FFKM O-rings represent the pinnacle of perfluoroelastomer technology, offering unmatched chemical resistance across the widest temperature range of any elastomer. Combining the resilience of fluoroelastomers with complete fluorination, FFKM seals withstand aggressive chemicals that destroy standard FKM, silicone, or EPDM materials in seconds. https://globalsealstech.com/ffkm-seals/