Precision Polymer Engineering N70W Nitrile Rubber

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Precision Polymer Engineering N70W Nitrile Rubber
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	White Nitrile Butadiene Rubber (NBR), 66-75 °IRHD. Copolymer of acrylonitrile and butadiene. 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 21 (CFR21), Section 177.2600 and Section 180.22. Water, Hexane and acrylonitrile extraction tested. Applications: For repeated use in equipment associated with the production of aqueous and fatty foodstuffs intended for human consumption.
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Mechanical Properties	Metric	English	Comments

Hardness, Shore A	70	70	°IRHD; ASTM D1415
	55 - 85	55 - 85	°IRHD, ±15 change after 70 hours @ 100°C; ASTM D1415
Tensile Strength, Yield	11.2 MPa	1620 psi	-20% change after 70 hours @ 100°C; ASTM D412
	14.0 MPa	2030 psi	ASTM D412
Elongation at Break	150 %	150 %	-40% change after 70 hours @ 100°C; ASTM D412
	250 %	250 %	ASTM D412
Compression Set	50 % @Temperature 100 °C, Time 86400 sec	50 % @Temperature 212 °F, Time 24.0 hour	ASTM D395

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	120 °C	248 °F
Minimum Service Temperature, Air	-40.0 °C	-40.0 °F
	-40.0 °C	-40.0 °F	Non-brittle after 3 minutes
Flash Point	>= 300 °C	>= 572 °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
	pass		Acrylonitrile monomer

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PPRECI195 / 57919

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