Material Options

SEALS

Material Options

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Compare seal and gasket materials — NBR, FKM, EPDM, FFKM, PTFE & engineering thermoplastics — by temperature, chemical resistance & typical use.

Choosing the right material is the difference between a seal that lasts for years and one that fails within weeks. This guide summarizes the operating temperature range, chemical compatibility, and typical applications for the elastomers, PTFE, and thermoplastics we supply — including NBR, HNBR, FKM, FFKM, AFLAS, EPDM, Neoprene, Fluorosilicone, PTFE, UHMWPE, Nylon, PVC, POM, and Bakelite. Use this page as a quick reference, or contact our technical team for a specific application recommendation.

Choosing the Right Sealing Material

Selecting the correct sealing material is essential for achieving maximum performance, durability, and reliability. The ideal material depends on several operating conditions, including temperature, pressure, media compatibility, movement, and environmental exposure.

PM offers a comprehensive range of elastomers and engineering plastics to meet the requirements of industries such as Oil & Gas, Chemical Processing, Food & Beverage, Pharmaceutical, Automotive, Marine, Aerospace, Water Treatment, and Heavy Engineering.

Materials

NBR (Nitrile Rubber)

Best for hydraulic oils, fuels, grease, and general industrial applications. Commonly used in hydraulic systems, pumps, valves, and automotive equipment.

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Materials

HNBR (Hydrogenated Nitrile Rubber)

Offers improved heat, ozone, and wear resistance. Ideal for automotive, oil & gas, compressors, and heavy-duty hydraulic systems.

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Materials

FKM (Fluorocarbon)

Excellent for high temperatures, oils, fuels, and aggressive chemicals. Widely used in chemical processing, aerospace, automotive, and industrial pumps.

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Materials

FFKM (Perfluoroelastomer)

Premium material with exceptional chemical and temperature resistance. Used in semiconductor, pharmaceutical, aerospace, and chemical industries.

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Materials

EPDM

Highly resistant to water, steam, ozone, and weathering. Suitable for water treatment, HVAC, food processing, and pharmaceutical applications.

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Materials

Silicone (VMQ)

Excellent flexibility at high and low temperatures. Commonly used in food, medical, and electrical applications.

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Materials

Fluorosilicone (FVMQ)

Combines silicone flexibility with fuel and oil resistance. Ideal for aerospace, aviation, and automotive fuel systems.

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Materials

Neoprene (CR)

Good resistance to weather, refrigerants, and moderate oils. Used in HVAC, marine, electrical, and general industrial equipment.

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Materials

AFLAS®

Designed for high-temperature steam, sour gas, amines, and aggressive chemicals. Commonly used in oil & gas and chemical processing industries.

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Materials

AED Compounds

Engineered for high-pressure gas applications to resist explosive decompression. Ideal for offshore, subsea, natural gas, and hydrogen systems.

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Materials

Polyurethane (PU)

High wear and abrasion resistance. Best for hydraulic seals, heavy machinery, mining, and construction equipment.

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Materials

PTFE

Excellent chemical resistance with ultra-low friction. Used in chemical plants, food processing, pumps, valves, and high-performance sealing applications.

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Materials

PEEK

Premium engineering plastic with high strength and heat resistance. Suitable for aerospace, medical, oil & gas, and precision engineering.

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Materials

UHMWPE

Outstanding abrasion resistance and low friction. Used in conveyors, wear strips, food processing, and material handling systems.

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Materials

Polyamide (PA/Nylon)

Strong and durable engineering plastic for gears, bushes, bearings, rollers, and industrial machinery.

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Materials

Polyacetal (POM)

Excellent dimensional stability and low friction. Used in precision gears, bearings, valves, and automation equipment.

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Materials

PVC

Chemical and corrosion-resistant material for pipelines, tanks, water treatment systems, and electrical insulation.

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Materials

Bakelite

Heat-resistant electrical insulating material used in switchgear, transformers, electrical panels, and industrial insulation components.

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