... VMQ, FKM, LAS, FVMQ, FFKM, PTFE, PU, ECO, IIR, ACR.ยท Color: Regularly black, red, blue, yellow for rubber material, for silicone ... temperature resistance, long life cycles; 3. Good abrasion resistance, good elasticity; 4. Aging resistance, acid/alkali resistance; 5. Non-toxic, Eco-friendly ... to mold support and samples. B. Prototype mold, usually in 7 days; C. Mass production mold, usually in 1~2 ...