DONIT TESNIT® Non-Asbestos Gasket Materials

High-performance compressed fibre gasket sheets for industrial sealing applications

DONIT TESNIT® compressed non-asbestos gasket materials are engineered to provide reliable sealing performance across a wide range of industrial, marine, utility and process applications. Manufactured from high-quality aramid fibres, inorganic fillers and NBR binders, these materials offer an excellent combination of thermal, chemical and mechanical resistance.

Our TESNIT® range includes solutions for general-purpose sealing, gas and potable water systems, steam service, heating systems, pumps, compressors and high-temperature industrial applications. Whether you require a cost-effective gasket sheet for less demanding duties or a premium material for elevated temperatures and pressures, DONIT TESNIT® provides a proven sealing solution.

By utilising our in-house cutting facilities, we can convert all materials into TESNIT® gaskets. Standard gaskets and sheet materials are also available to purchase online at PAR Direct.

Why choose DONIT TESNIT®?

• Compressed non-asbestos gasket materials
• Excellent thermal and chemical resistance
• High mechanical strength and sealing reliability
• Suitable for gas, steam and potable water services
• Available with graphite or PTFE surface finishes
• Wide range of sheet sizes and thicknesses
• Materials with DNV, WRAS, DVGW, API 607, ISO 10497 and other international approvals

Need help selecting the right material?

Choosing the correct gasket material depends on the media, temperature, pressure, flange design and required approvals. Our technical team can help you select the most suitable TESNIT® grade for your application and provide guidance on sheet thickness, surface finish and gasket design.

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