... SGS , FDA , ROHS 1. Materials: Made by top grade silicone rubber, environmental safe material, non-toxic, smooth feel, excellent transmission ... can be co-molded with silicone conductive pills (carbon pills), gold plated pills and metal pills are also available for ... computer ,mobile ,call phone and so on 1) Silicone,conductive-rubber or metal plastic keypads. 2) Excellent abrasion resistance. 3) ...