PRODUCT DESCRIPTION
FFKM FLS-7800B is one of the perfluoroelastomers, which is designed for the semiconductor of wet etching process, which is mainly used in acid and base liquid resistance in chemical factory and petrochemical industry, and high temperature steam. FFKM FLS-7800B has chemical resistance which can perform the remarkable and stable properties, please check the following comparison sheet with Kalrez 1050LF.
FFKM FEATURE & BENEFITS
Maximum continuous using temperature can be 250℃
Long time, stable and outstanding high temperature sealing performance
Excellent perfluoroelastomer physical properties
Perfect chemical resistance
RECOMMENDED APPLICATIONS
Chamber, Lid seals
Fitting Seals
Gas Inlet, Outlet Seals
Valve Seals
RECOMMENDED PROCESS
Chamber
Chemical liquid and steam transmission
Wet Etching
Control Valve
FFKM Comparison Sheet with Kalrez
FFKM Comparison Sheet with Kalrez
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Physical Properties
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FFKM
FLS-7800B
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Kalrez®1050LF
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Hardness, Shore A
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80
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82
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Color
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Black
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Black
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100% Modulus, psi
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1603
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1799
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Tensile Strength at Break, Mpa
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18.2
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18.6
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Elongation at Break, %
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148.6
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125
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Compression Set, % (70hr at 200°C)
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24.4
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35
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Maximum Service Temperature (°C)
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250
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288
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