For smaller production volumes or pilot runs, a 12 Cavities Preform Mold offers the perfect entry point with professional-grade quality.
Ideal for Pilot and Niche Markets
A 12 Cavities Preform Mold is the right tool for developing new bottle designs, testing different resins, or serving niche markets with low annual volumes. It provides the same hot runner and cooling technology as larger molds but with a lower capital outlay, allowing you to validate the market before scaling up.
Simplified Runner and Temperature Control
The lower cavitation count of a 12 Cavities Preform Mold means the hot runner manifold is compact and incredibly easy to balance. Each nozzle can be individually controlled with simple PID loops, and the reduced thermal mass allows quicker start-ups and less sensitivity to ambient temperature changes.


Fast Mold Changes
Due to its smaller size, a 12 Cavities Preform Mold can be loaded and unloaded from an injection machine in under an hour. This rapid changeover capability is valuable for custom molders who must switch jobs frequently. The mold also includes a stored-energize system that keeps all water lines connected in one manifold, speeding the setup.
Full Dimension and Cycle Warranty
Despite its lower cavitation, this 12 Cavities Preform Mold is built to the same precision standards as our large molds. We warranty the neck ring dimensions and cycle times. If you require a preform with a specific weight and finish, the 12 Cavities Preform Mold will deliver it consistently, laying a solid foundation for your bottle business.DEMARK Injection System - Building Smart Factories for the PET Packaging Industry.
At DEMARK, we are committed to helping customers create intelligent, automated, and efficient PET packaging production systems. By integrating advanced injection molding technology, precision mold manufacturing, and automation solutions, we deliver reliable systems that improve productivity, reduce labor costs, and support long-term sustainable manufacturing.
Our products and services include PET preform injection molding machines with two-stage injection systems and 3–4 station cooling robots, high-performance PET preform molds up to 144 cavities, automation integration, technical support, and complete turnkey solutions for PET packaging production.

About Us

Demark is a professional manufacturer specializing in PET packaging production solutions, including:
● PET preform injection molding machines
● PET preform molds
● Automation and smart factory solutions
With rich international project experience, Demark has served customers across Asia, Africa, South America, the Middle East, and Europe.
Our mission is to help customers build efficient, energy-saving, and intelligent PET packaging factories.
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