What Are FFKM O-Rings? FFKM (Perfluoroelastomer) is the highest-grade elastomer available for sealing applications. It combines the chemical resistance of PTFE with the elasticity of rubber, making it ideal for critical applications where standard Elastomer Fails. Key Benefits of FFKM O-Rings: Withstand temperatures up to 300–325°C Low Temperature Up to -42°C Exceptional resistance to acids, amines, ketones, steam, CIP/SIP media Excellent performance in plasma, vacuum & semiconductor processes Very low compression set for long seal life Suitable for aggressive chemicals where other elastomers degrade

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