Non-Asbestos Gasket Materials

Non-Asbestos Fibre materials are so-called because they fill the gap in the range of gasket materials previously occupied by asbestos. Asbestos, although considered to be a dangerous material, had excellent heat resistance properties, which is why it was utilised so widely in high temperature applications. When asbestos was outlawed, replacement materials were needed; so these asbestos-free, or non-asbestos, materials were developed to perform the same function, but without the corresponding problems.

These materials are now commonly comprised of aramid fibre (Kevlar), carbon and other non-organic fibres, which are in turn blended with different polymers to meet different applications: most commonly nitrile rubber, for fuel and oil resistance. These materials can also be graphite coated for non-stick and steam resistance, mixed with PTFE for excellent chemical resistance or with EPDM for potable water applications.

Common Industries Utilising Non-Asbestos Fibre:

  • Oil and Gas
  • Chemical Processing
  • Petrochemical Industry
  • Process Industry

General Properties of Non-Asbestos Materials

Non-asbestos materials generally have very good heat resistant properties. They are also good for use in applications that put them into contact with water, petrol or natural gas.

As such, non-asbestos materials are used in air compressors, diesel engines, pipelines and many other general industrial and marine environments.

We stock Novus (Flexitallic) and Klinger and Garlock non-asbestos materials.

Many grades can be used up to 100 Bar and 450ºC.

Novus

We manufacture novus gaskets from materials such as: N30, N34, N49 (graftec) and N10 (acid).

Novus generally exhibits good resistance to acids, most oils and most fuels.

Novus is manufactured in numerous grades to meet the British standards BS 57531X and Y.

Novus Specification and Technical Details

As a general rule, Novus:

  • Is good for use with water and petrol
  • Has good impermeability to gas
  • Exhibits good recovery

 

  • Supplier: RAM Gasket Solutions
  • Condition: New
  • Thicknesses Available: 0.4mm, 0.5mm, 0.8mm, 1.5mm, 2mm, 3mm
  • Sheet Size Available: 1.5M x 2M sheets

Klinger®

We manufacture Klinger® gaskets from materials such as: C4400, C4430, C4324, C4500 as well as other grades.

Klinger® generally exhibits good resistance to acids, most oils and most fuels.

Klinger® is manufactured in numerous grades to meet the British standards BS 57531X and Y.

Klinger® Specification and Technical Details

As a general rule, Klinger®:

  • Exhibits good recovery
  • Exhibits good resistance to oils, solvents, gases, steam and many dilute acids and alkalis
  • Has excellent bolt stress retention properties
  • Has excellent sealing performance
  • Has good impermeability to gas
  • Is easy to remove
  • Is easy to handle/install
  • Is good for use with water and petrol
  • Non-stick

 

  • Supplier: RAM Gasket Solutions
  • Condition: New
  • Thicknesses Available: 0.4mm, 0.5mm, 0.8mm, 1mm, 1.5mm, 2mm, 3mm
  • Sheet Size Available: 2M x 1.5M sheets

Is Non-Asbestos the Best Material for my Application?

If you are unsure as to which material is best for your application then you can consult our guide to gasket materials. Material specifications can be downloaded from the links at the top of this page.

Alternatively, we are always happy to offer technical help and advice so if you require assistance please do not hesitate to contact us.

    Our Commitment to Quality

    We pride ourselves on our commitment to quality and we are certified to:

    • BSI ISO 9001: 2015
    • BSI ISO 14001: 2015

    We hold the ADS SC21 Bronze Award certification for supplying into the defence and aerospace industries.

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