Fluorosilicone
Typical
Trade Name: Silastic L.S. - Dow Corning Corp.
Fluorosilicone
combines the good high and low temperature properties of silicone
with basic fuel and oil resistance. The primary uses of fluorosilicones
are in fuel systems at temperatures up to 350 degrees F (177 degrees
C), and in applications where the dry-heat resistance of silicone
is required, but the seal may be exposed to petroleum oils and/or
hydro-carbon fuels. In some fuels and oils, however, the high
temperature limit is more conservative because temperatures approaching
350 degrees F may degrade the fluid, producing acids which attack
fluorosilicone elastomers.
High
strength type fluorosilicones are available. Certain of these
exhibit much improved resistance to compression set.
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