Product Information
Quartz glass window is made from PQ871 series quartz ingot. The quartz ingot can be made following products: Evaporation sputtering target, coating materials ring, semiconductor flange, solar materials, LED cover.

Raw Materials Introduction
The flame ingot is made by flame method with raw material of PQ own purified natural quartz sand. Continuous flame melting produces highly purified, net formed quartz ingots with few micro-bubbles (high material utilization ratio), which can be processed into various shapes. PQ871S/E series is with even higher impurity level.
Raw Material Type
PQ871 Series, Flame Transparent Quartz Ingot
Typical Size (Unit:mm)
Type | Shape | Size |
PQ871/PQ871S/PQ871E | Square/Round | 10~700mm |
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*103 | 5.6*10-7 | 1670 | 1210 | 1100 |
2) Impurity Value (Unit:ppm)
Type | Na | K | Mg | Li | Ca | Fe | Al | Cu |
PQ871 | 2.0 | 1.0 | 0.5 | 2.5 | 1.5 | 0.6 | 20.0 | 0.05 |
PQ871S | 1.0 | 0.7 | 0.2 | 0.8 | 1.0 | 0.5 | 15.0 | 0.02 |
PQ871E | 0.5 | 0.4 | 0.1 | 0.6 | 0.6 | 0.2 | 13.0 | 0.05 |
Remark: The figures above only indicate typical values, excluding doped elements.
3) Optical Properties

Our Main Product

Main Application

Company Advantage
● Doctor-post work station and top quartz inspection lab;
● Self-innvated production process and equipment;
● Own of 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 of melting technology;
● World famous quartz glass supplier;

CNAS Certified Laboratory


Production Main Facilities



FAQ
Q1. Are you a factory or trading company?
A: We are professional quartz factory.
Q2. Where is your factory located? How can I visit there?
A: Our factory is located in Lianyungang ,China, about 2 hours train from Shanghai .
Q3. What is the material of your products?
A: The material is quartz, SiO2.
Q4. How can I get some samples?
A: We are honored to offer you samples.
Q5. How does your factory do regarding quality control?
A: Quality is priority. We have our professional quality control team to guard every step of the manufacturing.
Customers Visiting & Exhibition Moment

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