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DuPont Performance Polymers Kalrez® 7075 FFKM Perfluoroelastomer

Category Polymer , Thermoset , Fluoropolymer, TS , Thermoset Fluoroelastomer , Rubber or Thermoset Elastomer (TSE)
Manufacturer DuPont Performance Polymers (Former DuPont Elastomers)
Trade Name Kalrez®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF DuPont Performance Polymers Kalrez® 7075 FFKM Perfluoroelastomer.pdf
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Material Notes:
Kalrez® Spectrum™ 7075 is designed specifically for the needs of the chemical processing industry. Compound 7075 broadens the family of Spectrum™ sealing options with a compound that has enhanced physical performance properties including very low compression set and improved seal force retention. To provide even greater sealing performance in dynamic applications where low friction is required, 7075 O-rings have a glossier finish than other Kalrez® parts. Kalrez® Spectrum™ 7075 is designed for general purpose use as an O-ring or custom-sealing component in the chemical and hydrocarbon processing industries. It is a carbon-black filled compound with mechanical properties designed for improving sealing performance in temperature cycling applications. 7075 has improved thermal resistance that extends maximum service temperature to 327°C. It is recommended that in each application the chemicals, service temperature and pressure be reviewed for the optimal compound selection.Information provided by manufacturer.This former DuPont Dow Elastomers product line is now produced by DuPont Performance Elastomers.
Mechanical Properties Metric English Comments
Hardness, Shore A 70 - 80
70 - 80
Tensile Strength, Ultimate 17.9 MPa
2600 psi
Elongation at Break 160 %
160 %
100% Modulus 0.00760 GPa
1.10 ksi
500 mm/min; ASTM D412
Compression Set 12 %

@Temperature 204 °C
12 %

@Temperature 399 °F
70 hr; ASTM D345B, pellets
15 %

@Temperature 204 °C
15 %

@Temperature 399 °F
70 hr; ASTM D395B, O-rings
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 327 °C
621 °F
Minimum Service Temperature, Air -20.0 °C
-4.00 °F
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