... core, P20 for base. HRC48-51.life: 3,000,000 time 5 Gallon Cap Injection Moldfor A, B, and ... C type 5 gallon cap2344 HRC50-52 for core, P20 for base. , mold life: 3,000,000 times, ... of imported nitrated steel in accordance with international standard;3. No cutting of gate is needed, the ... heating and improves the plastic product quality greatly;5. High efficiency is attained with water cooling at ...