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Precision Polymer Engineering E65K Ethylene Propylene Rubber

Category Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE)
Manufacturer Precision Polymer Engineering Limited
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Precision Polymer Engineering E65K Ethylene Propylene Rubber.pdf
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Material Notes:
Peroxide cured, Ethylene Propylene Terpolymer (EPT), 50-70 °IRHD. Terpolymer of ethylene, propylene and diene monomers. Specially formulated for sealing sulphur hexafluoride (SF6) gas in electrical distribution equipment.Applications: Excellent resistance to silicone based oils and greases. Low compression set properties. Specifically designed for sealing SF6 gas in electrical distribution equipment, i.e. medium & high voltage switchgear.
Mechanical Properties Metric English Comments
Hardness, Shore A 65
65
°IRHD; ASTM D1415
75
75
°IRHD, +10 change after 70 hours @ 100°C; ASTM D1415
Tensile Strength, Yield 8.50 MPa
1230 psi
-15% change after 70 hours @ 100°C; ASTM D412
10.0 MPa
1450 psi
ASTM D412
Elongation at Break 110 %
110 %
-45% change after 70 hours @ 100°C; ASTM D412
200 %
200 %
ASTM D412
Compression Set 25 %
25 %
70 hours @ 100°C; ASTM D395
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 150 °C
302 °F
Minimum Service Temperature, Air -45.0 °C
-49.0 °F
-40.0 °C
-40.0 °F
Non-brittle after 3 minutes
Flash Point >= 200 °C
>= 392 °F
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