AI-555
Asbestos Beater Jointings (Grade : AI-555)
A low Density facing material with Nitrile Rubber Binder & processed Fibres. Suitable for combining with Perforated Metal sheets for Cylinder Head and Manifold Applications. A low cost alternative to grade AI-666 with some differences in properties.
| S.No. | Particular | - | AI-555 |
| 1 | Density (gms/cc) | - | 1.10 ± 0.05 |
| 2 | Tensile Strength (kg/cm²) | (Minimum) | 45 |
| 3 | Compressibility at 5000 psi/ 350 kg/cm² (%) | - | 25-35 |
| 4 | Recovery (%) | (Minimum) | 25 |
| 5 | Loss on Ignition at 800 °C(%) | (Maximum) | 40 |
| 6 | After immersion in ASTM Oil No. 3 for 5 Hrs. @ 150 °C | - | - |
| Weight increase (%) | (Maximum) | 55 | |
| Thickness increase (%) | (Maximum) | 5 | |
| 7 | After immersion in ASTM Fuel B for 5 Hrs. | - | - |
| Weight increase (%) | (Maximum) | 55 | |
| Thickness increase (%) | (Maximum) | 5 | |
| 8 | Dimensions | - | - |
| Thickness Availablity | - | 0.40 mm - 1.50 mm | |
| Standard Size | Rolls of 1220 mm width, Length according to thickness. | ||
| 9 | ASTM Specification Compliance | F125160E61M3 |
31-10-2025