Precipitated Silicone Rubber

Fumed silicone rubber - xp-800 series for keypad, o ring and seal, etc.Item no.: Xp-852- gravity (g/cm3):1.14+/-0.05- tear strength (n/mm): Equal or more than 19- tensile strength (mpa): Equal or more than 7.5- elongation (%):400+/-60- elongation change at break (%): Equal or less than 6.0- hardness (shore a degree):50+/-2- linear shrinkage (%):3.2+/-0.2- appearance: Milky-white, slightly transparent, no obvious extraneous matter.- first vulcanization condition for test piece:175c x 10min.- vulcanizator:1% of 2,5-bis(t-butylperoxy)-2,5-dimethylhexane.