Mature and Stable Neck Finish Structure
The classic short neck design and precise threading ensure both excellent sealing and smooth opening, with its reliability proven through long-term use.
Cost and Performance Advantages over Other Standards
Compared to traditional bottle neck standards, the PCO 1881 PET preform reduces material usage while maintaining bottle strength and pressure resistance, thus controlling production costs.
High Industry Adoption and Well-Established Supply Chain
The PCO 1881 is widely used in the bottled water industry, offering strong compatibility with equipment and caps, and a mature supply chain, facilitating large-scale production and stable long-term delivery.

Preform Mold Parameters
| Parameter Category | Description |
|---|---|
| Finish Size & Thread Structure | Standard short-neck design with high-precision threads, ensuring reliable cap sealing and compatibility with mainstream filling equipment. |
| Weight Range | Multiple weight specifications available to support bottle types of different capacities, balancing lightweight design and structural strength requirements. |
| Length Options | Versatile length selections to flexibly meet diverse production needs and adapt to the customization of bottle body designs. |
| Wall Thickness Uniformity | Precision mold and temperature-controlled molding process guarantee uniform wall thickness, enhancing pressure resistance and surface finish quality. |
| Finish Crystallization Control | Controllable finish crystallization achieved through temperature regulation and material optimization, reducing production defects effectively. |

PCO 1881 PET Preform Mold Production Process and Quality Control
High-Precision Mold Engineering
Our molds are specially designed for PCO 1881 bottle neck standards, ensuring thread accuracy, neck flatness, and consistent sealing performance.
Optimized Injection Process
Advanced mold temperature control and flow channel optimization enable uniform wall thickness and reduce internal stress during preform formation.
Consistent Batch Performance
Each mold is calibrated for repeatability, guaranteeing that all preforms in a batch meet strict dimensional and weight tolerances.
Rigorous Inspection & Traceability
Real-time monitoring and detailed quality records allow for early detection of deviations, ensuring preforms meet industrial standards and production reliability.
Professional PCO 1881 PET Preform Mold Solutions
Extensive Experience in PET Preform Molds
We have focused on the design, production, and improvement of PCO 1881 PET preform molds for many years, ensuring precise molding and stable performance for every batch of products.
Mature and Reliable Supply System
We have a complete export process and a long-term cooperative supply chain, ensuring stable product delivery and meeting the needs of large-volume orders.
Strict Quality Control
Relying on high-precision processing and testing equipment, we strictly control the bottleneck size, thread accuracy, and wall thickness to ensure product consistency and reduce production risks.
High Value for Long-Term Cooperation
Stable production processes and mature technical support minimize customer risks, facilitating long-term stable procurement and brand expansion.
FAQ
1. Can using your molds save on production costs?
By optimizing mold structure and improving production consistency, we can reduce material waste and minimize defect rates, thereby effectively controlling preform production costs.
2. What is the lifespan and durability of your molds?
Using high-strength steel and advanced processing techniques, our molds are wear-resistant and high-temperature resistant. Optimized design ensures long-term stable production and reduces maintenance frequency.
3. Do you offer mold customization services?
We support mold customization based on customer requirements for bottle shape, wall thickness, and length, ensuring optimal molding results and compatibility with mainstream injection molding and blow molding equipment.
4. What are the long-term advantages of using your molds in collaboration?
Using our optimized preform molds can improve production efficiency and reduce defect rates. Additionally, low mold maintenance costs ensure long-term stable supply and high-quality products.
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