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SF-FSR fluorosilicone compound

SF-FSR fluorosilicone compound china

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Product description

Product Description
Chemical Name FSR series high tear resistance fluorosilicone compound
Description This product is a homogeneous mixture of fluorosilicone elastomer and various fillers and additives. Excellent high strength and high tear properties. Excellent oil resistance, solvent resistance and high and low temperature resistance.
Technical Data
Item Standard
Item SF-FS40 SF-FS50 SF-FSR60
Method/Appearance Milky white translucent
Density/g/cm3 ASTM D792 1.42 1.44 1.45
Hardness/shoreA ASTM D2240 40 50 60
Tensile strength/Mpa ASTM D412 10.1 10.2 10.3
Elongation at break/% ASTM D412 490 457 440
Tear strength/KN/m ASTM D624-B 35 42 43
Compression permanent deformation (177℃*22h) ASTM D395 11 11 12
*Heat resistance
225℃×72h
Hardness changes
(Shore A)
+3 +3 +2
Tensile Strength
Change rate,%
-19 -16 -17
Elongation at break
Change rate, %
-14 -17 -18
Fuel C
Volume change rate/%
23℃/72h
ASTM D471 23 21 20
Vulcanization conditions Add 0.7 parts of double 25, first-stage vulcanization: 170℃×15min, second-stage vulcanization: 200℃×4h
Processing suggestions:
It is recommended to use 0.6 to 1 part of bis-penta sulfide (2,5-dimethyl-2,5-bis(tert-butylperoxy)hexane).
Customers should determine the most appropriate vulcanization temperature and time based on product size and vulcanization method.