... kinds of spec.available3) Soft, flexible4) Factory priceSpecifications: silicone string/silicone: rubber cord 1)non-toxic ,ROHS, general inertness ... 1)non-toxic ,ROHS, general inertness 2)resistance to high and low temperature3) Sincere service with low pirce silicone ... formula,via advanced technology processing. It has good flexibillity,high temperature resistance ,and good stability,can be widely ...