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RTV-897

RTV-897

RTV - 897 is a general purpose condensation cure RTV silicone rubber. RTV-897 has high heat resistance and good thermal conductivity. Major application areas include potting, high temperature molding, rollers, and print pads. It contains no by-products.

Specifications

Color Clear (Part B)
Red (Part A)
Specific Gravity 0.98 (Part B)
2.0 (Part A)
Mix Ratio 100:5 (By Weight)
Mixed Viscosity 13000 cps
Shelf Life 6 months @ 72 °F
Durometer Hardness 65 (Shore A)
Tensile Strength 350 psi
Tensile Elongation 150 %
Tear Strength 20 ppi
Service Temperature Range -54 to 260 ºC
Pot Life 45-60 minutes @ 72 °F
Coefficient of Thermal Expansion 19 x 105 (cm/cm-°C)
Dielectric Constant 3.4 (100 Hz)
Dissipation Factor 0.002 (60 Hz)
Volume Resistivity 9 x 1014 ohm-cm
Linear Shrinkage 0.06 %, After 3days
Dielectric Strength 500 V/mil
Thermal Conductivity 8 BTU in/ft2 hr °F

Use Instructions     
Pre-mix RTV-897 Base thoroughly. Weigh out the required amount and add the required amount of Catalyst. Mix thoroughly scraping both the bottom and sides of the mixing container. Evacuate the air and then apply.

Cure Schedule:
24 hours @ room temperature
Pot Life and cure is dependent on temperature & humidity.

Ideal conditions:
68-78°F (20-26°C)
40-60% relative humidity