customed silicone extrusion 1) seal firmly 2).anti-ozone, anti-aging,anti-weather 3).good elasticity customed silicone extrusionperformance1.High and cold temperature resistance.2.Non-toxic,tasteless.3.Good electrical insulating performance.4.Having physical laziness,Good air permeability4.We have kinds of material : NBR,HNBR,EPDM,SILICONE,VITON,NR,FFPM,etc.5.We offer OEM/ODM, We can 3D design, ...