Application
Mainly used in automotive halogen bulb, car headlamps and other low-power lamp bulb;
It can also be applied to other sealing transition materials.
Product Feature
It is a doped transparent quartz tube, which is about 150 ° C lower than conventional quartz glass materials. The extreme tolerance size control makes it have superior processing performance. It can be used in high-speed fast processing lines. It also has low hydroxyl group and UV-filter. C UV and other properties
Product Type
PQ 321L ,Low viscosity UV Block Quartz Tube
Typical Size (Unit:ppm)
OD Range | OD Tolerance | Wall Thickness | WT Tolerance | Out of Round | Siding | Bow |
8-14.2 | ±0.1 | 1～1.2 | ±0.05 | 1.5% | 8% | 0.15% |
Remark: Customized size is available
Physical & Chemical Properties
1) Mechanical & Thermal Properties
Density （20℃kg/m3） | Thermal Expansion （200-300℃℃-1） | Softening Point（℃） | Annealing Point （℃） | Strain Point （℃） |
2.2 | 6.3*10-7 | 1535 | 1020 | 965 |
2) Impurity Value (Unit:ppm)
Impurity | Na | K | Mg | Li | Ca | Fe | Al | Ti | Cu |
Typical value | 7 | 5 | 0.5 | 1 | 3 | 1.5 | 25 | 2 | 0.5 |
Remark: The figures above only indicate typical values, excluding doped elements.
3) OH Content (Unit:ppm)
Typical Value without Baking | After baking |
70 | ＜10 |
4) Viscosity and Temperature Curve
Our Main Product
Main Application
Company Advantage
1) We are a professional manufacturer for quartz products;
2) We will try our best to offer the most competitive price and best service;
3) We can accept customized and accept sending you the samples for review;
4) We will take detailed pictures for you check before shipping;
5) We can delivery the order on time;
6) If you have any other questions, we can chat with each other any time when you need us about products using or products related question;
7) We can designed according your drawing and we have our proffessional engineering to offer you the best services according your need;
8) Our packing is carefully packing;
CNAS Certified Laboratory
Production Main Facilities
FAQ
Q1. What is our business partner ?
A:Our customer friends from any area from, Russia, America, Korea, Europe More than 20 countries all over the world.
Q2. Why to choose us ?
A:We have many years’ experiences in quartz glass market. We can offer high quality products for you ,
Q3. What is the time we will reply the quotation ?
A: Quotes in 15 minites or Less– Each Enquiry is replied within 1 hours. If not replys, you can call us or wechat us Individual sales representative is also pleased to answer your phone call within or out of office time. Please also can send email to us(email adrress as follows).
Customers Visiting & Exhibition Moment
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