| All data is for information only------(<---links) | |
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| PRODUCT DATA of BK7 |
| Material | BK7 |
| Safety Datasheet | msds BK7 |
| Product Datasheet | datasheet_n-bk7 |
| General Information | Borosilicates contain about 10% boric oxide, have good optical and mechanical characteristics, and are resistant to chemical and environmental damage |
| Product Type | Amorphous glass |
| Chemical Composition | Borosilicate |
| Name of Manufacturer | SCHOTT AG
Hattenbergstrasse 10, 55122 Mainz, Germany +49 (0)6131/66-1812 info.optics@schott.com +49 (0)3641/2888-9047 www.schott.com/advanced_optics |
| EXPERIENCE IN PRACTICE |
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| Development Status | Commercial Product |
| Equivalent Designations | BK 7; BK-7 |
| PHYSICAL PROPERTIES |
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| Specific Gravity | 2.51 |
| ELASTIC PROPERTIES |
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| Tensile Modulus | 82 GPa |
| Poisson Ratio | 0.206 |
| THERMAL PROPERTIES |
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| Thermal Conductivity | 1.11 W/m.K |
| Thermal Expansion Coefficient | 7.1 μstrain/°C |
| Melting Range | 557 °C |
| Specific Heat | 0.858 J/g.K |