Despite strengths, FFKM seals' high cost—up to 100x nitrile—limits use to essentials. Processing requires high temperatures, complicating molding. Limited suppliers create lead-time risks. In very low temps below -55°C, flexibility drops. Swelling in supercritical CO2 is a niche drawback. Maintenance of equipment handling fluoromonomers demands expertise. Weighing these against benefi... https://globalsealstech.com/ffkm-seals/