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Greene Tweed CHEMRAZ® 520 Perfluoroelastomer

Category Polymer , Thermoset , Fluoropolymer, TS , Thermoset Fluoroelastomer , Rubber or Thermoset Elastomer (TSE)
Manufacturer Greene Tweed
Trade Name CHEMRAZ®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Greene Tweed CHEMRAZ® 520 Perfluoroelastomer.pdf
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Material Notes:
Chemraz® 520 is recommended for a wide variety of semiconductor equipment dry processing applications where seal reliability with minimal contaminations is required. Additionally, Chemraz 520 offers excellent performance history in static and dynamic plasma and diffusion processes as well as static photolithography processes. Chemraz 520 is formulated for use in high sealing load applications and where temperatures do not exceed 240°C (464°F). Due to the hardness of this material, low-temperature applications may require smoother hardware surface finishes of 10 micro inches (Ra) and below.Applications:Door sealsSlit valvesIsolator valve seatsLid SealsGas inlet sealsKF fitting sealsInformation provided by Greene Tweed.
Physical Properties Metric English Comments
Specific Gravity 2.10 g/cc
2.10 g/cc
ASTM D297
Mechanical Properties Metric English Comments
Hardness, Shore A 90
90
ASTM D2240
Tensile Strength at Break 13.4 MPa
1950 psi
ASTM D1414
Tensile Strength, Yield 6.83 MPa
990 psi
@ 50% Elongation; ASTM D1414
12.3 MPa
1780 psi
@100% Elongation; ASTM D1414
Elongation at Break 110 %
110 %
ASTM D1414
Compression Set 35 %
35 %
70 hours @ 400°F (204°C) @ 25% deflection; ASTM D395
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 240 °C
464 °F
Minimum Service Temperature, Air -30.0 °C
-22.0 °F
Descriptive Properties Value Comments
Color White
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