DURASILE AF-HT (Non-Metallic) High-Temperature Non-Asbestos Gasket Sheet Compressed Non-Asbestos Fibre (CNAF) Gasket Material for High-Performance Industrial Sealing Applications DURASILE AF-HT is a premium-grade high-temperature compressed non-asbestos (CNAF) gasket material engineered for demanding industrial applications. Designed to deliver exceptional thermal and chemical resistance, it is ideal for sealing in power plants, oil & gas industries, sugar mills, and chemical processing units. This high-strength material provides reliable sealing under elevated temperatures and pressures in compressors, pumps, transmission systems, gas meters, internal combustion engines, and pipeline assemblies.

DURASILE AF-HT (Non-Metallic) High-Temperature Non-Asbestos Gasket Sheet

Compressed Non-Asbestos Fibre (CNAF) Gasket Material for High-Performance Industrial Sealing Applications

Product Overview:

DURASILE AF-HT is a premium-grade high-temperature compressed non-asbestos (CNAF) gasket material engineered for demanding industrial applications. Designed to deliver exceptional thermal and chemical resistance, it is ideal for sealing in power plants, oil & gas industries, sugar mills, and chemical processing units. This high-strength material provides reliable sealing under elevated temperatures and pressures in compressors, pumps, transmission systems, gas meters, internal combustion engines, and pipeline assemblies.

Key Features & Applications:

High-performance non-asbestos gasket sheet for thermal insulation and sealing

Excellent resistance to high temperatures, steam, oil, fuels, and gases

Suitable for use in compressors, apparatus housings, boilers, and pipeline joints

Commonly used in chemical processing, power generation, and general industrial maintenance

Reliable sealing under high temperature and medium pressure conditions

Material Composition:

DURASILE AF-HT is manufactured using a reinforced blend of aramid fibres and mineral fibres, bonded with durable nitrile rubber (NBR). The material is produced through a hot calendaring process, ensuring dimensional stability, mechanical strength, and uniform performance across all sheets. The production process complies with stringent ISO 9001 quality standards, offering consistent, reliable performance in critical industrial sealing environments.

Standards & Compliance:

Complies with BS 7531 Grade X

ASTM F104 Specification: F719911A9B3E19M6

Manufactured under a certified ISO 9001 quality management system

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Advantages:

High temperature resistance ideal for steam and engine applications

Excellent sealing performance under dynamic mechanical and thermal stress

Non-asbestos composition safer, modern alternative to traditional gasket materials

Durable and oil-resistant compatible with a wide range of industrial fluids Ideal for medium-to-high temperature sealing applications across various industries

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Technical Details

Parameter	Specification
Maximum Peak Temperature (C)	400 C
Maximum Operating Temperature (C)	270 C
Maximum Peak Pressure (bar)	150 bar
Available Thickness (in mm)	0.80 to 5.00 (other thickness available on request)
Available Colors	Grey/Graphite
Available Sheet Sizes (in mm)	1500 X 1500, 1500 X 2000, 1500 X 2250, 1500 X 3000, 1500 X 4500, 2000 X 3000