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Preform Mold with Hot Runner System

Preform's quality and cost is no doubt one of the core issues in PET bottle production. It is also the most expensive part of the project. How to save the cost and to get excellent bottles? You may choose to buy preforms else where, but bear in mind preforms available in the market might not fit your bottle designs. Our preform mold will satisfy your demand as well as your budget. You will not be disappointed if you select us as your mold provider.


110mm wide neck preform mold
wide neck preform mold Click for large image of preform mold


32-cavity preform mold

preform mold


Cavity/core/neck/parts of hot runner

parts of preform mold
Click for large image

48-cavity preform mold preform mold

Click for large image of preform mold


24-cavity preform mold

preform mold

6-cavity preform mold

6-cavity preform mold
Click for large image




Customized Preform Design

We do custom design based on our more than 18 years experiences and knowledge in PET bottle industry. Every preform design is carefully tailored to fit its final bottle shape and specific application.



Apply Two-stage double-taper positioning technology. Each cavity is self-locked to ensure preform concentricity to avoid accumulated tolerance.


Superior Material

Top quality material (Sweden S-136, or German 2316 stainless steel) for cavities and cores to enhance the strength and durability. Equally super material for the remaining parts of the molds as well as the base plates, bushings and guides.


High Interchangeable Parts

All mold parts are processed by CNC machines. All cavities, cores, split neck inserts are properly heat treated and are interchangeable within same mold.


Hot Runner

Valve gated hot runner system is a proven winner for PET preform production. PID control makes cavities/nozzles with stable temperature and therefore yields excellent preforms.


Simplicity and Affordability

Simple does not mean lower quality and less function. Simplicity stands for less invest with high yielding. Fewer parts bring less maintenance, easy operation and lower price;



Possibility to make preforms with a few grams weight difference or neck finishing design change by simply replacing a few counterparts. This can be clearly viewed through the mold parts photo. The replacement core comes with flange which translates easy installation without affect the precision of the original mold.


Estimated Preform Mold Measurement

Cavity Height
4 345 390 466 370
6 410 390 466 440
8 475 390 466 510
12 605 390 466 650
16 735 390 466 800
24 780 500 490 1250
32 860 600 520 1850
48 1120 640 520 2370

Mold measurements on the table are based on the preform length 85mm, weight 16 gram, 30/25 neck finish. It is for reference only. 
Click here for catalog for preform mold.

Full description of preform mold also is availalbe for down load ( 546kb pdf).

Let's discuss more about preform designs as well as neck finish designs.
Click here to see video of preform molding