Our imported silicone products are of the highest quality. They meet and exceed all performance and physical characteristics of SAE J20 R1, SAE J20 R1 H.T., TMC RP303B Grade l and Grade ll, Mil Spec, A-A52426 and are resistant to electrochemical degradation. The temperature range of all the silicone products is -53 to 177C. All silicone hose, bends and reducers are 4 ply. The silicone hose may be purchased in 0.1 meter increments. Most products are available in blue and red.