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Help CenterHigh Gloss Double Wall Jar Tooling IATF 16949 Zero Defect Precision Injection Molding Tier 1 Cosmetic Supply Germany
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As a dedicated manufacturer based in Changzhou, Jiangsu, China, Changzhou Hongxinyutai Precision Mold Co., Ltd. has been serving the global injection molding industry since 2017. Our factory, spanning 1,000–3,000 square meters, is equipped with advanced CNC machining centers and EDM equipment, operated by a team of 51–100 skilled professionals. We specialize in producing high-precision injection molds for the cosmetic packaging sector, and our High Gloss Double Wall Jar Tooling is a flagship product that meets the stringent demands of Tier 1 cosmetic suppliers. Built with a zero-defect philosophy and certified under TS16969, this mold delivers consistent performance, exceptional surface finish, and long-term reliability for your production lines.
Our double wall jar tooling is engineered to produce cosmetic containers with a flawless high-gloss exterior and a smooth inner wall. The double wall design not only enhances the aesthetic appeal but also provides thermal insulation, making it ideal for premium skincare and cream jars. Below are the key features and technical specifications that set this mold apart.
Key Features & Technical Specifications
| Feature | Specification |
| Mold Base | Standard LKM or HASCO, customizable |
| Steel Grade | S136H (hardened), 718H, or NAK80 |
| Surface Finish | SPI A1 (high gloss, mirror-like) |
| Mold Life (guaranteed) | 500,000 shots without rework |
| Injection System | Hot runner (YUDO, HUSKY compatible) or cold runner |
| Cooling System | Conformal cooling channels for uniform temperature |
| Tolerance | ±0.01 mm on critical dimensions |
| Ejection | Hydraulic or mechanical with early ejection option |
Product Advantages & Benefits
- High Gloss Finish: Achieve a mirror-like surface on the jar exterior without secondary polishing. This reduces cycle time and eliminates post-mold finishing costs.
- Double Wall Design: The inner and outer walls are molded simultaneously, ensuring consistent wall thickness and structural integrity. The air gap between walls provides insulation, keeping the product fresh and extending shelf life.
- Zero Defect Molding: Our rigorous quality control system, including in-mold sensors and real-time monitoring, ensures that every shot meets the zero-defect standard. This minimizes scrap and maximizes your production efficiency.
- TS16969 Certified Manufacturing: Our production process follows the TS16969 quality management system, which is recognized by automotive and Tier 1 cosmetic suppliers worldwide. This guarantees traceability, process control, and continuous improvement.
- Customizable Cavity & Gating: We can design the mold with 1, 2, 4, or 8 cavities, and choose the optimal gate location (submarine, pin, or valve gate) to suit your material and part geometry.
- Rapid Lead Time: With our in-house 5-axis CNC and EDM machines, we can deliver a fully tested mold in 30–45 days, depending on complexity.
Frequently Asked Questions (FAQ)
Q1: What materials can be used with this double wall jar mold?
A: The mold is designed for common cosmetic resins such as PP, PCTG, PETG, ABS, and SAN. We can also adjust the cooling and gate design for engineering plastics like PC or acrylic upon request.
Q2: Can you achieve a high gloss finish on the inner wall as well?
A: Yes, the inner wall can be polished to SPI A2 or A1 grade if required. However, for most cosmetic jars, a matte inner wall is preferred to reduce friction with the product. We can customize the surface texture on each side.
Q3: What is the typical mold life for this tooling?
A: Under normal operating conditions with proper maintenance, the mold life exceeds 500,000 shots. We use premium steel and heat treatment to withstand wear, and we can also provide spare parts for long-term support.
Q4: Do you provide mold trial reports and samples?
A: Absolutely. Before shipping, we run a full mold trial on our injection molding machines (80–300 ton) and provide a detailed trial report, including dimensional measurements, surface finish inspection, and cycle time data. Samples are available for your approval.
Q5: Is the mold compatible with injection molding machines from different brands?
A: Yes, we design the mold base and clamping plate to match standard machine specifications (e.g., Engel, Arburg, Haitian, Demag). We can also adjust the mounting holes and ejection system to fit your specific machine.
Q6: How do you ensure zero defects in production?
A: We employ a combination of in-mold sensors (pressure, temperature), statistical process control (SPC), and 100% visual inspection under controlled lighting. Additionally, our quality system is audited regularly to maintain TS16969 compliance.
Q7: What is the minimum order quantity (MOQ) for this mold?
A: We accept MOQ of 1 mold. For single-cavity molds, we can start production immediately. For multi-cavity molds, we recommend at least 2 cavities to optimize cost efficiency.
Q8: Do you offer after-sales support and warranty?
A: Yes, we provide a 12-month warranty against manufacturing defects. Our technical support team is available via email, phone, or video call to assist with troubleshooting, maintenance advice, and spare parts supply.
Why Choose Changzhou Hongxinyutai Precision Mold?
With over 7 years of experience in precision mold manufacturing, we have supplied tooling to clients in North America, Europe, Southeast Asia, and the Middle East. Our factory operates 24/7 to meet tight deadlines, and we have a dedicated quality control department that inspects every dimension using CMM and vision systems. We are committed to delivering molds that not only meet your specifications but also exceed your expectations in terms of cycle time, durability, and part quality. Contact us today to discuss your double wall jar project, and we will provide a competitive quotation with a detailed project timeline.
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