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Help CenterCustom Two-Piece Bottle Cap Injection Mold, Hardened S136 Steel, Hot Runner, 1*16 Cavities, High-Gloss Finish, 300K Shots, IATF 16949:2016
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Changzhou Hongxinyutai Precision Mold Co., Ltd. brings you a high-performance Custom Two-Piece Bottle Cap Injection Mold, engineered with hardened S136 steel and a hot runner system. Designed for 1×16 cavities and a high-gloss finish, this mold delivers exceptional precision and surface quality for demanding cap production. As an IATF 16949:2016 certified manufacturer, we combine over six years of experience with a 1,000-3,000 m² facility and a skilled team of 51-100 employees to ensure every mold meets rigorous global standards.
Our mold is built to achieve up to 300,000 shots with minimal maintenance, offering a reliable solution for high-volume bottle cap manufacturing. Whether you need standard or customized designs, we integrate advanced hot runner technology to reduce cycle times and material waste. Below, we detail the technical specifications and benefits that make this mold a smart investment for your production line.
Key Features & Technical Specifications
- Premium Material: Hardened S136 steel provides excellent corrosion resistance, high hardness (48-52 HRC), and superior polishability for a mirror-like high-gloss finish on caps.
- Hot Runner System: Fully balanced flow channels ensure uniform filling of all 16 cavities, reducing gate vestige and improving part consistency.
- High Cavitation: 1×16 cavity layout maximizes output per cycle while maintaining tight dimensional tolerances (±0.02 mm).
- High-Gloss Finish: Specially polished cavity surfaces achieve a surface roughness of Ra ≤ 0.05 μm, eliminating secondary polishing operations.
- Durable Design: Certified for 300,000 shots with proper maintenance; hardened tool steel inserts and wear-resistant components extend service life.
- IATF 16949:2016 Certified: Our manufacturing processes follow strict automotive quality standards, ensuring traceability and consistent performance.
| Parameter | Specification |
| Mold Type | Two-Piece Bottle Cap Injection Mold (Custom) |
| Cavity Number | 1 × 16 |
| Steel Grade | Hardened S136 (Equivalent to 1.2083) |
| Runner System | Hot Runner with Individual Nozzle Control |
| Surface Finish | High-Gloss (Ra ≤ 0.05 μm) |
| Design Life | 300,000 Shots (under standard maintenance) |
| Quality Standard | IATF 16949:2016 |
| Typical Cycle Time | 8–12 seconds (dependent on cap design and material) |
Benefits for Your Production
- High Efficiency: With 16 cavities and a fast cycle time, you can produce thousands of caps per hour, significantly reducing per-part cost.
- Superior Aesthetics: The high-gloss finish eliminates the need for post-mold polishing or painting, giving your caps a premium look that stands out on retail shelves.
- Long Service Life: Hardened S136 steel resists wear and corrosion, ensuring the mold maintains precision for hundreds of thousands of cycles.
- Consistent Quality: The hot runner system and precise cavity machining deliver uniform wall thickness and minimal flash, reducing scrap rates.
- Customizable Design: We can adapt the mold to your specific cap geometry, including tamper-evident bands, liners, or special threading.
Why Choose Changzhou Hongxinyutai Precision Mold Co., Ltd.?
Since 2017, we have dedicated ourselves to precision mold manufacturing, serving clients across North America, Europe, Southeast Asia, and beyond. Our factory spans 1,000–3,000 square meters and is equipped with advanced CNC machining centers, EDM, and wire-cut machines. With a team of 51–100 skilled engineers and technicians, we uphold strict quality control under the IATF 16949:2016 management system. We have shipped molds to over 30 countries, and our after-sales support includes spare parts, maintenance guidance, and on-site troubleshooting if needed.
Our commitment to continuous improvement ensures that every mold we deliver meets your exact requirements. We understand that downtime is costly, which is why we design our molds for reliability and easy maintenance. Whether you are starting a new beverage line or upgrading existing cap production, our Two-Piece Bottle Cap Injection Mold provides the precision, durability, and output you need to compete. Contact us today to discuss your project – we offer free technical consultations and samples upon request.
Frequently Asked Questions (FAQ)
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Q: What materials can this mold process?
A: The mold is optimized for polypropylene (PP), polyethylene (PE), and other common cap thermoplastics. We can also adjust the hot runner settings for engineering resins like PET or HDPE – please specify your material during order. -
Q: How long does it take to manufacture a custom mold like this?
A: Typical lead time is 25–40 days, depending on complexity and current workload. We provide a detailed schedule after design approval. -
Q: Is the 300,000-shot life guaranteed?
A: Yes, under recommended maintenance conditions (regular cleaning, proper cooling, and mold release). Our molds often exceed the rated life with moderate care. We provide a maintenance manual. -
Q: Can I get a sample before mass production?
A: Absolutely. We can produce trial shots for your approval before final shipment. Sample fees are negotiable and refundable with bulk orders. -
Q: Do you offer spare parts or replacement inserts?
A: Yes, we supply spare hot nozzle tips, heating elements, and core inserts. We recommend ordering a set of critical spares to minimize downtime. -
Q: What if the mold needs repairs after delivery?
A: Our warranty covers manufacturing defects for 12 months or 100,000 shots, whichever comes first. For support, our technical team can guide you via video or arrange local service if feasible. -
Q: Can this mold be adapted for a different cap design later?
A: Some modifications are possible (e.g., changing insert cavities for different thread profiles). We advise designing the main frame to accommodate future inserts – we can discuss this during the design phase. -
Q: How is the mold packed for export?
A: We use waterproof, shock-proof wooden crates with anti-rust coating. The mold is secured with internal braces and moisture indicators; shipping can be arranged from Jiangsu, Shanghai, or Shenzhen ports.
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