
Modular Design Pet Jar Preform Mold with Quick-Change System. Modular Quick-Change System: Enables rapid neck ring and core changes to reduce downtime during product switchovers. High-Wear Resistance Materials: Core and cavities made from premium 632 or S136 steel for extended service life. Multi-Cavity High Efficiency: Available in 4 to 48+ cavity configurations for balanced layout and high-speed cycling. Optimized Wall Thickness Control: Advanced cooling channels ensure uniform thermal management and consistent wall thickness. 1 Year Warranty Coverage: Comprehensive warranty protection for all mechanical equipment defects. Free T1 Samples Provided: We offer 2 shots of T1 samples free of charge to all customers. Full Customization Support: Design adaptation available for specific jar geometry, material, and production needs.