PRODUCT DESCRIPTION
FFKM FLS-7750W is one of the perfluoroelastomer, which is designed for the
semiconductor of wet etching process and has the same quality with Kalrez FFKM product, which is mainly used in acid and base liquid
resistance in chemical factory and petrochemical industry, and high temperature
steam. FFKM FLS-7750W has chemical resistance can perform the remarkable and stable
properties, please check the following comparison sheet with Kalrez 6221.
FFKM FEATURE & BENEFITS
Maximum continuous
using temperature can be 250℃
Long time, stable
and outstanding sealing performance
Excellent 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
Comparison Sheet with Kalrez
Comparison Sheet with Kalrez
|
|
Physical Properties
|
FFKM
FLS-7750W
|
Kalrez® 6221
|
Hardness, Shore A
|
73
|
70
|
|
Color
|
White
|
White
|
|
100% Modulus, psi
|
654
|
1049
|
|
Tensile Strength at Break, Mpa
|
10.3
|
15.16
|
|
Elongation at Break, %
|
191
|
150
|
|
Compression Set, % (70hr at 200°C)
|
25.2
|
27
|
|
Maximum Service Temperature (°C)
|
250
|
260
|