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CNAF Jointing sheets S.AF-250 Oil

High-performance non-asbestos fiber jointing sheet (S.AF‑250 Oil), resistant to oils, fuels, hydrocarbons, steam, and diluted acids. Ideal for medium-pressure industrial sealing applications.

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CNAF S.AF‑250 Oil is a specialty non-asbestos gasket sheet designed for demanding sealing tasks involving oils, fuels, hydrocarbons, steam, water, lubricants, and diluted acids. Made from aramid fiber and mineral fillers bonded with NBR, this sheet delivers reliable sealing under medium pressure and elevated temperatures, complying with BS 7531 and ASTM standards.

Product Application

Ideal for sealing flanges in industries such as petrochemical, oil & gas, power generation, water treatment, and general industrial processes involving oils, fuels, steam, and diluted chemicals.

Technical Specifications

  • Density: 1.60–1.90 g/cm³

  • Compressibility: 5–15% (ASTM F36 J / BS 7531)

  • Recovery: ≥ 50%

  • Tensile Strength: ≥ 10.5 N/mm² (ASTM F152)

  • Gas Permeability: ≤ 1 ml/min (BS 7531)

  • Thickness Change in Oil/Water Conditions: ≤ 10% (ASTM F146)

 

  • Stress Relaxation: ≥ 18 MPa after 16 h at 300 °C

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