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FSL 7641

Technical Datasheet | Supplied by Momentive Performance Materials

FSL 7641 by Momentive Performance Materials is a two-component fluorinated liquid silicone rubber. Offers improved resistance to oil, fuel, solvent, aging and fluids. Shows low compression set without post-cure, fast cure, high thermal stability, easy colorability, high stability and flexibility at low temperature. Designed for processing by injection moldng. FSL 7641 is used in elastomeric articles like O-rings, membranes, mold making, air intake flaps, seals and gaskets.

FSL 7641 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Viscosity

790 Pa.s

(Part A, gamma = 10 s^-1 at 20°C)

DIN 53018

Viscosity

700 Pa.s

(Part B, gamma = 10 s^-1 at 20°C)

DIN 53018

Specific Gravity

1.23 g/cm³

(Vulcanization: 10 min at 175°C, Post cured for 4 h at 200°C in hot air)

DIN 53 479 A

Injection Molding Properties

Value & Unit

Test Condition

Test Method

Mold Temperature

170 - 230 °C

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FSL 7641

FSL 7641 Properties

Physical Properties

FSL 7641 Processing Guidelines

Injection Molding Properties