... ,EPDM,SBR,CR,NBR,FPM etc. 3.UV,FR,oil proof,shock proof etc. 4.ODM,OEM as your drawing 1.durable in ... .working pressure:<= -35--200 centigrade5.specification:standard and non standard available,different sizes available6.packing;standard packing(inner:poly bag outer:carton) or ...