1.health& non-toxic, 2.no rust 3.no scaling, will not breed bacteria, 4.in line with the drinking water standards; 5.high temperature (maximum transport water temperature up to 95), high pressure (20 can be used under the pressure of 3Mpa); 6.for hot water pipe insulation energy saving Excellent thermal conductivity coefficient of only one-hundredth of the metal tube, thermal insulation performance; -