Raw Material Of Quartz Plate
High Hardness Mohs hardness of 6~7, comparable to natural quartz, with strong wear resistance.
Heat Resistance Can withstand temperatures of 150~300°C (specific tolerance depends on resin type).
Corrosion Resistance Resistant to acids, alkalis, and chemical solvents (e.g., alcohol, cleaning agents).
Description
Main Components
Quartz Sand (SiO₂): Accounts for 99.99%, providing hardness and heat resistance.
Key Properties
Property Description
- High Hardness Mohs hardness of 6~7, comparable to natural quartz, with strong wear resistance.
- Heat Resistance Can withstand temperatures of 150~300°C (specific tolerance depends on resin type).
- Corrosion Resistance Resistant to acids, alkalis, and chemical solvents (e.g., alcohol, cleaning agents).
Applications
- Semiconductor Equipment Substrates: High-purity Raw material of quartz plateare used in chip manufacturing.
- High-Temperature Insulation Materials: Heat-resistant Raw material of quartz plateserve as linings for kilns and furnaces.
Properties
- Petrochemical Industry
- Pharmaceutical Industry
- Environmental Engineering
Properties
|
Physical Properties |
Values |
|
Purity |
＞99.99% |
|
Density |
2.2g/cm3 |
|
Transparency |
＞90% |
|
Mohs Hardness |
5.5--6.5 |
|
Deformation Point |
1280℃ |
|
Softening Point |
1750℃ |
|
Annealing Point |
1250℃ |
|
Specific Heat (20 - 350°C) |
670J/kg.℃ |
|
Thermal Conductivity (20°C) |
1.4W/m.℃ |
|
Heat Conductivity (w/m.k,1000 ℃ ) |
1.0-1.2 |
|
Refractive Index |
1.4585 |
|
Coefficient of Thermal Expansion |
5.510 -7cm/cm.℃ |
|
Hot - working Temperature |
1750--2050℃ |
|
Short - term Service Temperature |
1450℃ |
|
Long - term Service Temperature |
1100℃ |
|
Chemical Properties |
Values |
|
Acid resistant |
Strong Acid(except HF),Strong alkali, organic solution |
|
High temperatures Corrosion resistant |
Excellent |
|
Metal Impurity Content |
＜5 ppm |
|
Electrical Properties |
Values |
|
Resistivity |
7107Ω.cm |
|
Insulation Strength |
250~400Kv/cm |
|
Dielectric Constant |
3.7~3.9 |
|
Dielectric Absorption Coefficient |
＜410-4 |
|
Dielectric Loss Coefficient |
＜110-4 |
|
Mechanical Properties |
Values |
|
Compressive Strength |
1100MPa |
|
Bending Strength |
67MPa |
|
Tensile Strength |
48MPa |
|
Poisson's Ratio |
0.14~0.17 |
|
Young's Modulus |
72000MPa |
|
Shear Modulus |
31000MPa |
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