Application
Semiconductor grade quartz tube is widely used in the oxidation and diffusion process in semiconductor wafer manufacturing.
Characteristics
Semiconductor grade quartz tube features high purity, low hydroxyl and high temperature resistance, etc.
Code
PQ181E, PQ181EH, PQ181E-R, PQ181EH-R
Specifications
| OD Range(mm) | 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% |
Physicochemical 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
●Purity of SiO2 can reach to 99.995-99.999%;
●World leading production process and equipment;
●Customer-oriented thoughts;
●Applied into lighting, solar, optics, optical fiber, semiconductor and etc;
●Cutting edge of melting technology;
●World famous brand;
CNAS Certified Laboratory
Production Main Facilities
FAQ
Q1.Where is your factory located?
A: In Lianyungang,Jiangus, China.
Q2.When wasyour factory established?
A: Since 1992
Q3. What is your main market?
A: Europe, The North America, South America, Australia, The middle east, and etc.
Q4. How many workers in your factory?
A:About 1000 workers.
Q5. Can you give me a discount?
A: Discount is available,but we have to see the real quantity,we have different price based on different quantity,how much discounts is determined by the quantity,moreover,our price is very competitive in the field
Q6. Is it OK to print my logo on Quartz product?
A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.
Q7. Do you offer guarantee for the products?
A: Yes, we offer 1 years warranty to our products.
Q8. Can l visit your factory?
A: By all means, we warmly welcome your arrival, Before you take off from your country, please let us know. We will show you the way and arrange time to pick you up if possible.
Customers Visiting & Exhibition Moment
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