Silicone about 20~80 Shore A; Others about 40~90 Shore A
Silicone any color, others: black,white,green,red,blue, etc
We are one of the transcendent Rubber Products Manufacturers and Rubber Products Exporters.Our main products contains o-rings,rubber seals,rubber gaskets,rubber grommets,rubber washers,rubber bumpers,rubber bellows,rubber hangers,rubber bushes,rubber plugs,rubber bracelets etc. If you are interested, please don't hesitate to contact us. Thanks.