DOW CORNING OE 7841 A-B OPTICAL ENCAPSULANT COLOURLESS Product Catalog

Two part heat curable optical grade silicone

More Information
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 ):3,200


Useful temperature ranges (℃):-45~200


Storage condition:12M@25℃


Hardness(Shore):D42


Package:1.65Kg/Kit


Application description:Die coating and protect


Curing condition:150℃x2Hrs


Mix ratio:1:10


Compliance:RoHS/HF


Shelf life:12months


Elongation(%):40


Tensile Strength(psi):5.0


Transition Temperature(Tg):34.5


Refractive index:1.48


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


Specific Gravity(g/ML):1.01


Middle RIRefractive index


Part-A viscosity(m.Pas):1,000


Part-B viscosity(m.Pas):4,000


Moisture permeability(g/m2/24h,40C/90%):24.5


Oxygen permeability(cm3/m2/24h):2000


Coefficient of Linear Thermal Expansion ( PPM/ ℃ ) :235