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Help CenterOEM Plastic Bottle Cap Injection for Beverage & Pharma: IATF 16949, 1*16 Cavities
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Welcome to Changzhou Hongxinyutai Precision Mold Co., Ltd. – your trusted partner in high-precision injection mold manufacturing since 2017. We specialize in producing OEM plastic bottle cap injection molds designed specifically for the beverage and pharmaceutical industries. Our 1×16 cavity mold offers exceptional productivity while maintaining tight tolerances required for leak-proof and tamper-evident caps. With our TS16969-certified quality management system, every mold delivers consistent performance batch after batch, helping you reduce total cost per cap.
Why choose our bottle cap injection mold? Unlike standard molds, our design integrates advanced cooling circuits and optimized gate positions to minimize cycle time and warpage. The 16-cavity layout ensures a perfect balance of output and precision – ideal for high-volume production of 28mm, 38mm, and custom cap sizes. Whether you need caps for carbonated soft drinks, water, juice, or pharmaceutical vials, our mold can be adapted to your resin (PP, HDPE, LDPE) and closure type (screw cap, snap cap, child-resistant cap).
We use premium tool steel such as S136 or 2316, heat-treated to HRC 48-52, and offer optional surface treatments like nitriding or PVD coating for extended mold life. Our engineering team works closely with you to refine the cavity layout, cooling channel design, and ejection system – all while respecting your timeline and budget. Below are the key technical specifications:
| Parameter | Specification |
|---|---|
| Mold Base | LKM or HASCO standard, custom sizes available |
| Cavity & Core Steel | S136 / 2316 / H13 (hardened to HRC 48-52) |
| Mold Cavity Count | 1 x 16 cavities (typical for 28mm cap) |
| Injection Machine Compatibility | 180-350 tons (depending on cap design) |
| Cycle Time | 4-8 seconds (cap dependent, with optimized cooling) |
| Cooling System | Conformal cooling channels via additive manufacturing or drilled circuits |
| Ejection Method | Stripper plate, lifters, or pneumatic – customizable |
| Quality Certification | TS16969 (in compliance with IATF 16949 principles) |
| Mold Life Expectancy | 1-3 million shots (depending on maintenance) |
Key advantages for your business:
- High productivity: 16 cavities per cycle boost output without compromising quality – ideal for mass production of beverage and pharma caps.
- Precision & consistency: CNC machined cavities with ±0.005mm tolerance ensure uniform cap weight and thread dimensions, reducing scrap rates.
- Quick changeover: Modular design allows fast cavity replacement for different cap types, minimizing downtime.
- FDA-compliant materials: Mold steel and surface finishes meet food and pharma contact requirements – optional electropolishing available.
- Cost efficiency: Optimized cooling reduces cycle time by up to 15%, lowering your per-cap production cost.
- Global support: Shipment from Jiangsu/Shanghai/Shenzhen ports, with remote commissioning and spare parts available for international clients.
Our factory spans 1,000–3,000 square meters with a dedicated team of 51–100 skilled technicians and engineers. We have served markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and Asia, including a strong domestic presence. Our TS16969 certification assures you of systematic quality control from design to delivery. Every mold undergoes rigorous testing – including dimensional inspection, hardness check, and trial runs – before leaving our facility.
Why trust Changzhou Hongxinyutai? Since 2017, we have delivered hundreds of precision molds for bottle cap applications. Our clients consistently report improved production efficiency and reduced maintenance costs. We offer a 12-month or 1-million-shot warranty, and our after-sales team is available for troubleshooting and spare parts. Contact us today to discuss your cap design and production targets. We will provide a detailed mold proposal with cycle time estimates, pricing, and delivery timeline.
Frequently Asked Questions
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Q: Can this mold produce child-resistant or tamper-evident caps?
A: Yes, we can integrate child-resistant features (push-and-turn) and tamper-evident bands into the mold design. The 16-cavity layout can be adapted to complex cap geometries with moving cores or undercuts. -
Q: What resin materials are compatible with this mold?
A: The mold is typically designed for PP, HDPE, and LDPE. With proper gate and cooling adjustments, it can also run PET, ABS, or PC. We recommend discussing your specific resin with our engineers. -
Q: How long does it take to produce a new mold?
A: Standard lead time is 45–60 days from design approval. Rush orders (30 days) are possible with a surcharge. We also offer expedited mold trials at our facility. -
Q: What is the typical cavity pressure and injection pressure for this mold?
A: For a 28mm PP cap, injection pressure ranges 80–120 MPa, cavity pressure around 40–60 MPa. Our mold is built to withstand up to 150 MPa working pressure. -
Q: Do you provide mold testing before shipment?
A: Absolutely. We run trial injections on our own injection molding machines (180–350 tons) and send you test samples along with a full inspection report. Any issues are corrected before delivery. -
Q: Can I get spare parts for this mold?
A: Yes, we provide a set of critical spare parts (e.g., cavity inserts, core pins, seals) with the mold. Additional spare parts can be ordered separately. -
Q: How do you ensure mold quality for pharmaceutical applications?
A: Our TS16969 system includes APQP and PPAP procedures. We use clean-room compatible lubricants, and the mold surface finish can be mirror-polished to Ra 0.05 μm to meet USP requirements. -
Q: What kind of warranty do you offer?
A: We offer 12 months or 1 million injection cycles (whichever occurs first) against defects in material and workmanship. Warranty covers repair or replacement of faulty components.
Ready to elevate your cap production? With a 1,000–3,000 sqm factory, 51–100 experienced staff, and a track record of supplying molds to five continents, Changzhou Hongxinyutai is your reliable partner. Request a quote or technical consultation today – we will help you achieve faster cycles, higher yield, and lower costs.
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