Application
Quartz components in semiconductor wafer manufacturing process

Characteristics
Semiconductor grade quartz rod features high purity, low OH and high temperature resistance, etc.
Code
PQ191E, PQ191EH
Specifications
OD Range | OD Tolerance | Ovality | Bow |
OD<10.00 | ±2.00% | 2.00% | 0.15% |
10.00≤OD<20.00 | ±1.25% | 1.25% | 0.15% |
20.00≤OD<30.00 | ±1.25% | 1.25% | 0.15% |
30.00≤OD<50.00 | ±1.25% | 1.25% | 0.15% |
50.00≤OD<100.00 | ±1.25% | 1.25% | 0.15% |
100.00≤OD<160.00 | ±1.00% | 1.00% | 0.15% |
Physicochemical Properties
1) Trace Elements (Unit:ppm)
Code | Criteria | Al | Ca | Cr | Cu | Fe | K | Li | Mg | Mn | Na | Ti | Zr |
PQ191E | 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 | |
PQ191EH | 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 |
2) OH Content
PQ191E/ PQ191EH | OH<30ppm |
3) Physical Properties
Item | Index Valus |
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 product SiO2 content can reach to 99.995-99.999%;
●World leading production process and equipment;
●Applied into lighting, solar, optics, optical fiber, semiconductor and etc;
●Cutting edge of melting technology and doping technology;
●World famous brand in quartz and silicon field;

CNAS Certified Laboratory


Production Main Facilities



FAQ
Q1. Can I have a sample order for quartz products?
A: Yes, sample first ,and then discuss more cooperation.
Q2. When was your factory established?
A: Our company was established in 1992 and has long experience in quartz product producing
Q3. Can I request to change the form of packaging and transportation?
A: Yes, we can discuss and try to meet your demand.
Q4. How can I know more information about your company?
A: Please visit our website: www.quartzpacific.com, you can download data sheet of our product.
Q5. How many workers in your factory?
A: 1000 workers.
Customers Visiting & Exhibition Moment

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