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Precision Polymer Engineering S80N Silicone Rubber

Category Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE) , Silicone
Manufacturer Precision Polymer Engineering Limited
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Precision Polymer Engineering S80N Silicone Rubber.pdf
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Material Notes:
Silicone Rubber, 76-85 °IRHD. Silicone rubber having both methyl and vinyl substituent groups on the polymer chain. To meet UK Ministry of Defence Aircraft Materials Specification DTD5582A Grade 80.Applications: Particularly suitable in fluid sealing applications where low compression set is of prime importance in O-rings and gaskets. Can be used in contact with heavy mineral and certain diester-based oils within the quoted temperature range. Unsuitable for use in contact with petroleum based fuels, light mineral oils or greases derived from them. Excellent ozone resistance.
Mechanical Properties Metric English Comments
Hardness, Shore A 80
80
°IRHD; ASTM D1415
77 - 85
77 - 85
°IRHD, -3/+5 change after 336 hours @ 200°C; ASTM D1415
Tensile Strength, Yield 4.40 MPa
638 psi
-20% change after 336 hours @ 200°C; ASTM D412
5.50 MPa
798 psi
ASTM D412
Elongation at Break 49 %
49 %
-30% change after 336 hours @ 200°C; ASTM D412
70 %
70 %
ASTM D412
Compression Set 20 %
20 %
24 hours @ 150°C; ASTM D395
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 250 °C
482 °F
Minimum Service Temperature, Air -65.0 °C
-85.0 °F
-65.0 °C
-85.0 °F
Non-brittle after 3 minutes
Flash Point >= 300 °C
>= 572 °F
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