Greene Tweed CHEMRAZ® 618 Perfluoroelastomer

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Greene Tweed CHEMRAZ® 618 Perfluoroelastomer
Categories:	Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Chemraz®, a proprietary Greene, Tweed compound, has the broadest chemical resistance of any elastomeric material. Chemraz combines the resilience and sealing force of an elastomer with chemical resistance approaching that of PTFE. Chemraz designs last longer and seal better in harsh environments at a wider range of temperatures than any other elastomer on the market. Chemraz solves some of the most difficult sealing problems encountered in many industries while delivering outstanding in-use cost effectiveness through custom components. Information provided by Greene Tweed.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.99 g/cc	1.99 g/cc	ASTM D297

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	74	74	After 70hrs @347°F in AMS 3021
	75	75	ASTM D2240
Tensile Strength at Break	13.27 MPa	1925 psi	ASTM D1414
	13.80 MPa	2002 psi	After 70hrs @347°F in AMS 3021
Tensile Strength, Yield	2.55 MPa	370 psi	@50% Elongation; ASTM D1414
	8.791 MPa	1275 psi	@100% Elongation; ASTM D1414
Elongation at Break	126 %	126 %	After 70hrs @347°F in AMS 3021
	130 %	130 %	ASTM D1414
Compression Set	16 % @Temperature 230 °C, Time 252000 sec	16 % @Temperature 446 °F, Time 70.0 hour	ASTM D395

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	324 °C	615 °F
Minimum Service Temperature, Air	-17.8 °C	0.000 °F
Shrinkage	-0.400 % @Temperature 175 °C, Time 252000 sec	-0.400 % @Temperature 347 °F, Time 70.0 hour	in AMS 3021

Descriptive Properties
Color	Black

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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PGREEN25 / 42319

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