Higlue 55 Pipe Thread sealing cord---50m/ 80m/ 150m/ 160m Thread Sealing Cord - immediate full pressure sealing. Allows reliable re-adjustments. Higlue 55 is designed for sealing of metal and plastic pipes and fittings. It needs no cure time and results in an immediate, full pressure seal. The ideal choice for a quick, easy and reliable seal. The product has approval for gas and potable water. Durable and Tear-Resistant a, The fibrous yarn is extremely durable and tear-resistant, which means that it will surely serve you for a long time. Its surface has been covered with an oily, neutral to health paste, which is used to seal joints made of metal and plastic. b, Resistant to Temperature Changes c, The thread is not susceptible to sudden changes in temperature and to high pressure, which significantly extends the possible life of the thread