5 gallon cap injection mold. For A, B, and C type 5 gallon cap. 2738 ... 5 gallon cap2344 HRC50-52 for core, P20 for base. , mold life: 3,000,000 times, 4-16cav, hot runner.Specifications ... uniform heating and improves the plastic product quality greatly;5. High efficiency is attained with water cooling at normal temperature.