Pure silicone heat shrinkable tubing not only has excellent properties  of the silicone tube  itself commonly, resistance to high termperature, high pressure resistance, soft and elastic, and also have thermal  shrinkage performance, excellent wear resistance and  cutting resistance,corrosion resistance and chemical reagent resistance. Can be use for a long time  under high temperature 200 degrees celcius, widely used in military or commercial areas need liquid corrosion resistance under  high temperature,resistance to fuel, lubricant, acid resistance and chemical solvents.