Precision Polymer Engineering E70A Ethylene Propylene Rubber

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Precision Polymer Engineering E70A Ethylene Propylene Rubber
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Blue, Ethylene Propylene Terpolymer (EPT), 65-75 °IRHD. Terpolymer of ethylene, propylene and diene monomers. Formulated using only those ingredients determined by the United States Food and Drug Administration (FDA), in accordance with Code of Federal Regulations Title 21 (CFR21), Section 177.2600. ASTM & ISO designation = EPDM. Applications: Formulated for repeated use with aqueous foodstuffs intended for human consumption. Not suitable for use with fatty foodstuffs.
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Mechanical Properties	Metric	English	Comments

Hardness, Shore A	70	70	°IRHD; ASTM D1415
	80	80	°IRHD, +10 change after 70 hours @ 100°C; ASTM D1415
Tensile Strength, Yield	4.50 MPa	653 psi	-25% change after 70 hours @ 100°C; ASTM D412
	6.00 MPa	870 psi	ASTM D412
Elongation at Break	112.5 %	112.5 %	-25% change after 70 hours @ 100°C; ASTM D412
	150 %	150 %	ASTM D412
Compression Set	25 % @Temperature 70.0 °C, Time 79200 sec	25 % @Temperature 158 °F, Time 22.0 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.

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