1.Corrugated Stainless Steel Tubing can be used for natural gas and LPG 2.BS EN15266:2007 Approval 3.100% Leakage test SHENGZI Corrugated Stainless Steel Tubing gas piping system(CSST) can be used for domestic and industrial and commercial (I&C) applications.1.SPECIFICATIONS:1)Size: 1/2" , ID: 13.5mm, OD:17.6mm(Corrugated tube without outer jacket); OD:18.5mm(with outer jacket). 2)Standard length ...