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Fluorosilicone rubber is primarily specified for gasket applications requiring the broad temperature
range and age resistance of silicone rubber - along with resistance to fuels, coolants and oils that
would damage silicone rubber. Fluorosilicone rubber gaskets from Stockwell Elastomerics, Inc. provide
these properties for your fluorosilicone rubber gasket application.
Custom molded fluorosilicone gaskets are available from 40 to 70 durometer Shore A. Stockwell Elastomerics, Inc.
Company has immediate access to fluorosilicone compounds that are tested and certified to meet
Mil-R-25988 and AMS specifications. Our press capacity is up to 24" x 24" and local tooling shops
are available for fast turn compression molds.
Die Cut and Waterjet cut solid fluorosilicone gaskets can be provided from .015 " to .500" thick.
Thin gauges from .015" to .032" are usually calendered and cured into rolls. Thicker gauges are
usually cut from molded sheets. To support fast turn and low quantity requirements for our
fluorosilicone rubber gaskets, Stockwell Elastomerics, Inc. has 12" x 12" and 14" x 14" sheet molds with
thickness capabilities ranging from .020" through .500" thick.
Fluorosilicone Sponge
Gaskets and cushioning pads are die cut and water jet cut from St. Gobain's
R10490-M closed cell fluorosilicone sponge. This product meets AMS 3323, Class 2 for moderate-firm
requirements. Stockwell Elastomerics, Inc. maintains an inventory of sheet thicknesses of R10490-M in .032", .062", .125" and .188".
For fluorosilicone cushioning pads and gaskets requiring a thickness greater than .188", flexible
fluorosilicone based adhesives are used to ply up layers. R10490-M has been supplied with #467 (.002" thick)
and 9473 (.010" thick) acrylic adhesive.
Conductive Fluorosilicone
Electrically conductive fluorosilicone is available for EMI Shielding Gaskets and ESD Protection.
Nickel-graphite filled fluorosilicone and silver plated aluminum filled fluorosilicone compounds are
available in cured sheets and custom molded gaskets.
Specifications Met by Fluorosilicone Rubber
Mil-R-25988, Mil-R-25988B and AMS-R-25988 are frequently used to specify fluorosilicone rubber gaskets and materials. AMS 3325 through AMS 3331 are also used to specify fluorosilicone products. FVMQ is the ASTM type for fluorosilicone.
Fluorosilicone, Flourosilicone, Florosilicone?
We occasionally see flourosilicone or florosilicone used mistakenly to specify fluorosilicone products. Fluorosilicone is the correct terminology and spelling.
Contact Stockwell Elastomerics, Inc.
Contact Us for further assistance.
 Molded Fluorosilicone
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