Application
Semiconductor grade quartz boat is used as the base material in semiconductor wafer manufacturing process.
Product Feature
Semiconductor grade quartz rod features high purity, low hydroxyl and high temperature resistance, etc.
Product Type
PQ191E, PQ191EH
Typical Size
OD Range (mm) | 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% |
Physical & Chemical 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
●ISO9001, ISO14001 cerfied;
●World leading production process and equipment;
●Customer-oriented thoughts;
●Applied into lighting, solar, optics, optical fiber, semiconductor and etc;
●Cutting edge of melting technology;
●World famous brand;
CNAS Certified Laboratory
Production Main Facilities
FAQ
Q1.Are you manufacturer or trade company?
A: We are manufacturer in quartz field for 30 years
Q2: Can you produce conveyor as our requirements?
A: Yes, OEM is available. We have professional team to do anything what you want from us.
Q3.Is the sample available?
A: Yes, we are providing free of samples are available for you to check the quality once confirmed after 1~2day.
Q4.Is there the products tested before shipping?
A: Yes, of course. All of our conveyor belt we all will has been 100%QC before shipping. We test every batch every day.
Q5.How your quality guarantee?
A: We have 100% quality guarantee to customers. We will be responsible for any quality problem.
Q6.Can we visit your factory before place the order?
A: Yes,very welcome that must be nice to set up good relationship for business.
Q7.Can we be your agent?
A: Yes, welcome to cooperation with this. We have big promotion in the market now. For the details please contact with our overseas manager.
Customers Visiting & Exhibition Moment
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