| أدني كمية الطلب: | 1 |
| نقل: | Ocean,Land,Air,Express |
| ميناء: | shanghai |
نموذج: BF33
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|
Coefficient of thermal expansion: |
（20-300℃）3.3×10-6 K-1 |
|
Density: |
2.23g/cm3 |
|
Strain temperature: |
520℃ |
|
Softening temperature: |
820℃ |
|
Refractive index |
1.47 |
|
Heat resistant temperature difference: |
270℃ |
|
Bending strength (typical values): |
≥ 150 N/mm2 (21,000 psi) |
|
Surface compressive stress: |
≥ 90 N/mm2 (13,000 psi) |
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