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 |
400.00≤OD＜500.00 | ±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
Our Service
1.More Professional service in Packaging and printing products exporting field;
2.Better manufacture ability;
3.Various payment term to choose:T/T,Western Union,L/C,Paypal;
4.High quality/Safe material/Competitive price;
5.Small order available;
6.Quickly response;
7.More safe and fast transport;
8.OEM design for all customers;
CNAS Certified Laboratory
Production Main Facilities
FAQ
Q1. How can I place an order?
A: You can contact any of our sales person for an order. Please provide the details of your requirements as clear as possible. So we can send you the offer at the first time. For designing or further discussion, it is better to contact us with Skype, TradeManger or QQ or WhatsApp or other instant ways, in case of any delays.
Q2. When can I get the price?
A: Usually we quote within 24 hours after we get your inquiry.
Q3. Can you do the design for us?
A: Yes. We have a professional team having rich experience in gift box design and manufacturing. Just tell us your ideas and we will help to carry out your ideas into perfect boxes.
Q4. How long can I expect to get the sample?
A: After you pay the sample charge and send us confirmed files, the samples will be ready for delivery in 1-3 days. The samples will be sent to you via express and arrive in 3-5 days.
Q5. What about the lead time for mass production?
A: Honestly, it depends on the order quantity and the season you place the order. Alway 25-28days based on general order.
Q6. What is your terms of delivery?
A: We accept EXW, FOB, CFR, CIF, etc. You can choose the one which is the most convenient or cost effective for you.
Customers Visiting & Exhibition Moment
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