PVC seal 1. Can meet ROHS,REACH,PAHS,NSF,etc. 2. ... . Chemical resistance. 4. Low price. Details of pvc seal: 1. Materials: comply to ROHS, PVC, or NBR, Silicone (VMQ), EPDM, Viton, etc ... (E) M-Class or as your requested.4. Color: black, transparent, green, red, yellow, grey, purple, pink or as your requested ... help you develop the design based on your idea. Excellent PVC seal