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Help CenterCustom OEM Plastic Bottle Cap Injection Molding Service – 1*16 Cavities, Hot Runner, Hardened S136 Steel, Mirror Finish
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Changzhou Hongxinyutai Precision Mold Co., Ltd. – a trusted manufacturer since 2017 – proudly presents our Custom OEM Plastic Bottle Cap Injection Molding Service. Designed for high-precision mass production, this mold features a 1×16 cavity hot runner system, hardened S136 steel, and a mirror finish to ensure every cap meets your exact specifications. With a factory spanning 1,000-3,000 sqm and a skilled team of 51-100 employees, we deliver molds that combine durability, efficiency, and cost-effectiveness. Whether you produce beverage caps, cosmetic closures, or industrial lids, our service offers unmatched consistency and cycle time reduction.
Our injection molding service is built around your unique product requirements. From concept to final mold, we collaborate closely with you to optimize gate locations, cooling channels, and ejection mechanisms. The result is a high-cavitation mold that maximizes output while minimizing waste and energy consumption. Below we highlight the key technical features and benefits that set our bottle cap molds apart.
Key Technical Specifications
| Specification | Detail |
|---|---|
| Cavity Count | 1×16 cavities |
| Runner System | Hot runner (drop temperature control) |
| Mold Steel | Hardened S136 (48-52 HRC) |
| Surface Finish | Mirror polish (SPI A-1 grade) |
| Application | Plastic bottle caps (PP, PE, PET, etc.) |
| Certification | TS16969 |
Product Features & Customer Benefits
- High-Cavitation Efficiency: The 1×16 cavity design significantly increases output per cycle, reducing per-unit cost and improving overall productivity. Ideal for large-volume bottle cap production.
- Hot Runner System: Precise temperature control of the melt eliminates cold slugs, reduces scrap, and ensures uniform filling across all cavities. Your caps will have consistent dimensions and minimal defects.
- Hardened S136 Steel: This premium stainless mold steel offers excellent corrosion resistance and wear durability. The hardened surface (48-52 HRC) withstands high injection pressures and millions of cycles without deformation.
- Mirror Finish Cavities: A mirror-polished cavity surface (SPI A-1) imparts a smooth, glossy appearance to the bottle caps. This not only enhances visual appeal but also reduces friction during ejection, leading to faster cycle times.
- Customizable Design: The mold can be adapted to produce caps of various diameters, heights, thread types, and tamper-evident features. Gate location, cooling layout, and ejection method are tailored to your specific resin and part geometry.
- Precision & Longevity: Every mold component is machined within tight tolerances (±0.01mm). With proper maintenance, the mold can produce millions of caps, offering exceptional return on investment.
- TS16969 Certified Process: Our manufacturing facility follows TS16969 quality management standards, ensuring consistent quality control, traceability, and continuous improvement in every project.
Trust & Reliability – Why Choose Hongxinyutai?
Established in 2017, Changzhou Hongxinyutai Precision Mold Co., Ltd. has grown into a professional mold supplier serving global markets including North America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our 1,000-3,000 sqm facility houses advanced CNC machining, EDM, and polishing equipment, allowing us to deliver molds that meet the highest quality standards. We export through the ports of Jiangsu, Shanghai, and Shenzhen, ensuring reliable logistics worldwide. With a team of 51-100 experienced engineers and technicians, we have completed hundreds of bottle cap mold projects with a customer satisfaction rate exceeding 98%.
Our TS16969 certification reflects our commitment to quality management throughout the mold design, manufacturing, and testing phases. Every mold undergoes rigorous dimensional inspection and trial runs before shipment. We also offer after-sales technical support and spare parts supply to keep your production running smoothly. When you choose our Custom OEM Bottle Cap Injection Molding Service, you’re not just buying a mold – you’re partnering with a dedicated manufacturer that values precision, durability, and your business success.
Ready to start your project? Contact us today with your cap design or sample. We will provide a free mold feasibility analysis and a competitive quotation. Let Hongxinyutai be your reliable partner for high-quality plastic bottle cap molds.
Frequently Asked Questions (FAQ)
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What materials can be used with this mold?
Our mold is compatible with common thermoplastics such as PP, HDPE, LDPE, PET, and ABS. The hot runner system can be adjusted for different melt flow characteristics. We recommend advising us your chosen resin during the design phase. -
What is the typical cycle time for a 1×16 cavity bottle cap mold?
Cycle time depends on cap geometry, wall thickness, and material. For standard water bottle caps (28mm), cycle times typically range from 6 to 12 seconds. Our optimized cooling design helps achieve faster cycles. -
How long does it take to manufacture the mold?
Standard lead time is 25-35 working days from design approval. Rush orders can be accommodated with prior arrangement for an additional fee. -
Do you offer samples before mass production?
Yes, we can provide test samples from the fully functional mold before shipping. Samples can be sent after the mold trial at our facility. -
Can you produce caps with tamper-evident bands or child-resistant features?
Absolutely. Our mold design can incorporate undercuts, threads, and special closures. Side cores or lifters can be added to form tamper-evident rings or child-resistant mechanisms. Please share your cap drawing for a custom solution. -
What is the warranty on the mold?
We offer a 12-month warranty on workmanship and material defects under normal usage conditions. Additionally, we provide lifetime technical support and spare parts at cost price. -
How do you ensure the mirror finish remains consistent?
Our mold surface is polished by experienced craftsmen using diamond paste, achieving SPI A-1 grade smoothness. Regular maintenance and proper mold storage will keep the finish intact for millions of cycles. We can also re-polish the cavities upon request. -
Is shipping available to my country?
We export to all major regions including North & South America, Europe, Asia, Africa, and Oceania. Molds are crated and shipped via sea or air from Jiangsu, Shanghai, or Shenzhen ports. We handle all documentation and customs clearance support.
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