Premium Mold Steel for Long-Term Stability
Large 48–144 cavity juice bottle preform molds withstand long-term high temperature, high pressure, and high-speed injection cycles; therefore, material grade determines mold stability.
The cavities and cores are made of high-end mold steel or powder metallurgy mold steel, possessing a more uniform microstructure and higher hardness.
Excellent wear resistance ensures maintained precision in high-load production environments, reducing mold wear.
High-grade materials significantly extend mold life, reduce replacement costs, and improve overall production stability.

Technical Specifications of PET Preform Mold
|
Parameter Category |
Description |
|
Material |
High-hardness mold steel, S136, 2316, H13, and other high-quality mold materials |
|
Cavity Number |
Multiple specifications available: 48/72/96/128/144 cavities, adaptable to different production capacity requirements |
|
Bottle Mouth Standard |
Compatible with industry universal standards such as PCO1881, 30/25, 38mm juice mouth, suitable for diverse packaging scenarios |
|
Cooling Method |
Cooling water circulation system for efficient temperature control, ensuring product molding quality and stability |
|
Applicable Equipment |
Suitable for automatic PET injection molding machines, enabling industrial continuous production |
|
Output Efficiency |
Fastest molding cycle up to 6–8 seconds (depending on cavity configuration), with efficient and controllable production capacity |
The mold is applicable to various machine models, subject to confirmation by the project engineer.
High-Quality Juice Water Bottle Preform Mould Product Advantages
High-Precision Manufacturing:
Utilizing advanced CNC precision machining, each cavity undergoes rigorous testing to ensure consistent preform dimensions, resulting in smooth, precise injection molding and reduced defect rates.
Wear-resistant and durable:
Made from carefully selected high-hardness, wear-resistant steel, and subjected to heat treatment and fine surface polishing, the mold maintains stable performance even during high-cycle production, requiring low maintenance and extending its service life.
High-Efficiency Production:
Supports multi-cavity design and quick mold changeover, increasing capacity and reducing downtime. Suitable for high-volume juice bottle production while ensuring consistent quality across batches.
Exceptional Stability:
A scientifically designed mold structure and optimized cooling system ensure uniform temperature and pressure control during injection molding, guaranteeing stable and reliable production every time, reducing defect rates, and improving overall production efficiency.

Juice Water Bottle Preform Mould Customization Options
Multiple Bottle Neck and Thread Customization: Supports various bottle neck standards, including different thread sizes, sealing structures, and special opening designs, ensuring a perfect match for your juice filling line.
Personalized Preform Structure and Proportion Design: Customize bottle proportions, wall thickness distribution, preform flow channel design, and overall mechanical structure according to product positioning, giving the finished bottle superior appearance and strength.
Precise Preform Weight Adjustment: Flexible adjustment of preform weight based on juice filling line speed, filling media, and pressure resistance requirements, from lightweight solutions to high-strength applications.
Everything You Need To Know
SZ-MOLDTECH – Reliable PET Preform Molds for Consistent Bottle Quality
1. Is the hot runner system balanced, ensuring consistent preform quality?
Our molds utilize an advanced balanced hot runner system, guaranteeing uniform material flow in each cavity. This results in preforms with high transparency, no shrinkage, and no black spots, suitable for high-speed injection molding and mass production, ensuring consistent product quality.
2. Why choose you over other mold suppliers?
We have years of experience in preform mold R&D and manufacturing, supporting OEM/ODM customization. Combined with advanced processing equipment and rigorous QC processes, we guarantee mold precision and stability. Our clients are located worldwide, providing professional technical consultation, fast delivery, and long-term after-sales service, making us a trustworthy partner for manufacturing companies.
3. How long does it typically take from order placement to delivery?
We usually provide a project lead time after confirming all information, including design, specifications, number of cavities, and equipment compatibility. Because we possess mature design and manufacturing capabilities (R&D ⇢ Mold Manufacturing ⇢ Trial Molding ⇢ Debugging), we are able to quickly meet customer needs.
4. How are molds protected during international shipping to ensure they arrive at the factory intact?
During international shipping, we use international standard export packaging to ensure the molds arrive safely at the customer's factory. Each mold set undergoes rust prevention treatment and is packaged in a dry, moisture-proof manner, secured with high-strength wooden crates or custom pallets. Vulnerable parts are also reinforced to prevent collisions or corrosion during transport.
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