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FEATURES
BeSil 8250 is high purity two-component heat curing silicone materials.
Resistance to environmental pollution, moisture, shock, vibration, etc., Maintain optical properties, mechanical properties and electrical properties in a wide range of temperature, humidity and harsh environmental conditions
Properties before curing |
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Property |
Standard/Units | BeSil 8250 A |
BeSil 8250 B |
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Ingredient |
—- | Polysiloxane |
Hydrogen polysiloxane |
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Appearance |
Visual inspection | Colorless liquid |
Colorless liquid |
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Viscosity |
mPa·s (25°C) | 4000-6000 |
4000-6000 |
|
Density |
g/cm3 (25°C) | 0.99 |
0.99 |
|
Mixing ratio |
Mass ratio |
A:B=100:100 |
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Properties after curing |
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Hardness |
shore A |
50 |
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Tensile strength |
MPa |
5.5 |
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Light Transmission |
450nm@1mm,% |
> 90 |
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Volume resistance |
ohm.cm |
2×1015 |
Designed for the manufacture of optical device modules, and can be used for injection molding an optical lens and an optical wave guide coupling reduces scattering loss.
USE
[auth-download url=”https://beginor-chemical.com/wp-content/uploads/2019/03/TDS-of-Besil-8250-silicone-optical-encapsulate.pdf” title=”TDS Download BeSil 8250″]