Application
Semiconductor grade quartz tube is widely used in the oxidation and diffusion process in semiconductor wafer manufacturing.
Product Feature
Semiconductor grade quartz tube features high purity, low hydroxyl and high temperature resistance, etc.
Product Type
PQ181E, PQ181EH, PQ181E-R, PQ181EH-R
Typical Size
OD Range (mm) | OD Tolerance | WT Tolerance | Sliding | Ovality | Bow |
300.00≤OD＜400.00 | ±1.00 | ±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
CNAS Certified Laboratory
Production Main Facilities
FAQ
Q1. Can I have a sample order for quartz products?
A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
Q2. What about the lead time?
A:Sample needs 3-5 days, mass production time needs 1-2 weeks for order quantity more than 100KG
Q3. Do you have any MOQ limit for Quartz product order?
A: Low MOQ, 1pc for sample checking is available
Q4. How do you ship the goods and how long does it take to arrive?
A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping are also optional.
Q5. How to proceed an order for Quartz Products?
A: Firstly, let us know your requirements or application.
Secondly, we quote according to your requirements or our suggestions.
Thirdly, customer confirms the samples and places deposit for formal order.
Fourthly, we arrange the production.
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. How to deal with the faulty?
A: Firstly, Our products are produced in strict quality control system and the defective rate will be less than 0.2%.
Secondly, during the guarantee period, we will send replacement or repair after confirmation.
Customers Visiting & Exhibition Moment
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