Precision Polymer Engineering C70M Chloroprene Rubber

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Precision Polymer Engineering C70M Chloroprene Rubber
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE); Chlorosulfonated Polyethylene Rubber
Material Notes:	Chloroprene Rubber, 66-75 °IRHD. Formulated to meet British Standard BS2752 grade C70. Applications: A versatile rubber with good compression set properties, giving moderate resistance to petroleum based oils, ozone and weather.
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Mechanical Properties	Original Value	Comments

Hardness, Shore A	68	°IRHD; ASTM D1415
	72	°IRHD, +4 change after 168 hours @ 70°C; ASTM D1415
Tensile Strength, Yield	10.96 MPa	ASTM D412
	11.234 MPa	2.5% change after 168 hours @ 70°C; ASTM D412
Elongation at Break	289.75 %	-5% change after 168 hours @ 70°C; ASTM D412
	305 %	ASTM D412
Compression Set	11 % @Temperature 70.0 °C, Time 86400 sec	ASTM D395

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	125 °C
Minimum Service Temperature, Air	-35.0 °C
	-30.0 °C	Non-brittle after 3 minutes
Flash Point	>= 260 °C

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