1) Free from void, sink, tool mark, oil and any other imperfect 2) Customize compound material to meet any specification Material: NBR, NR, EPDM, SBR, IIR, CR, SILICONE, FKM/FPM, ACM, HNBR, POM, PU and so onQuality: meet ASTM D2000, SAE J200, DIN or any specification from customerNote: Our product are FDA, ROHS, REACH and NSF complianceLeadtime: 10 days