Encapsulant for LED

Properties of Condensation types

#200series

  YSL-250 YSL-251
Liquid A Liquid B Liquid A Liquid B
Before
cure
Appearance Colorless
transparent loquid
Pale yellow
Transparent liquid
Colorless
transparent loquid
Pale yellow
Transparent liquid
mixing ratio 100 2 100 2
Viscosity (mPa・s at 23℃) 3100 30 3500 30
Viscosity after mixing
(mPa・s at 23℃)
3100 3400
Pot life at 23℃ 8h 8h
Standerd cure conditions 150℃ * 4h 150℃ * 4h
After
cure
Appearance Colorless transparent Colorless transparent
Refractive index 1.41 1.41
Hardness Durometer A50 A70
Light transmissibility (*1)
(% at 450nm/1mm)
100 100
Heat shock test (100cycles)
0℃ Water / 100℃ Hot water
OK OK

(*1) Water is the reference of the light transmissibility.

#500series

  YSH-550 YSH-561
Liquid A Liquid B Liquid A Liquid B
Before
cure
Appearance Colorless
transparent loquid
Pale yellow
Transparent liquid
Colorless
transparent loquid
Pale yellow
Transparent liquid
mixing ratio 100 1 100 1
Viscosity (mPa・s at 23℃) 6600 180 3500 180
Viscosity after mixing
(mPa・s at 23℃)
5000 3000
Pot life at 23℃ 8h 8h
Standerd cure conditions 130℃ * 2h + 150℃ * 2h 130℃ * 2h + 150℃ * 2h
After
cure
Appearance Colorless transparent Colorless transparent
Refractive index 1.54 1.54
Hardness Durometer D35 D35
Light transmissibility (*1)
(% at 450nm/1mm)
100 100
Anti-Sulfrated test
 (70℃ * 24h)
With no silver corrosion With no silver corrosion
Heat shock test (100cycles)
0℃ Water / 100℃ Hot water
OK OK

(*1) Water is the reference of the light transmissibility.

 

Properties of Dual types

#300series

  YSL-300F YSL-350F
Liquid A Liquid B Liquid A Liquid B
Before
cure
Appearance Colorless
transparent loquid
Pale yellow
Transparent liquid
Colorless
transparent loquid
Pale yellow
Transparent liquid
mixing ratio 100 1 100 1
Viscosity (mPa・s at 23℃) 6000 4000 8000 3700
Viscosity after mixing
(mPa・s at 23℃)
5200 6000
Pot life at 23℃ 8h 8h
Standerd cure conditions 100℃ * 1h + 150℃ * 1h 100℃ * 1h + 150℃ * 1h
After
cure
Appearance Colorless transparent Colorless transparent
Refractive index 1.41 1.41
Hardness Durometer A50 A70
Light transmissibility (*1)
(% at 450nm/1mm)
100 100
Heat shock test (100cycles)
0℃ Water / 100℃ Hot water
OK OK

(*1) Water is the reference of the light transmissibility.

 


#600series

  YSH-600F YSH-610F
Liquid A Liquid B Liquid A Liquid B
Before
cure
Appearance Colorless
transparent loquid
Pale yellow
Transparent liquid
Colorless
transparent loquid
Pale yellow
Transparent liquid
mixing ratio 2 1 1 1
Viscosity (mPa・s at 23℃) 26,000 270 4,800 4,300
Viscosity after mixing
(mPa・s at 23℃)
4000 4500
Pot life at 23℃ 8h 8h
Standerd cure conditions 100℃ * 1h + 150℃ * 1h 100℃ * 1h + 150℃ * 1h
After
cure
Appearance Colorless transparent Colorless transparent
Refractive index 1.54 1.54
Hardness Durometer D40 D35
Light transmissibility (*1)
(% at 450nm/1mm)
100 100
Heat shock test (100cycles)
0℃ Water and 100℃ Hot water
OK OK

(*1) Water is the reference of the light transmissibility.

 

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