Fluorosilicones (FVMQ) combine most of the attributes of silicone with resistance to petroleum oils & hydrocarbon fuels typical in Fluoroelastomers. As a result, they are often used in aircraft fuel systems.

 

Low physical strength and poor abrasion resistance combined with high friction, usually limit Fluorosilicone to use as static seals.  Fluorosilicones are suitable for use over a temperature range of -85° to 350°F (-65° to 175°C).

 

PAI offers Fluorosilicone compounds in a hardness range of 40 to 80 durometer. Blue is the standard color but others are available.

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Item #

Nominal Durometer

Color

Compound Features

RoHS Compliant

REACH Compliant

20462 N/A 40 N/A Blue N/A N/A Yes N/A Yes
20463 N/A 40 N/A Blue N/A General Purpose, AMS-R-25988 Class 1, Grade 40, Type ll N/A Yes N/A Yes
20465 N/A 40 N/A Rust Red N/A N/A Yes N/A Yes
20510 N/A 50 N/A Cream N/A N/A Yes N/A Yes
20542 N/A 50 N/A Salmon N/A Blend N/A Yes N/A Yes
20554 N/A 50 N/A Salmon N/A N/A No N/A Yes
20562 N/A 50 N/A Blue N/A N/A Yes N/A Yes
20563 N/A 50 N/A Blue N/A General Purpose, AMS 3329,
AMS-R-25988 Class 1 & 2, Grade 50, Type ll
N/A Yes N/A Yes
20662 N/A 60 N/A Blue N/A General Purpose, AMS 3325,
AMS-R-25988 Class 1 & 2, Grade 60, Type ll
N/A Yes N/A Yes
20666 N/A 60 N/A Red N/A High Shrink N/A No N/A Yes
20762 N/A 65 N/A Blue N/A N/A Yes N/A Yes
20725 N/A 70 N/A White N/A N/A Yes N/A Yes
20763 N/A 70 N/A Blue N/A General Purpose, AMS-R-25988 Class l, Grade 70, Type l & ll N/A Yes N/A Yes
20766 N/A 70 N/A Blue N/A AMS 7266 N/A Yes N/A Yes
20832 N/A 80 N/A Blue N/A N/A Yes N/A Yes
20863 N/A 80 N/A Blue N/A General Purpose N/A Yes N/A Yes
20866 N/A 80 N/A Rust Red N/A N/A Yes N/A Yes
20963 N/A 90 N/A Blue N/A General Purpose N/A Yes N/A Yes
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