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Greene Tweed CHEMRAZ® 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 CHEMRAZ® 656 Perfluoroelastomer.pdf
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Material Notes:
Chemraz® 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 today’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 @ 400°F (204°C) @ 25% deflection; ASTM D395
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 232 °C
450 °F
Minimum Service Temperature, Air -20.0 °C
-4.00 °F
Descriptive Properties Value Comments
Color Translucent
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