PET preform mold, injection preform mold, preform mold Material 2738for core, P20 for base. HRC48-51, mold life: 3,000,000 times, 4-72cav, hot runner. Specifications: 1. Advanced structure is designed in base of 2738 material; 2. Core and cavity are made of imported nitrated steel in accordance with international standard; 3. No cutting of gate is needed, the labor intensity is reduced; 4. The excellent hot runner design assures uniform heating and improves the plastic productquality greatly; 5. High efficiency is attained with water cooling at normal temperature.