... o ring we supply EPDM rubber o ring, silicone rubber o ring, ACM rubber o ring, NBR rubber o ring, HNBR rubber o ring, FPM rubber o ring, CR rubber o ring, viton o ring, etc. Rubber o ring descriptions ... resistant, ozone resistant, weather proof, radiation resistant,etc. 5. Color,size and logo: according to your request. 6. Applications: can be ...