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Precision Polymer Engineering S50E 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 S50E Silicone Rubber.pdf
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Material Notes:
Red iron oxide filled, Phenyl Silicone Rubber, 45-55 °IRHD. Silicone rubber having methyl, vinyl and phenyl substituent groups on the polymer chain. To meet UK Ministry of Defence Aerospace Specification DTD818 Class M2. ASTM & ISO designation = PVMQ.Applications: Excellent heat resistance plus ultra-low temperature flexibility. Used primarily for dry heat static seals. Low physical strength and poor abrasion resistance prevents dynamic sealing. Although silicone will swell in petroleum lubricants, this is not necessarily detrimental in static sealing applications.
Mechanical Properties Metric English Comments
Hardness, Shore A 50
50
°IRHD; ASTM D1415
65
65
°IRHD, +15 change after 336 hours @ 200°C; ASTM D1415
Tensile Strength, Yield 3.105 MPa
450.3 psi
-25% change after 336 hours @ 200°C; ASTM D412
4.14 MPa
600 psi
ASTM D412
Elongation at Break 50 %
50 %
-75% change after 336 hours @ 200°C; ASTM D412
200 %
200 %
ASTM D412
Compression Set 30 %
30 %
70 hours @ 100°C; ASTM D395
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 250 °C
482 °F
Minimum Service Temperature, Air -90.0 °C
-130 °F
-90.0 °C
-130 °F
Non-brittle after 3 minutes
Flash Point >= 300 °C
>= 572 °F
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