Precision Polymer Engineering E70H Ethylene Propylene Rubber

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Precision Polymer Engineering E70H Ethylene Propylene Rubber
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Peroxide cured, white Ethylene Propylene Terpolymer, 66-75 °IRHD. Terpolymer of ethylene, propylene and diene monomers. Formulated using only those ingredients determined by the United States Federal Food and Drug Administration (FDA) to be in accordance with Code of Federal Regulations Title (CFR21), Section 177.2600. Extraction tested in distilled water. Also complies with the requirements of USP 25, NF20, 2002, Class 6. Applications: Excellent water and steam resistance with good compression set properties. Heat and chemical resistance is superior to that of sulphur cured EPDM. Not oil resistant.
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Mechanical Properties	Metric	English	Comments

Hardness, Shore A	70	70	°IRHD; ASTM D1415
	75	75	°IRHD, +5 change after 70 hours @ 100°C; ASTM D1415
Tensile Strength, Yield	4.75 MPa	689 psi	-5% change after 70 hours @ 100°C; ASTM D412
	5.00 MPa	725 psi	ASTM D412
Elongation at Break	297.5 %	297.5 %	-15% change after 70 hours @ 100°C; ASTM D412
	350 %	350 %	ASTM D412
Compression Set	25 % @Temperature 100 °C, Time 86400 sec	25 % @Temperature 212 °F, Time 24.0 hour	ASTM D395

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	150 °C	302 °F
Minimum Service Temperature, Air	-40.0 °C	-40.0 °F
	-40.0 °C	-40.0 °F	Non-brittle after 3 minutes
Flash Point	>= 200 °C	>= 392 °F

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes	See notes for details.

Descriptive Properties
Extraction Test, 21 CFR 177.2600	pass		Distilled Water
	pass		n-Hexane

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PPRECI057 / 57781

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