Rubber Gasket Materials
A Quick Look Guide to Gasket Materials, Properties & Applications
Neoprene Gaskets
Key Properties: Our best seller, neoprene gaskets are a good general purpose product with moderate to good properties in many areas. Stocked in a large array of thicknesses. Good mechanical properties, weather and wear resistance. Good bonding strength. Moderate chemical and oil resistance. Relatively low cost & also available in food quality grades.
Typical Applications: General purpose gaskets requiring a good combination of mechanical and weather resistant properties.
Insertion Rubber Gaskets
Key Properties: A low cost rubber reinforced with a cloth weave to reduce the likelihood of tearing. Excellent wear resistance. Good bonding strength. Not as ideally suited to mechanical, weathering and chemical resistance requiring applications.
Typical applications: Applications where low cost and high wear resistance are key requirements, e.g. agricultural machinery, washers, gaskets, sleeves and skirts.
Nitrile Rubber Gaskets
Key Properties:
Excellent resistance to oils and fuels. Good bonding strength. Not well suited for ozone and weather resistance. Good bond strength.
Typical Applications: Gaskets where the rubber regularly encounters oils and/or fuels, e.g. fuel tank seals, gearboxes etc.
Nitrile Cork Gaskets
Key Properties: A cork and nitrile mix material, this material is oil and fuel resistant and as such is widely used as a gasket material in mechanical and electrical equipment. Poor tear strength so usually used where it will remain under compression.
Typical Applications: electric motors, valve (rocker) covers, inspection hatches etc.
Silicone Gaskets
Key Properties: A rubber which exhibits good elasticity over a larger temperature range than the more standard rubbers. Excellent resistance to many chemicals. Available in food quality and magnetically detectable grades.
Typical Applications: Food processing equipment e.g. washers, gaskets, scrapers, curtains and seals. Automotive, medical, household & leisure.
EPDM Gaskets
Key Properties: Excellent weathering properties, ozone and oxidation resistance. Can be difficult to bond.
Typical Applications: Long life outdoor applications e.g. marine and automotive. Extensively used in the water industry in WRAS accredited form.
Shot Blast Rubber Gaskets
Key Properties: Made from natural latex. Available in tan (natural) and black colour variants. Shot blast rubber has very high elasticity and elongation before break. Good bonding strength.
Typical Applications: Where there is a requirement for high shock absorption or wear applications, e.g. chute linings, scraper blades, washers & gaskets.
Viton Rubber Gaskets
Key Properties: An extremely high-performance elastomer. Typically used in high temperature and/or chemically aggressive environments. Excellent weathering properties.
Typical Applications: Washers, seals and gaskets extensively used in the aerospace, automotive, chemical, oil, gas and petroleum industries.
PVC Gaskets
Key Properties: Low cost, transparent.
Typical Applications: Typically used in curtains for commercial and industrial applications; entrances, exits and loading bays. However, can be used to manufacture low cost washers and spacers for non-food applications.
EPDM Foam Gaskets
Key Properties: Closed cell foam – water resistant, lightweight, durable for a foam
Typical Applications: Gaskets, Dust Seals, Hatch seals, Door Seals, Packaging, Anti vibration applications, Sound cladding.
Neoprene/EPDM Foam Gaskets
Key Properties: High compressibility, closed cell foam – water resistance, adhesive backed
Typical Applications: Low cost washers, gaskets and seals
KLINGERsil Gaskets
Key Properties: An economic non-asbestos semi rigid gasket material. Good oil, chemical, low pressure steam and water resistance. Low mechanical strength requires careful handling.
Typical Applications: Extensively used for flange gaskets in the chemical and petrochemical sectors amongst others.
PTFE Gaskets
Key Properties: Very high resistance to most chemicals, very wide temperature range, low friction, high electrical resistance.
Typical Applications: washers and gaskets in the chemical industries. Machined parts where low friction is required.
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