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SMD Encapsulant

Introduction


This series is two-component silicone encapsulant. S207 / S208 is resin type, while S209 / S210 is rubber type. With high refractive index, air tightness, low permeability for sulfur gas, resistance to reflow, this series is suitable for LED SMD packaging.



Properties

Product Name

F-S207 

F-S208 

F-S209 

Uncured Properties

Appearance

A Translucent /
B Transparent

A Translucent /
B Transparent

A Translucent /
B Transparent

Mixed Viscosity mPa?s 

7000

5000

5000

Cure Condition °C/h

80/1+150/3 

80/1+150/3 

80/1+150/3 

固化后性能

Refractive Index @25°C

1.54

1.54

1.54

Tg  ℃

53

49

35

Shore Hardness

45D 

35D 

85A 

Transmittance @450nm %

＞91

＞91 

＞91 

Linear CTE ppm/K

220

220

225