72 cavity PET preform mold injection mold supplier,China's leading preform mold ODM service provider

72 cavity PET preform mold injection mold supplier

Our PET Prefrom Molds are available to do with 32 cavity, 48 caivty, 56 cavity, 60 cavity, 72 cavity, 96 cavity, 128 cavity, 144 cavity ...

Preform neck size: Φ 28mm（PCO 1881 1810, Alcoa 1716）, 26/22, 29/25, 30/25 and Φ 38mm etc.

Applicable machine: HUSKY, SIPA, UNIQUE, NETSTAL(and KM), KATA etc. Injection Machine

All the spare parts can be fabricated as per the sampels or drawing with warranty. All of the spare parts we munufactured are with the high quality standards and perfectly adapted to the machines.

Product Name	72 Cavity PET Preform mould
Core &Cavity Steel	S136,FS636,632 (Chinese Steel) ASSAB S136(Sweden)
Core &Cavity Steel	S136,FS636,632 (Chinese Steel) ASSAB S136(Sweden)
Mould base	P20,4Cr13, Standard Mould Base
Steel hardness:	HRC32-35 for slider and stripper palte and other plates
	HRC49-51 for core and cavity material.
	HRC49-51 for Neck ring and Lock ring
Plastic material	PET resin
Cavity Number	1x8, 1x16,1x24,1x32,1x48,1x64,1x72
Injection System	Short tail, Long tail, Pin Valve gate
Ejector System	Stripper plate
Cycle Time	Based on preform weight
Delivery Time	45-60 Days
Mould lifetime	At least 3million Shots
Warranty Time	One Year or 1million shots

We take full range test and analysis on product size, appearance, injection techniques and Physical Parameter. The analysis includes mold flow analysis, mold ejection, cooling system, rationality of guide system, application of mold parts specification, customer's machine selection and application of special requirements. We also OEM/ODM 72 Cavity PET Preform Mould design & manufacturing.

72 Cavity PET Preform mould Feature
1. Neck size: 15mm,18mm,20mm,24mm,28mm,30mm, Weight: from 5g to 45g, Gate: Pin valve type
2. Cavity water flow adopts spiral type independent of cycle structure which is good for fast cooling of preform
3. Chinese stainless steel or Imported Stainless steel from ASSAB for mold stacks and other components
4. Hardness up to HRC49-51 after special heat-treatment
5. Taper matching design for core and lock ring, good for venting and easy for neck solidification
6. Double taper design neck rings, whcih allow high injection force without flash
7. Pin valve hot runner system is applied, which is best runner system for preform mould
8.Each mould plates with electroplating treatment, which play a very long time rust prevention
9.Mould with stable performance and long lifetime to creat value for vustomers.

Leizhen’s Advantages in the Preform Mold Process: Precision, Innovation, and Reliability

In the competitive world of PET preform mold manufacturing, Leizhen has emerged as a trusted partner for brands and bottlers worldwide. Renowned for its engineering expertise, cutting-edge technology, and customer-centric approach, Leizhen delivers molds that optimize production efficiency, quality, and cost-effectiveness. Here’s an in-depth look at the advantages that set Leizhen apart in the preform mold industry:

Professional PET preform mold manufacturer | Helping efficient production and achieving perfect bottle shape

As an industry-leading PET preform mold manufacturer, we focus on providing high-precision, long-life, customized preform mold solutions for global beverage, food, daily chemical and pharmaceutical companies. From design to mass production, we use innovative technology and excellent quality to help you achieve a double breakthrough in production efficiency and product quality!

(Mold Cav Qty)	Neck Size）	Application
18 cav	48mm, 38mm,30/25,20/25, PCO1881, PCO1810	Water, Juice, CSD, Daily chemical products, edible oil, medicine
24 cav	48mm,38mm,30/25,29/25, PCO1881, PCO1810	Water, Juice, CSD, Daily chemical, products, edible oil, medicine
32 cav	48mm,38mm,30/25,29/25, PCO1881, PCO1810	Water, Juice, CSD, Daily chemical products, edible oil, medicine
48 cav	48mm,38mm,30/25,29/25, PCO1881, PCO1810	Water, Juice, CSD, Daily chemical products, edible oil, medicine
56 cav	48mm, 38mm, 30/25, 29/25, PCO1881, PCO1810	Water, Juice, CSD, Daily chemical products, edible oil, medicine
72 cav	38mm, 30/25,29/25, PCO1881, PCO1810	Water, Juice, CSD, Daily chemical products, medicine
96 cav	38mm, 30/25, 29/25, PCO1881, PCO1810	Water, Juice, CSD, Daily chemical products, medicine
112 cav	30/25, 29/25, PCO1881, PCO1810	Water, Juice, CSD, Daily chemical products, edible oil, medicine
128 cav	30/25, 29/25, PCO1881, PCO1810	Water, Juice, CSD, Daily chemical products, edible oil, medicine
144 cav	30/25, 29/25, PCO1881, PCO1810	Water, Juice, CSD, Daily chemical products, edible oil, medicine
176 cav	30/25, 29/25, PCO1881, PCO1810	Water, Juice, CSD, Daily chemical products, edible oil, medicine

Randomised words which don’t look even slightly Leizhen specializes in designing and manufacturing high-cavitation molds (including 48-cavity, 72-cavity, and even 144-cavity systems) that meet the demands of mass production. Their molds are engineered to ensure:

Uniform Preform Quality: Advanced flow simulation software balances the runner system, guaranteeing consistent filling and wall thickness across all cavities.

Tight Tolerances: Precision machining (±0.005mm) ensures compliance with international standards (e.g., PCO 1881, BPF) for neck finishes and thread designs.

Durability: Molds are crafted from premium steel (H13, S136, or 420 stainless steel) with heat treatment (HRC 48–52) to withstand millions of cycles.

Leizhen integrates state-of-the-art technologies to enhance mold performance:

Conformal Cooling Channels: 3D-printed or machined cooling channels follow the contour of the preform, reducing cycle times by up to 30% and minimizing warpage.

Hot Runner Systems: Partnerships with top brands like Yudo or INCOE ensure leak-free, energy-efficient melt delivery. Valve-gated systems enable clean gate cuts for lightweight preforms.

High-Speed Compatibility: Molds are optimized for machines with clamping forces up to 1,500 tons, achieving cycle times as low as 8–12 seconds for 20g preforms.

Leizhen tailors molds to meet specific client needs, including:

In-House Testing: Every mold undergoes trial runs on injection molding machines to validate cycle times, cooling efficiency, and preform dimensions.

ISO Certification: Compliance with ISO 9001 standards ensures traceability and accountability at every production stage.

Third-Party Inspections: Collaborations with global certification bodies verify compliance with FDA, EU, and other regional regulations for food-grade PET.

Leizhen’s commitment to quality is reflected in its stringent QC processes:

While European and North American manufacturers often come with premium price tags, Leizhen strikes a balance between affordability and performance:

Competitive Pricing: Direct manufacturing in China reduces overhead costs, offering savings of 20–40% compared to Western suppliers.

Long Mold Lifespan: Durable materials and coatings (e.g., nitriding, DLC) extend mold life to 3+ million shots, lowering cost-per-preform.

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How to place an order for moulds?
1.R&D	We support customer R&D. Make the files or improve the design if you needed.
2. Quotation Making	Mould Quotation will be finished in 1 day according to the information we get.
3. Negotiation	The quality, price, material, delivery time, payment item, etc.
4. Mould Design	1-2days for product 3D/2D drawing design as per customer's design. Then in further make the mould 2D/3D design.
5. Mould	1. confirm the products and the mold design
	2. Mould material prepare
	3. Rough machining(heat treatment on mold base and pre-harden on mold)
	4. CNC/ Vacuum Hardening on mold main spare parts
	5. finishing machining( JDPAINT, DEM.etc)
	6. Dimension inspection
	7. Ejector& runner& cooling & other device processes
	8. Assemble mold
6. Mould Testing	When moulds are finished, we will test the mould and we will send samples to client.
7. Sample confirmation	If the first sample is not satisfied by the customer when it is come out. We modify the mould until meet the customer’s satisfaction.
8. Delivery	Delivery goods by sea or by air, according to customer’s requirement.

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