1.outstanding strength,good tensility 2.make custom mould 3.according to material certificates 4.colorful ... , green, yellow, blue, red etc4) Excellent chemical property,high tensile strength,good impact elastic,high elongation,wear resistance,fatigue resistance,good ... /C,T/T,Western Union,cash,paypal,etc11)Ultimate tensile strength:10-30 Mpa12)Tolerance:0.1mm~0.3mmThe o ring ...