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Chemraz-555 — Ffkm

Elastomer
Ffkm
Grade Or Variant
Chemraz 555
Acid Resistance
Excellent
ASTM Designation
Ffkm (ASTM D1418)
Chemical Resistance Notes
Superior High-Temperature capability; Broad Chemical resistance; 22H Cs at 204C = 12.5%
Common Name
Chemraz 555
Compression Set Pct (%)
21.6
Compression Set Temp C
204
Compression Set Time Hr
70
Density G CM3 (g/cm3)
2.00
Elongation at Break Pct (%)
165
Fluorine Content Pct (%)
>70
Fuel Resistance
Excellent
Gas Permeability
Very Low
Hardness Range Shore a
80
Max Continuous Temp C (C)
316
Max Service Temp C (C)
316
Min Service Temp C (C)
-12
Oil Resistance
Excellent
Ozone Resistance
Excellent
Tensile Strength Mpa (MPa)
21.9
FFKM — grade or variant Chemraz_555 · chemical resistance notes Superior high-temperature capability; broad chemical resistance; 22h CS at 204C… · common name Chemraz 555 · tensile strength mpa 21.9 MPa · elongation at break pct 165 % | Elastomer Service Properties | Engineering Database