Dow Silastic® FL 40-9201 F-LSR Fluoro Liquid Silicone Rubber

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Dow Silastic® FL 40-9201 F-LSR Fluoro Liquid Silicone Rubber (discontinued **)
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber; Liquid Silicone Rubber (LSR)
Material Notes:	SILASTIC™ brand F-LSRs are designed for use in harsh environments involving fuel, oil or aggressive fluids. With xx = Durometer hardness, these F-LSRs are available as the fully (100%) fluorinated SILASTIC™ FL-xx-9201 Series. These F-LSRs combine the fluid resistance of fluorosilicone rubber with the processing ease of liquid silicone rubber using standard injection-molding equipment. Product applications: Solvent resistant and chemically resistant parts Gaskets and Membranes for demanding sealing applications Key Features: Fully (100%) fluorinated Excellent resistance to fuels and oils Retain elasticity at low temperatures (Tg -68°C) Light yellow Former Dow/ Dow Corning brand.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.44 g/cc	1.44 g/cc	ASTM D792
Viscosity	770000 cP @Frequency 10 Hz	770000 cP @Frequency 10 Hz	Part A; CTM 1094
	790000 cP @Frequency 10 Hz	790000 cP @Frequency 10 Hz	Part B; CTM 1094

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	40	40	ASTM D2240
Tensile Strength	9.20 MPa	1330 psi	ASTM D412
Elongation at Break	470 %	470 %	ASTM D412
Tear Strength	16.0 kN/m	91.3 pli	ASTM D624 DIE B
Compression Set	11 % @Temperature 175 °C, Time 79200 sec	11 % @Temperature 347 °F, Time 22.0 hour	PC; ASTM D395
	17 % @Temperature 175 °C, Time 79200 sec	17 % @Temperature 347 °F, Time 22.0 hour	NPC; ASTM D395

**
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PDOW9940 / 233143

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