Perfect for producing screw caps for mineral water, purified water, spring water, sparkling water, and other carbonated and non-carbonated beverage
Request a QuoteWe are a professional injection mould manufacturer with over 10 years of experience in PET preform and cap mould production. Our 24-cavity PCO 1881 mineral water cap mould is specifically designed to produce 30/25mm screw caps that fully comply with international PCO 1881 neck finish standards, ensuring superior sealing performance and smooth capping on high-speed automatic filling lines.
Why Choose Us:
Factory Direct Pricing: Competitive prices with no middleman markups. Direct factory communication for better support.
Customization Available: OEM/ODM services offered. We can customize cavity number, hot runner system, cooling layout, and other features to suit your specific production requirements.
Strict Quality Assurance: Every mould undergoes 100% inspection and trial testing on injection machines before shipment to ensure perfect performance.
Short Lead Time: 30-45 days for standard 24-cavity mould production.
Comprehensive After-Sales Support: 1-year warranty, free technical consultation, and lifetime spare parts supply.
PCO 1881 Standard Compliance: Precision-machined to meet exact PCO 1881 specifications, guaranteeing leak-proof sealing, consistent torque performance, and perfect compatibility with standard PET bottle necks.
24 Cavity Configuration: Optimal balance between high output and manageable investment. Ideal for medium to large-scale production, delivering 24 caps per cycle with stable, reliable performance.
High-Speed Production: Cycle time as fast as 4.0-5.0 seconds, achieving approximately 17,000-21,000 caps per hour depending on material and machine settings.
Advanced Hot Runner System: Equipped with high-performance hot runner and precision temperature controllers ensuring uniform melt distribution, reducing material waste, and improving product quality and consistency across all 24 cavities.
Premium Tool Steel: Manufactured using high-quality corrosion-resistant steel such as S136, 2316, or 2344, with vacuum heat treatment for enhanced durability and a service life exceeding 5 million shots.
Precision Machining: CNC machining, EDM, and wire cutting processes ensure high dimensional accuracy and cavity consistency, resulting in uniform cap weight and perfect thread matching.
Automatic Stripping & Sprueless Design: Integrated automatic stripping mechanism with sprueless hot runner design minimizes material waste, reduces manual labor, and ensures smooth, continuous production.
Optimized Cooling System: Scientific cooling channel layout ensures fast and uniform cooling, significantly reducing cycle time while maintaining product quality.
Technical Specifications:
| Parameter | Specification |
|---|---|
| Mould Type | PCO 1881 Water Cap Mould |
| Cap Specification | 30/25mm Screw Cap |
| Cavity | 24 Cavities |
| Material | PP / HDPE |
| Hot Runner | Yes (Standard) |
| Core Steel | S136 / 2316 / 2344 |
| Mould Life | ≥ 5 Million Shots |
| Cycle Time | 4.0 - 5.0 Seconds |
| Output | ~17,000 - 21,000 Caps/Hour |
| Injection Machine Requirement | 180T - 250T |
| Gate Type | Hot Tip Valve Gate |
Moldflow‑driven geometry prevents stress whitening and cracking, achieving 50k+ cycles.
3D‑printed inserts near the hinge reduce warpage and cut cycle time by 15%.
CMM inspection ensures cavity‑to‑cavity consistency within ±0.01 mm.
Interchangeable orifice inserts allow quick changes between different dispensing patterns.
Integrated seal geometry prevents leakage even after thousands of uses.
Quick‑change inserts and guided ejection reduce downtime and maintenance cost.
Share your cap drawing or sample and receive a detailed proposal within 24 hours.