DOW CORNING OE 7640 A-B OPTICAL ENCAPSULANT D-45 CLEAR Product Catalog

Two part heat curable optical grade silicone resin

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Characteristics Two part heat curable optical grade silicone
Market application Semiconductor
Market application 2 Optical Components
Color Transparent
Compliance RoHS/HF
Brands DOW

Transparent


Viscosity(mPa.s ):3,500


Useful temperature ranges (℃):-45~200


Storage condition:12M@25℃


Hardness(Shore):D43


Package:1.8kg/Kit


Application description:Die coating and protect


Curing condition:150℃x2Hrs


Mix ratio:1:5


Compliance:RoHS/HF


Shelf life:12months


Elongation(%):170


Tensile Strength(psi):3.2


Transition Temperature(Tg):31


Refractive index:1.54


Light T or R @Thickness (3.2mm):100%


Specific Gravity(g/ML):1.18


Die Shear Strength(Mpa)Die Shear Strength(Mpa):6.9


Refractive type:High RIRefractive index


Part-A viscosity(m.Pas):400


Part-B viscosity(m.Pas):8,500


Moisture permeability(g/m2/24h,40C/90%):14


Oxygen permeability(cm3/m2/24h):600


Coefficient of Linear Thermal Expansion ( PPM/ ℃ ) :223