... tensile Strength, Wear and tear resistance, Durable;· UL & SGS certification;· Rubber Material: NBR, HNBR, XNBR, EPDM, CR, NR, SBR, VMQ, FKM ... , ECO, IIR, ACR.· Color: Regularly black, red, blue, yellow for rubber material, for silicone, any colors are available according to your ... Development line: A. From drawing, new tool design to mold support and samples. B. Prototype mold, usually in 7 days; C ...