Flexitallic Gasket Materials

Novus™ and Sigma® Gasket Materials

Based in West Yorkshire, AMG Sealing is a trusted supplier of a wide range of high-quality gasket materials. We stock an extensive selection of Flexitallic products, including Novus™ 5G compressed fibre, Sigma® PTFE, SF2800 aramid fibre, SF3300 aramid/inorganic fibre, and Flexicarb® graphite laminate.

Our expertise in gasket cutting and soft cut gasket manufacturing allows us to convert these materials into various forms such as flange table gaskets, picture frame gaskets, custom shapes, washers, and seals.

For assistance in choosing the right material for your specific application, please contact us with the following details. Our knowledgeable team is ready to provide expert guidance to ensure you select the optimal sealing solution.

  • Operating Temperature
  • Operating Pressure
  • Conveyant
  • Gasket Size and Details (For standard flanges, please refer to the flange gasket tables).

Below, you will find a comparison table and chemical resistance chart to support your selection process.

Compressed Fibre Novus™ 5G Gasket Materials

Novus™ 10
Novus™ 10

This carbon-reinforced compressed fibre gasket material incorporates a nitrile rubber binder, making it suitable for challenging high temperature and pressure conditions. It provides excellent resistance to steam, oil, fuel, refrigerants, and creep. Maximum Temperature: +425°C. Maximum Pressure: 100 bar.

View Product
Novus™ 30
Novus™ 30

Made from a blend of aramid and inorganic fibres combined with a high-quality rubber binder, Novus™ 30 is ideal for sealing hot and cold water, steam, oils, fuels, gases, and chemicals. Maximum Temperature: +400°C. Maximum Pressure: 100 bar.

 

View Product
Novus™ 34
Novus™ 34

Novus™ 34 combines aramid and inorganic fibres with specialised additives to deliver a premium sealing material suitable for diverse industrial applications. It performs reliably with oils, solvents, high-pressure steam, and gases. Maximum Temperature: +450°C. Maximum Pressure: 100 bar.

View Product
Novus™ 45
Novus™ 45

Composed of recycled and virgin synthetic fibres bonded with high-quality nitrile rubber, Novus™ 45 is commonly used for sealing oils, solvents, gases, water, low-pressure steam, and mild chemicals. Maximum Temperature: +300°C. Maximum Pressure: 60 bar.
 

View Product
Novus™ 49
Novus™ 49

Novus™ 49 features a high graphite content reinforced with aramid fibres and a nitrile rubber binder, delivering strong mechanical properties. It is widely applied in sealing oil, solvents, gas, and high-pressure steam. Maximum Temperature: +420°C. Maximum Pressure: 100 bar.

View Product

PTFE Sigma® Gasket Materials

Sigma® 500
Sigma® 500

This biaxially orientated PTFE sheet contains hollow glass fibres and holds FDA and WRAS approvals. It is an excellent choice for food, beverage, pharmaceutical, and chemical sectors requiring low bolt load sealing. Maximum Temperature: -250°C to +260°C. Maximum Pressure: 85 bar.

View Product
Sigma® 511
Sigma® 511

Sigma® 511 is a biaxially orientated PTFE sheet filled with silica, approved by WRAS and FDA. It is designed for sealing aggressive acids and chemicals, excluding hydrofluoric acid, alkali metals, fluorine gas, and hydrogen fluoride. Maximum Temperature: -250°C to +260°C. Maximum Pressure: 85 bar.

View Product
Sigma® 533
Sigma® 533

This PTFE-based material contains barium sulphate filler and performs effectively across the full pH spectrum, especially with strong alkalis (excluding molten alkali metals, fluorine gas, and anhydrous HF). Maximum Temperature: -250°C to +260°C. Maximum Pressure: 85 bar.
 

View Product

Aramid Fibre Gasket Materials

SF2800 Aramid Fibre Sheet
SF2800 Aramid Fibre

Manufactured from a blend of aramid fibres and premium nitrile rubber, SF2800 delivers strength and adaptability, making it an excellent choice for gasket conversion. It complies with BS7531 Grade Y and WRAS for potable water applications. Maximum Temperature: -100°C to +225°C. Maximum Pressure: 51 bar.

View Product
SF3300 Aramid/Inorganic Fibre Sheet
SF3300 Aramid/Inorganic Fibre

SF3300 is a premium sealing sheet combining aramid and inorganic fibres with nitrile rubber, free from asbestos, and suitable for diverse industrial applications. It meets BS7531 Grade X and WRAS standards. Maximum Temperature: -40°C to +250°C. Maximum Pressure: 51 bar.

View Product

Flexicarb® Graphite Laminate Gasket Materials

RGS3 Flexicarb® Graphite Sheet
RGS3 Graphite Laminate

This high-purity graphite laminate incorporates a tanged stainless steel core, offering excellent blowout resistance and suitability for moderate temperature and pressure environments. It is durable but not recommended for use with strong oxidising agents. Maximum Temperature: -200°C to +350°C. Maximum Pressure: 51 bar.

View Product
RGS4 Flexicarb® Graphite Sheet
RGS4 Graphite Laminate

Comprising 98% pure graphite foils reinforced with 0.05mm stainless steel, this laminate delivers enhanced durability for demanding applications. It is suitable for gasket conversion and compatible with flat and raised face flanges. Maximum Temperature: 370°C (oxidising), 700°C (inert/reducing). Pressure rating: up to PN100.

View Product

Technical Specification