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Greene Tweed CHEMRAZÂ® 656 Perfluoroelastomer

Category	Polymer , Thermoset , Fluoropolymer, TS , Thermoset Fluoroelastomer , Rubber or Thermoset Elastomer (TSE)
Manufacturer	Greene Tweed
Trade Name	CHEMRAZ®
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Greene Tweed CHEMRAZÂ® 656 Perfluoroelastomer.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

ChemrazÂ® 656 is a low durometer perfluoroelastomer primarily designed for Bonded Slit Valve gates and special engineered applications such as low sealing forces/tolerance stickups where softer materials aid in the total seal solution. Developed from and advanced polymer utilizing fluoropolymer nano-composite technology particles, Chemraz 656 has very low metallic ion levels and offers resistance to todayâ€™s advanced process chemistries. Chemraz 656 is recommended for use in CVD, Etch and diffusion equipment applications.Applications:Bonded slit valve gatesChamber sealsWindow sealsGas inlet sealsLid sealsInformation provided by Greene Tweed.

Physical Properties	Metric	English	Comments
Specific Gravity	2.05 g/cc	2.05 g/cc	ASTM D297

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	70	70	ASTM D2240
Tensile Strength at Break	10.37 MPa	1504 psi	ASTM D1414
Tensile Strength, Yield	1.44 MPa	209 psi	@50% Elongation; ASTM D1414
	2.65 MPa	384 psi	@100% Elongation; ASTM D1414
Elongation at Break	238 %	238 %	ASTM D1414
Compression Set	24 %	24 %	70 hours @ 400Â°F (204Â°C) @ 25% deflection; ASTM D395

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	232 Â°C	450 Â°F
Minimum Service Temperature, Air	-20.0 Â°C	-4.00 Â°F

Descriptive Properties	Value	Comments
Color	Translucent

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