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Fluorosilicone (FVMQ) O-Rings


Fluorosilicone (FVMQ) O-Rings

Temperature Range:

-75°F (-59°C) to 400°F (204°C)

Hardness (Shore A) Range:

40 to 80

Also Know As:

Silastic LS®, FSE®

Designation:

FVMQ

Class:

FK

Shelf Life:

Unlimited

Description:

Fluorosilicones are used widely in jet fuel applications and where the dry-heat resistance of silicone is required.

Advantages:

Excellent resistance to petroleum oils and hydrocarbon fuels as well as diester base lubricants (up to 175°C).

Disadvantages:

Compared to silicone, it has a poor hot air resistance, and poor physical characteristics restricting its use with dynamic applications.

Parker Flourosilicone (FVMQ) Compounds

Compound #:Recommended For:Temperature Range:Color:
LM151-50 (11645)General Purpose-100°F to 350°FBlue
LM158-60AMS-R-25988, TY 1, CL 1, GR 60, AMS 3325-100°F to 350°FBlue
LA163-70General Purpose-100°F to 350°FGreen
LM100-70MIL-DTL-25988, TY1, CL 1, Gr 70, UL Listed-100°F to 350°FBlue
LM159-70MIL-DTL-25988, TY 1, CL 1, GR 70-100°F to 350°FBlue
L1120-70MIL-DTL-25988, TY I, -CL I, GR 70, UL listed-100°F to 350°FBlue
L1077-75MIL-DTL-25988,TY I, CL III, GR 75-90°F to 350°FBlue
40713-75Automotive Fuel Quick - Disconnects-90°F to 350°FYellow
LM160-80MIL-DTL-25988, TY 1, CL 1, GR 80-90°F to 350°FBlue
L1186-80PTFE Loaded-85°F to 350°FRust

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