A revolutionary, patented Pipe thread sealant momofilament made from 100% Polytetrafluoroethelyne (P. T. F. E. ) for sealing metal plastic threaded pipe joints. Chemical resistant to the most aggressive chemicals, solvents, fuels & acids & remains functionally stable in a temperature range from minus 200deg Celcius to 240deg Celcius. It is not flammable & does not burn as well as having no effect on the process fluids in the pipes. Non hazardous material with no limitation on shelf life. Unused product remains safely protected from dirt & dust for future use. Contents: 175 metres.