Epoxosil RTV-1295 (close this window when finished. if you are using another browser than IE, Click Here to go back)
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Thermally Conductive, Deep Section Cure Reversion Resistant, RTV Silicone Encapsulant.
Description: Epoxosil RTV-1295 is a low viscosity, RTVS silicone encapsulant which displays high thermal conductivity, and may be heat accelerated to final cure. Epoxosil RTV-1295 will conform to UL 94 V-0 flame retardency, and is also reversion resistant. Properties - Uncured:- Part A: Part B: Color, visual Red Clear Viscosity ASTM-D-1084 80,000 cps 1,000 cps Specific Gravity 2.4 .96 Mix Ratio (weight) 100:10 Mixed Viscosity ASTM-D-1084 20,000 cps Pot Life @ 72ºC 40 - 45 Minutes Shelf Life @ 72ºC 6 Months Properties - Cured:- Physical: Hardness, ASTM-D-2240 (Durometer) Shore A 75 Tensile Strength, ASTM-D-412 475 psi Tensile Elongation, ASTM-D-412 100% Tear Strength, ASTM-D-624 (Die B lb./in.) 20 Coefficient of Thermal Expansion (cm/cm/ºC) 18 x 10^-5 psi Service Temperature -55ºC to 204ºC Electrical: Dielectric Strength, ASTM-D-149 (volts/mil) 500 Dielectric Constant, ASTM-D-150 (60 Hz) 3.7 Dissipation Factor, ASTM-D-150(60 Hz) 0.005 Volume Resistivity, ASTM-D-257 (ohm-cm) 5x10^14 Thermal Conductivity 10.0 BTU Mixing Instructions:
Cure Schedule: Overnight at room temperature (12 – 16 hours @ 72 F), or a) 4 hours @ 140 F b) 1 hour @ 200 F c) 15 minutes @ 250 F NOTESCertain materials may inhibit the cure of Epoxosil RTV-1295 when placed in contact with the mixed, uncured rubber. Materials such as amines and amine cured epoxies, sulfur containing materials and condensation (tin cured) silicones, are some which may cause inhibition. Even surfaces which have been in contact with such materials may cause it. If in doubt, a patch test should be done.
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