Rubber Seals Silicone strips,silicone extrusion is one kind of our main products.It has the below feature. 1Hardness:from 30-90 2,Temperature Range:-100 to 350 3,Shelf time 20 years 4,Ozone Resistant 5,Acid resistance 6,Water Resistance 7,Wearability 8,Flam retardance 9,Resistance for pressing deformation 10,Chemical resistance 11,Oil resistance