Types of Polymer

TRP Polymer Solutions offers the following types of polymers, which are specially formulated to meet your specifications regarding hardness, tensile strength, elongation at break, compression set and specific colours. For further information, please contact one of our technical experts today and we will be pleased to offer advice and guidance on the most effective polymeric material for your application.

Why choose TRP Polymer Solutions?

At TRP Polymer Solutions, we make it our goal to solve your most challenging problems. Whether you require the development of a brand-new product, or the overhaul of an existing one, we will work closely with you at every step of the process to develop an optimal sealing solution. That begins with choosing the right polymeric material, and at TRP Polymer Solutions we have a range of high performance materials to choose from.

The various types of polymers that we employ range from those that are suitable for extreme weathering and are flame retardant (Polyurethane), through to polymers that are made for low temperatures or are steam resistant (FKM, also referred to as Fluoroelastomer type 1). No matter what polymer you require, TRP Polymer Solutions has the optimal material to fit your application requirements.

Our range of polymeric materials

With so many different types of polymers available in today’s market, we appreciate that the selection process is not always straightforward. Which is why we have listed our full range of polymeric materials, and their full specifications below, to give you detailed overview of their characteristics. Here, you can find out the operating temperatures, hardness range, advantages, disadvantages and typical uses of each of our polymer materials.
Click on any of the polymers below to see further details on each one.

  • Butyl
    ISO 1629 IIR
    Operating Temperature -40°C to +120°C
    Hardness Range 40 to 90 IRHD

    Advantages

    Low gas permeation
    Excellent water resistance
    Good resistance to acids
    Good resistance to bases
    Good damping properties
    Good weather & sunlight resistance

    Disadvantages

    Poor oil resistance
    Poor fuel resistance

    Typical Use

    Inner tubes for tyres, bladders and protective

  • Chlorosulphonated rubber (CSM)
    ISO 1629 CSM
    Operating Temperature -40°C to +85°C
    Hardness Range 40 to 95 IRHD

    Advantages

    Excellent ozone and sunlight resistance
    Good resistance to oils
    Good resistance to acids
    Good abrasion resistance

    Disadvantages

    Poor resistance to fuels
    Poor steam resistance

    Typical Use

    Products required good weather resistance, flame retardant products, rollers

  • EPDM
    ISO 1629 EPDM
    Operating Temperature -50°C to +150°C
    Hardness Range 40 to 95 IRHD

    Advantages

    Excellent ozone and sunlight resistance
    Good resistance to compression set
    Excellent tear and abrasion resistance
    Excellent steam resistance
    Good resistance to acids

    Disadvantages

    Poor resistance to oils and non-polar solvents
    Poor fuel resistance

    Typical Use

    'O' rings, automotive cooling systems, window & glove box seals for nuclear applications, products required good weather resistance

  • Fluoroelastomer (Type I)
    ISO 1629 FKM
    Operating Temperature -10°C to +200°C
    Hardness Range 50 to 95 IRHD

    Advantages

    Good high temperature properties
    Excellent oil resistance
    Excellent ozone and sunlight resistance

    Disadvantages

    Poor low temperature properties
    Poor steam resistance
    Poor methanol resistance

    Typical Use

    General purpose seals for automotive & aerospace fuel applications

  • Fluoroelastomer (Type II)
    ISO 1629 FKM
    Operating Temperature -10°C to +200°C
    Hardness Range 50 to 95 IRHD

    Advantages

    Good high temperature properties
    Excellent oil resistance
    Excellent ozone and sunlight resistance

    Disadvantages

    Poor low temperature properties
    Poor steam resistance
    Limited methanol resistance

    Typical Use

    Seals, gaskets & 'O' rings for chemical processing, oil & fuel applications

  • Fluoroelastomer (Type III)
    ISO 1629 FKM
    Operating Temperature -25°C to +200°C
    Hardness Range 60 to 95 IRHD

    Advantages

    Good high temperature properties
    Improved low temperature properties
    Excellent oil resistance
    Good steam resistance
    Good methanol resistance
    Excellent ozone and sunlight resistance

    Disadvantages

    More expensive than other FKM grades

    Typical Use

    Seals, gaskets & 'O' rings for chemical processing, oil & fuel applications

  • Fluoroelastomer (Very low temperature)
    ISO 1629 FKM
    Operating Temperature -40°C to +200°C
    Hardness Range 60 to 95 IRHD

    Advantages

    Good high & low temperature properties
    Good resistance to acids and bases
    Excellent oil resistance
    Good methanol resistance
    Excellent ozone and sunlight resistance

    Disadvantages

    Lower chemical resistance than other high fluorine FKM grades
    More expensive than other FKM grades

    Typical Use

    Seals, gaskets & 'O' rings for chemical processing, oil & fuel applications where low temperature operation is a critical requirement

  • Fluorosilicone
    ISO 1629 FVMQ
    Operating Temperature -60°C to +200°C
    Hardness Range 25 to 90 IRHD

    Advantages

    Good high temperature properties
    Excellent low temperature properties
    Excellent ozone and sunlight resistance
    Excellent oil resistance

    Disadvantages

    Poor tensile strength & abrasion resistance
    High gas permeability

    Typical Use

    Medical applications, seals for aviation fuels

  • Hydrogenated Nitrile
    ISO 1629 HNBR
    Operating Temperature -25°C to +150°C
    Hardness Range 50 to 95 IRHD

    Advantages

    Excellent abrasion resistance
    Good resistance to oils
    Good ozone and sunlight resistance
    Good resistance to fuels

    Disadvantages

    Reduced low temperature performance compared to standard nitrile
    Poor steam resistance

    Typical Use

    'O' rings for oil & gas applications, packers, water stop seals

  • Natural rubber
    ISO 1629 NR
    Operating Temperature -45°C to +75°C
    Hardness Range 30 to 90 IRHD

    Advantages

    Excellent resistance to abrasion & resilience properties
    High tear strength & good compression set resistance
    Very good low temperature properties
    Strong bonding to metal

    Disadvantages

    Poor oil resistance
    Poor ozone and sunlight resistance
    Poor resistance to steam

    Typical Use

    Food seals, rubber to metal bonded items, rollers

  • Nitrile
    ISO 1629 NBR
    Operating Temperature -25°C to +100°C
    Hardness Range 40 to 95 IRHD

    Advantages

    Good resistance to oils and non-polar solvents
    Good resistance to compression set
    Good abrasion resistance
    Good resistance to acids

    Disadvantages

    Poor ozone and sunlight resistance
    Poor steam resistance

    Typical Use

    Oil resistant automotive, marine and aerospace applications. Rollers

  • Perfluoroelastomer (FFKM)
    ISO 1629 FFKM
    Operating Temperature -30°C to +330°C
    Hardness Range 65 to 95 IRHD

    Advantages

    Excellent high temperature properties
    Excellent chemical resistance
    Excellent oil resistance
    Excellent ozone and sunlight resistance

    Disadvantages

    Some grades have poor low temperature properties
    Material cost

    Typical Use

    Chemical processing equipment, valves, aerospace, motorsport & semiconductor applications

  • Polychloroprene rubber (Neoprene®)
    ISO 1629 CR
    Operating Temperature -30°C to +100°C
    Hardness Range 40 to 90 IRHD

    Advantages

    Good oil resistance
    Excellent ozone and sunlight resistance
    Good tear and abrasion resistance
    Good flame resistance
    Good acid resistance

    Disadvantages

    Poor resistance to compression set
    Poor steam resistance
    Poor fuel resistance

    Typical Use

    Products requiring good weather resistance, seals for refrigeration

  • Polyurethane
    ISO 1629 AU / EU
    Operating Temperature -35°C to +80°C
    Hardness Range 35 to 95 IRHD

    Advantages

    Excellent tear and abrasion resistance
    Good resistance to oils
    Excellent ozone and sunlight resistance
    Good low temperature properties

    Disadvantages

    Poor steam resistance
    Poor acid resistance

    Typical Use

    Products requiring good weather resistance, flame retardant products

  • PTFE / Elastomer composites
    ISO 1629 PTFE
    Operating Temperature -30°C to +200°C (depending upon elastomer core)
    Hardness Range 70 to 85 IRHD

    Advantages

    Excellent chemical resistance
    Easy of cleaning
    Excellent ozone and sunlight resistance
    Low friction
    Cost effective

    Disadvantages

    Some limitation on seal profiles
    Higher sealing force required than standard elastomer seals

    Typical Use

    Chemical processing equipment, valves, chemical transport, pump diaphragms

  • Silicone
    ISO 1629 MQ / VMQ
    Operating Temperature -60°C to +250°C
    Hardness Range 20 to 90 IRHD

    Advantages

    Excellent high and low temperature properties
    Good flame resistance
    Excellent ozone and sunlight resistance

    Disadvantages

    Poor tear strength & abrasion resistance
    High gas permeability
    Poor resistance to oils and non polar solvents

    Typical Use

    Medical applications, seals for food applications, electrical insulation

  • Styrene Butadiene Rubber (SBR)
    ISO 1629 SBR
    Operating Temperature -25°C to +90°C
    Hardness Range 40 to 95 IRHD

    Advantages

    Excellent abrasion resistance
    Good compression set resistance
    Good water resistance

    Disadvantages

    Poor ozone and sunlight resistance
    Poor steam resistance
    Poor oil resistance

    Typical Use

    Rollers and feed tyres

  • Tetrafluoroethylene/propylene dipolymer (Aflas®)
    ISO 1629 FEPM
    Operating Temperature -5°C to +200°C
    Hardness Range 70 to 90 IRHD

    Advantages

    Excellent high temperature properties
    Excellent resistance to acids and bases
    Excellent steam resistance
    Excellent resistance to sour gas (H₂S)
    Good oil resistance

    Disadvantages

    Poor low temperature resistance
    Poor compression set resistance
    Poor extrusion resistance at high temperatures

    Typical Use

    Seal, 'O' rings and packers for oil and gas applications, gaskets for chlorine and chlorate manufacture

For further information about what to consider when choosing types of polymers, please refer to our handy polymer selection FAQs.

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