CNAF Jointing sheets S.AF-250 Oil

Additional Details

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.

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

Applications

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.