Precision Polymer Engineering C40M Chloroprene Rubber

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Precision Polymer Engineering C40M Chloroprene Rubber
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE); Chlorosulfonated Polyethylene Rubber
Material Notes:	Chloroprene elastomer, 36-45 °IRHD. Formulated to BS 2752 grade C40. 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	Metric	English	Comments

Hardness, Shore A	38	38	°IRHD; ASTM D1415
	44	44	°IRHD, +6 change after 168 hours @ 70°C; ASTM D1415
Tensile Strength, Yield	12.68 MPa	1839 psi	-0.5% change after 168 hours @ 70°C; ASTM D412
	12.74 MPa	1848 psi	ASTM D412
Elongation at Break	476.19 %	476.19 %	-1% change after 168 hours @ 70°C; ASTM D412
	481 %	481 %	ASTM D412
Compression Set	33 % @Temperature 70.0 °C, Time 86400 sec	33 % @Temperature 158 °F, Time 24.0 hour	ASTM D395

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	125 °C	257 °F
Minimum Service Temperature, Air	-40.0 °C	-40.0 °F
	-40.0 °C	-40.0 °F	Non-brittle after 3 minutes
Flash Point	>= 260 °C	>= 500 °F

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PPRECI029 / 57753

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