Precision Polymer Engineering R90B Natural Rubber

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Precision Polymer Engineering R90B Natural Rubber
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Natural Rubber, 85-95 °IRHD. This material is based on high-quality plantation (Hevea) rubber, reinforced with carbon black. Applications: Natural rubber offers low compression set, high tensile strength, high resilience and excellent resistance to tear and abrasion.
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Mechanical Properties	Metric	English	Comments

Hardness, Shore A	90	90	°IRHD; ASTM D1415
	75 - 105	75 - 105	°IRHD, ±15 change after 168 hours @ 70°C; ASTM D1415
Tensile Strength, Yield	8.00 MPa	1160 psi	ASTM D412
	5.60 - 10.4 MPa	812 - 1510 psi	±30% change after 168 hours @ 70°C; ASTM D412
Elongation at Break	100 %	100 %	-50% change after 168 hours @ 70°C; ASTM D412
	200 %	200 %	ASTM D412
Compression Set	50 % @Temperature 70.0 °C, Time 86400 sec	50 % @Temperature 158 °F, Time 24.0 hour	ASTM D395

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	100 °C	212 °F
Minimum Service Temperature, Air	-50.0 °C	-58.0 °F
Flash Point	>= 300 °C	>= 572 °F

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PPRECI173 / 57897

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