... good Anti-aging custom part&molded rubber part Rubber seal for rod Sizeaccording to your drawing, 2D & 3D drawingMaterialSilicone,FKM ... ,Neoprene,HNBR,XNBR,Polyurethane,FVMQ,FFKM,Aflas, etc.Durosilicone for 20~80 Shore A, others about 40~90 Shore ... certificationISO/TS16949:2002, RoHs and so on.Rubber seal for rod Application fields: - For electronics parts- Computer components (keyboard, keypad...etc)- ...