Freudenberg Sealing Technologies Simriz 487 (FFKM) Perfluoroelastomer

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Freudenberg Sealing Technologies Simriz 487 (FFKM) Perfluoroelastomer
Categories:	Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Simriz has chemical stability similar to that of PTFE combined with the rubbery-elastic qualities of an elastomer. They are used wherever extreme safety standards are in force and high maintenance and repair expenditures exceed the costs of the seals. Information provided by Freudenberg Sealing Technologies.
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Mechanical Properties	Metric	English	Comments

Hardness, Shore A	79	79	ASTM D2240
Tensile Strength	18.7 MPa	2710 psi	ASTM D412 Die C
Elongation at Break	170 %	170 %	ASTM D412 Die C
100% Modulus	8.50 MPa	1230 psi	ASTM D412 Die C
Compression Set	25 % @Temperature 275 °C, Time 252000 sec	25 % @Temperature 527 °F, Time 70.0 hour	ASTM D395 Method B
	29 % @Temperature 300 °C, Time 252000 sec	29 % @Temperature 572 °F, Time 70.0 hour	ASTM D395 Method B
	43 % @Temperature 300 °C, Time 1.08e+6 sec	43 % @Temperature 572 °F, Time 300 hour	ASTM D395 Method B
	44 % @Temperature 275 °C, Time 1.08e+6 sec	44 % @Temperature 527 °F, Time 300 hour	ASTM D395 Method B

Descriptive Properties
Color	Black

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PFREU9345 / 293864

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