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DuPont Performance Polymers Kalrez® 8475 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 Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF DuPont Performance Polymers Kalrez® 8475 FFKM Perfluoroelastomer.pdf
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Material Notes:
Kalrez® Sahara™ 8475 has been specifically developed to meet the challenging requirements associated with sealing applications in semiconductor thermal processes (i.e., diffusion furnace, LPCVD, RTP, lamp anneal, etc.) It exhibits excellent thermal stability and long-term sealing performance, less IR absorption and significantly reduced outgassing properties at elevated temperatures. Kalrez® Sahara™ 8475 has good mechanical properties and is well-suited for static and low stress/low sealing force applications (e.g., quartz tube seals, ball joint seals, bell jar seals, plenum seals, etc.) A maximum continuous service temperature of 300°C is suggested. Ultrapure postcleaning and packaging is standard for all parts made of Compound 8475.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 M 72
72
ASTM D2240, D1414 (214 O-rings)
Tensile Strength, Ultimate 11.4 MPa
1650 psi
20 in/min; ASTM D412
Elongation at Break 225 %
225 %
20 in/min; ASTM D412
100% Modulus 0.00220 GPa
0.319 ksi
20 in/min; ASTM D412
Compression Set 45 %

@Temperature 300 °C
45 %

@Temperature 572 °F
70 hr; ASTM D395B & D 1414 (214 O-rings)
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