FFKM Sealing Manufacturer

FLS(fluorosealing) specializes in the manufacture of FFKM (perfluoroelastomers), offering o-ring grades equivalent to DuPont Kalrez. All raw materials used in FLS FFKM products are sourced from abroad including DuPont / 3M / Daikin / Solvay. FLS FFKM sealing components deliver high quality at a lower price compared to Kalrez products, providing effective solutions in harsh environments such as high temperatures and plasma conditions. Each DuPont Kalrez item has a corresponding FLS FFKM equivalent. FLS is ISO 9001 certified and remains committed to quality management, research and development, production process optimization, and continuous improvement. FLS offers comprehensive vertical integration, including FFKM formulation design, rubber compounding, sealing component manufacturing, packaging, and quality control inspection. Our consistent service and dedicated team ensure excellent quality assurance and after-sales support. Our goal is to enhance customer satisfaction and deliver exceptional service. Please contact us for detailed information.

FLS FFKM replaces Kalrez and Chemraz

Proven through extensive customer use, FLS FFKM sealing products can fully replace other FFKM brands like Kalrez and Chemraz. With strong experience in Kalrez substitution, a wide range of standard molds, advanced R&D, and certifications, FLS helps customers choose the right materials and product designs with confidence.

FFKM Characteristic

FFKM O-rings are widely used in the semiconductor, display panel, and petrochemical industries. They are suitable for harsh environments such as etching, film processing, high temperatures, aggressive liquids, and strong acids and bases. ● Chemical Resistance
● Thermal Resistance
● High Purity

FFKM Expert

Material Equivalency

FFKM Expert

Uncompromising Purity & Unrivaled Performance