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This high-performance 72-cavity PET preform mold with 28 neck finish is engineered for high-efficiency injection molding of PET preforms, ideal for producing lightweight and uniform preforms for blow-molded bottles.
Key Features:
Cavity Count: 72 cavities for high-volume production
Neck Size: 28mm (standard PCO neck finish)
Hot Runner System: Precision-engineered balanced flow design for consistent filling and pressure distribution across all 72 cavities
Cooling System: Optimized high-speed conformal cooling channels for reduced cycle time and uniform temperature control
Materials: High-grade stainless steel and corrosion-resistant materials for extended mold life and cleanroom compatibility
Applications:
Perfect
for producing PET preforms for water, carbonated soft drinks, edible
oils, and other beverage bottles requiring a 28mm finish.
This mold delivers high output, precision consistency, and energy efficiency for large-scale PET preform manufacturing.
Ruiluo Mold has 15 years of expertise in PET preform tooling. High precision, extended service life, and high efficiency for global packaging industry upgrades.
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Technology Driven · Quality First · Global Service
Imported S136 / 2316 stainless steel, vacuum heat treatment + cryogenic processing, mold life up to 3 million+ shots for worry-free production.
5-axis CNC, high-precision EDM; cavity roundness ≤0.01mm, uniform wall thickness, surface finish Ra0.02.
Innovative conformal cooling design reduces cycle time by 15%-30%, significantly boosting daily output and energy efficiency.
From preform design to hot runner solutions, one-on-one engineering service, 1 to 144 cavities, tailored for special bottle shapes.
Advanced Manufacturing · Strict QC · Global Delivery
Versatile Specifications · High Performance · Demanding Production Ready
| Parameter | Standard Series (48 cavities) | High-Speed Series (96 cavities) | Custom Range |
|---|---|---|---|
| Cavity Count | 12 / 24 / 32 / | 48 / 72 / 96 | 1~96 cavities custom |
| Preform Weight (g) | 10g ~ 150g | 8g ~ 80g | 5g ~ 1000g (special design) |
| Mold Steel | S136H / DIN 1.2316 | Imported S136 SUP + coating | Stainless / Nitrided / Powder steel |
| Cavity/Core Hardness | HRC 48~52 | HRC 52~56 | HRC 48~58 optional |
| Hot Runner System | Valve gate hot runner | High-speed balanced hot runner | YUDO / Husky compatible / self-developed |
| Cooling Efficiency | Optimized spiral cooling | 3D conformal cooling | Simulation-based design |
| Cycle Time (reference) | ≈12~15s | ≈8~11s | 20%+ reduction possible |
| Mold Life | >2 million shots | >3 million shots | Up to 5 million shots with maintenance |
Beverage, Food, Daily Chemicals, Pharma — one-stop preform mold solutions
Water bottles, CSD preforms
Large oil bottles, sauce jars
Shampoo, cosmetics containers
Oral liquid, medical vials
Beer preforms, spirits
PLA eco-friendly preform molds
