Material

Temperature Range (°C)

Key Properties

Applications

FFKM

-15 to +327

Unmatched chemical and thermal resistance

Aggressive acids, bases, solvents, CIP/SIP

PTFE

-200 to +260

Chemically inert, non-stick, low friction

Static seals in chemical reactors and pumps

FKM

-20 to +200

Good resistance to many chemicals & solvents

Chemical process lines, valves, fittings

EPDM

-50 to +150

Steam, water, and polar chemical resistance

Water treatment, peroxide, caustics, oxidizers

FFKM

-15 to +315

Designed for high purity and aggressive media

Pharma, semiconductor, and ultra-pure chemicals

HNBR

-40 to +150

Good mechanical properties, moderate chemical resistance

Pumps, mechanical seals, chemical transport