| 摘要 |
Use of a sealing material 11 comprising a multifilament or spun yarn coated with a joint sealing composition to seal a joint in a pipe system in which the fluid flowing through the pipe comprises one or more of, corrosion inhibitors such as diammonium dimolybdate or benzotriazole, sludge removers, an alcohol such as propane diol or ethylene glycol, a hydrocarbon such as diesel, biodiesel, fuel oil or hydraulic oil, and steam with a temperature of at least 180°C and a pressure of at least 1000kPa. The multifilament or spun yarn may comprise polyamide or polypropylene, the sealing composition may comprise an oil and filler where the oil may be linseed oil, silicone oil or mineral oil and the filler may comprise a mineral filler, powdered polymer filler or chopped fibre filler. Also included is a claim for a system through which a fluid passes with at least one joint sealed in the manner described. |
