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Precision Polymer Engineering J70P Butyl Rubber

Category Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE)
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 J70P Butyl Rubber.pdf
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Material Notes:
Phenolic/Resin cured Butyl Rubber, 65-75 IRHD. Isobutylene-Isoprene Rubber.Applications: Butyl is resistant to the same fluids as Ethylene Propylene (EPDM). It has excellent resistance to gas permeation and is especially effective in vacuum applications. Butyl offers good resistance to weathering and ozone but is poor against hydrocarbon based oils and greases. Except for gas permeation resistance, Butyl has been superseded by EPDM.
Mechanical Properties Metric English Comments
Hardness, Shore A 70
70
°IRHD; ASTM D1415
71
71
°IRHD, +1 change after 70 hours @ 100°C; ASTM D1415
Tensile Strength, Yield 8.5974 MPa
1246.9 psi
-3.4% change after 70 hours @ 100°C; ASTM D412
8.90 MPa
1290 psi
ASTM D412
Elongation at Break 226.07 %
226.07 %
-3.8% change after 70 hours @ 100°C; ASTM D412
235 %
235 %
ASTM D412
Compression Set 5.0 %
5.0 %
24 hours @ 70°C; ASTM D395
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 110 °C
230 °F
Minimum Service Temperature, Air -50.0 °C
-58.0 °F
-40.0 °C
-40.0 °F
Non-brittle after 3 minutes
Flash Point >= 300 °C
>= 572 °F
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