... oil natural gas propane rubber hose: 1.Material:100% silicone 2.Confirm to FDS,SGS 3.Heat resistance,flexible Product name ... : 100% FDA, LFGB, USP class VI Silicone Rubber Raw Material 2. Certification: with SGS, Reach, FDA, LMBG, LFGB are approved3. Large ... non-toxic PVC or medical-grade silicone,clear and soft. 2. Radio opaque line through the length for x-ray visualization. 3 ...