Application
Widely used in the field of infrared optics quartz material.

Product Feature
Made by electric fused method, low OH, high purity, high temperature resistance
Product Type
PQ811, Electric Fused Quartz Ingot
Typical Size
Size(OD*H)
1800±20*600±20mm
Physical & Chemical Properties
1) Impurity Content( Typical Value) (Unit:ppm)
Type | Al | Ca | Cr | Cu | Fe | K | Li | Mg | Mn | Na | Ti | Zr |
PQ811E | 13 | 0.6 | <0.05 | <0.05 | 0.2 | 0.4 | 0.6 | 0.1 | 0.1 | 0.5 | 1.3 | 1 |
PQ811EH | 8 | 0.6 | <0.05 | <0.01 | 0.1 | 0.1 | 0.2 | 0.05 | 0.05 | 0.1 | 1.3 | 1 |
2) OH Content
OH<20ppm
3) Physical Properties
Physical Properties | Value |
Density(g/cm3) | 2.2 |
Heat Conductivity(w/m·k,1000℃) | 2.28 |
Thermal Expansion(℃-1,1000℃) | 5.5×10-7 |
Softening Point(℃) | 1670 |
Annealing Point(℃) | 1210 |
Strain Point(℃) | 1110 |
4) Optical Properties

Our Main Product
Quartz glass has a very low coefficient of thermal expansion, high temperature resistance, excellent chemical stability, excellent electrical insulation, low and stable ultrasonic delay performance, optimum UV transmission performance, and visible light transmission and near infrared spectroscopy. And has higher mechanical properties than ordinary glass. Therefore, it is one of the indispensable materials in the modern technology of space technology, atomic energy industry, national defense equipment, automation system, and semiconductor, metallurgy, chemical, electric light source, communication, light industry, building materials and other industries.

Main Application

Company Advantage
● Doctor-post work station and top quartz inspection lab;
● Self-innovated 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



What we can do for you
1, Good quality at acceptable price, we can sure you can get more benefit when buy from us;
2, Produce per customers' request such as design & package & printing logo;
3, Special package for fragile products to make sure safe during transportation;
4, We have in this field for ten years for both standard and custom designs per drawings;
Customers Visiting & Exhibition Moment

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