AMAX ZINC CO RAISES DYECAST ALLOY PRICES Amax Zinc Co, a division of Amax Inc, said it is increasing the price of dyecast alloys No. Three and No. Five by three cents a lb, effective immediately. Dyecast alloy No. Three is now 52.5 cents a lb, while alloy No. Five is now 53.5 cents a lb, the company said.