Epoxosil RTV-1113 A
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General Purpose RTV Silicone Sealant/Encapsulant.
Epoxosil RTV-1113 A is a multi-purpose casting material for use as an encapsulate, sealant potting compound, coating compound and art reproduction molding compound. Epoxosil RTV-1113 A has been used successfully in protecting electronic components, assemblies and delicate systems. Epoxosil RTV-1113 A exhibits excellent electrical properties, low temperature flexibility and high temperature stability. A variety of catalysts are available for different cure situations.
Properties - Uncured:-
Color, visual Red
Viscosity ASTM-D-1084 30,000 cps
Specific Gravity 1.45
Mix Ratio (RTV cat 12) 0.1-0.5 by weight
Mixed Viscosity 28,000 cps
Pot Life @ 72ºC 1-4 Hours
Shelf Life @ 72ºC 6 Months
Properties - Cured:-
Hardness, ASTM-D-2240 (Durometer) Shore A 60
Tensile Strength, ASTM-D-412 750 psi
Tensile Elongation, ASTM-D-412 140%
Tear Strength, ASTM-D-624 (Die B lb./in.) 40
Coefficient of Thermal Expansion (cm/cm/ºC) 21 x 10^-5 psi
Service Temperature -55ºC to 260ºC
Shrinkage 0.2% to 0.5%
Dielectric Strength, ASTM-D-149 (volts/mil) 500
Dielectric Constant, ASTM-D-150 (60 Hz) 3.8
Dissipation Factor, ASTM-D-150(60 Hz) 0.02
Volume Resistivity, ASTM-D-257 (ohm-cm) 1x10^15
Thermal Conductivity 2.2 BTU
Overnight at room temperature (12-16 hours) @ 72ºF. Faster tack-free surfaces achieved using varied catalysts.
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