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AFLAS™ FFKM is a fully fluorinated elastomer made from tetrafluoroethylene (C2F4) and perfluoromethyl vinyl ether (C2F3-ORf). As a type of perfluoroelastomer (FFKM), it offers excellent resistance to chemicals, heat, and plasma, as well as superior mechanical strength and compression set characteristics. It is used in harsh environments requiring high purity, heat resistance, and chemical resistance.
AFLAS™ FFKM Functions and Features
Heat resistance/ Chemical resistance/ High purity
It offers the highest level of heat and chemical resistance among fluoro-elastmer, enabling use in environments where FKM or FEPM are difficult to operate. Manufactured under clean conditions, it is also suitable for semiconductor manufacturing processes that require low metal leaching.
UL 2809 Environmental Claim Validation Achieved
This indicates that the usage ratio of recycled fluorspar is verified by a third-party organization. It contributes to reducing customers’ consumption of virgin raw materials.
Surfactant and fluorinated polymerization solvent free grades
AGC launches “AFLAS™ FFKM” SF grades, which are manufactured entirely without the use of any surfactants or fluorinated polymerization solvents.
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AFLAS™ FFKM Usage
AFLAS™ FFKM is used in the most demanding applications including semiconductor processes, chemical processing, and oil and gas extraction.
AFLAS™ FFKM Usage
The following is an introduction of the major uses of AFLAS™ FFKM
Semiconductor Process Sealing Materials
AFLAS™ FFKM is used in seals for semiconductor manufacturing equipment where high plasma resistance, high purity, and minimal outgassing are required.
Sealing Materials for Chemical and Oil & Gas Plants
AFLAS™ FFKM is also used in sealing materials exposed to strong acids, amines, and high temperatures, as found in chemical and petroleum processing facilities.
Technical Data Sheet
Please download the various properties of AFLAS FFKM from the link below.
AFLAS™ FFKM SF-5500
AFLAS™ FFKM SF-5000
AFLAS™ FFKM SF-3000
FFKM
※PM Grades: Raw Rubber
CP Grades: Pre Compound
AFLAS™ Product Lineup
Inquiries about this Product
We also accept requests for samples, and consultations regarding introduction and verification support.



































