Chesterton 455 Aramid Fiber/Nitrile Binder Sheet is a general purpose sheet gasket material offering good sealability and chemical resistance. 455 incorporates synthetic fiber with a nitrile binder, and can be used against water, salt solutions, organic alkali aliphatic and aromatic hydrocarbons, alcohols, ester, oils and gases up to 575°F (300°C). 455 is not recommended for use in chlorinated hydrocarbons, aromatic and ester ketones
| Temperature Limit | 300° C (575° F) |
| Pressure Limit | 50 bar g (735 psig) |
| Compressibility (ASTM-F36) | 7 to 17% |
| Sealability (ASTM-F37) | 0,25 ml/hr |
| Creep relaxation (ASTM-F38) | 25% maximum |
| Recovery (ASTM-F36) | 50% minimum |
| Tensile strength across grain (ASTM-F152) | 100 bar g (1500 psig) P x T = 12,810 (°C x bar g) P x T = 350,000 (°F x psig) |
| Color | Grey |
