SILTRUST RTV627 silicone rubber compound is a two-component room temperature
vulcanizing Momentive Performance Materials rubber compound for potting and
encapsulation, particularly where flammability is of concern. This product is supplied
with curing agent in matched kits which are designed for use at a convenient 1:1 ratio
by weight or volume. SILTRUST RTV627 silicone rubber compound is dark gray in color
and has an easily pourable viscosity of about 1300 cps.
SILTRUST RTV627 silicone rubber compound is recommended for evaluation in
applications such as a production line potting compound to provide protection of
electronic components and assemblies against thermal shock, vibration, moisture,
ozone, dust, chemicals, and other environmental hazards. Other applications include
encapsulation of high voltage transformers, voltage regulators, power converters and
complete power supplies.
Convenient 1:1 mix ratio by weight or volume for use in automatic dispensing or hand operations
Chemical composition contains no solvents for ease of use on production lines
Low viscosity allows easy flow in and around complex parts
Cure rate can be accelerated by heat
Will cure in deep sections or enclosed assemblies without exotherm and with low shrinkage
Reversion resistant and hydrolytically stable
Recognized by Underwriters Laboratories with a flammability classification of UL94V-0 in a sample thickness of 3.2 mm (0.125 in.)
