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Asbestos Free(AF) Fibre Jointing Sheets - AF 139

Compressed fibre jointing sheet with aramid and inorganic fibres with NBR binder

Champion Jointing Style AF 139 is higher performance BS7531 Grade-X Asbestos-Free (AF) Jointing sheet. It is comprised of compressed aramid fibres and bonded with a combination of functional fibres with a nitrile rubber binder to create a matrix of stability for thermal and chemical medium service.

Champion AF 139 Sheets are available in non-metallic and also in metallic option (with wire re-inforcement and anti-stick properties- which minimizes adhesion of the gasket to flange surfaces even at elevated temperatures, resulting in reduced removal time). This grade is produced in orange color.

Champion Jointing AF139 is very popular as soft cut gasket for wide range of media.

Hyrdocarbons-oils, solvents, steam, gases, glycols, aqueous solutions. (medium service conditions).

Sheets, pre-cut gaskets, special density, thickness, shape or grade available on request.

Available Sheet
Sizes in mm
(+/- 5%)
1600 mm x 1500 mm
1500 mm x 2000 mm
1600 mm x 4500 mm
2000 mm X 6000 mm
Thickness(mm) 0.4/0.5 mm; 0.75/0.8 mm; 1.0 mm; 1.5 mm; 2.0 mm;3.0 mm; 4.0 mm; 5.0 mm
Description Standard Specs Typical Values
Density DIN 28090-2 1.8-2.0 g/cm3
Tensile Strength ASTM F 152 ≥10 MPa / 100 Bar (1450 psi)
Compressibility ASTM F 36 8% to 12%
Residual Stress BS 7531 ≥26 MPa /260 Bar (3770 psi)
Gas Permeability BS 7531 <0.5 cc/min
Recovery ASTM F 36 ≥40%
Water Absorption BS 7531 ≤5%
Ignition Loss DIN 52911 ≤35%
Description Standard Specs Typical Values
Weight Increase ASTM Oil No.3 : 5hr/150°C(300°F) <10%
ASTM Fuel B : 5hr/23°C(73.4°F) <10%
Thickness Increase ASTM Oil No.3 : 5hr/150°C(300°F) <10%
ASTM Fuel B : 5hr/23°C(73.4°F) <10%
Champion Gasket Style AF 139

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15 Parsi Panchayat Road,
Andheri East, Mumbai - 400 069.
Maharashtra, India
Phone No +91 98201 71162 Contact our team Our locations