Asbestos Free Jointings Sheets
Style AF 170
Style AF 170
Compliance: BS 7531 Grade X
Composition: ARAMID FIBRES, MINERAL FIBRES, CARBON FIBRES, INORGANIC FILLERS, HNBR ELASTOMER, REINFORCED WITH EXPANDED GRAPHITE
Identification Colours: Black with Standard Antistick coating. Optional “steel wire mesh insert” available with Graphite Finish.
Suitable for: Heat Exchangers, Boilers, Radiators, Steam Supplies & Power Plants (High Service Conditions).
Appropriate Medium: Excellent resistance to Oils, Solvents, Fuels, Refrigerants, Salt Solutions, Gases, Water and Steam.
Description
Special heat-resistant fibers, fillers, and graphite are bonded with high-quality NBR elastomers to create these jointings, which exhibit exceptional thermal and mechanical properties.
Technical Data
| Property | Non-Metallic |
|---|---|
| Continuous Temperature | 450 ºC |
| Max Continuous Temperature with Steam | 425 ºC |
| Short Term Temperature | 600 ºC |
| Recommended Minimum Pressure | 160 Pa |
| Sheet Size | 1600 x 4500/1500 x 6000/1500 x 1600/1500 x 1500/1500 x 2000/1500 x 3000/2000 x 6000/3000 x 3000m |
| Thickness | 0.40 to 6.00mm |
| Density | 1.70 kg/m³ |
| Tensile Strength | 11 Pa |
| Compressibility | 10% |
| Residual Stress | 25 Pa |
| Gas Permeability | 0.80 cm²·s·cmHg |
| Recovery | 50% |
| Water Absorption | 5% |
| Ignition Loss | 28% |