... available. 3. Small order welcomed. FDA & UL Grade Silicone Rubber Cord Ring: 1. Materials: Silicone, NBR, ACM, NR, MVQ, ACM, FLS, CR ... .3. Function: seal the edge of the door, container, glass, window, cabinet, etc., avoid leaking and dust; protect the ... as per your request. 6. Type: solid rubber extrusion, foam rubber extrusion, sponge rubber extrusion, etc. 7. Processing: all manufacturing processes ...