and excellent resistance of high temperature.
Code
PQ181S, PQ181S-R
Specifications
OD Range | OD Tolerance | WT Tolerance | Sliding | Ovality | Bow |
OD＜100.00 | ±1.00 | ±10.00% | 20.00% | 1.00% | 0.10% |
100.00≤OD＜200.00 | ±1.00 | ±10.00% | 20.00% | 1.00% | 0.10% |
200.00≤OD＜300.00 | ±1.00 | ±10.00% | 20.00% | 1.00% | 0.10% |
300.00≤OD＜400.00 | ±1.00 | ±10.00% | 20.00% | 1.00% | 0.10% |
400.00≤OD＜500.00 | ±1.00 | ±10.00% | 20.00% | 1.00% | 0.10% |
500.00≤OD＜900.00 | ±2.00 | ±10.00% | 20.00% | 1.00% | 0.10% |
Physicochemical Properties
1) Trace Elements (Unit：ppm)
Code | Criteria | Al | Ca | Cr | Cu | Fe | K | Li | Mg | Mn | Na | Ti | Zr |
PQ181S, PQ181S-R | Typical | 16.2 | 1 | <0.05 | <0.05 | 0.5 | 1.2 | 0.9 | 0.2 | <0.05 | 1.1 | 1.5 | 1 |
Maximum | 25 | 1.5 | 0.1 | 0.1 | 1 | 1.5 | 1.5 | 0.2 | 0.2 | 2 | 4 | 2 |
Note: PE181E-R/PQ181EH-R is semiconductor grade resized tube
2) OH Content
PQ181S | OH＜10ppm | PQ181S-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?
A: Yes.
Q2. Sample is free or not ?
A: Free is ok ,but it is only the small cost .When cost is high ,you will afford it ,sample cost and shipping cost.
Q3. How long will I get the sample ?
A: Sample is in stock ,it takes 3days .OEM or ODM ones ,it should take 10days.
Q4. What's your delivery time?
A: It depends on the quantity you orde.
Customers Visiting & Exhibition Moment
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