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Help CenterCustom Thick-Wall Cosmetic Jar Injection Molding - IATF 16949 Compliant, 1*4 Cavities, Hardened S136 Steel Mold
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Welcome to Changzhou Hongxinyutai Precision Mold Co., Ltd. – your trusted partner for high-precision injection molds. With years of expertise in mold manufacturing, we proudly present our Custom Thick-Wall Cosmetic Jar Injection Molding solution, fully compliant with IATF 16949 quality standards. This mold is engineered with a 1×4 cavity configuration and crafted from hardened S136 steel, ensuring exceptional durability, consistent performance, and superior surface finish for your thick-wall cosmetic jars. Whether you need a standard design or a fully customized solution, our mold delivers the reliability and precision your production demands.
Product Overview & Key Features
Our thick-wall cosmetic jar injection mold is specifically designed for high-volume production of premium cosmetic packaging. The 1×4 cavity layout optimizes efficiency without sacrificing quality, while the hardened S136 steel construction provides excellent wear resistance and long mold life. Key features include:
- IATF 16949 Compliance – Manufactured under strict automotive-grade quality management systems, ensuring process control and traceability.
- Hardened S136 Steel – High hardness (48-52 HRC) for superior scratch resistance and corrosion protection, ideal for glossy jar surfaces.
- 1×4 Cavity Design – Balanced filling and cooling for consistent part weight and dimensions, boosting productivity by 300% vs single cavity.
- Thick-Wall Optimization – Custom gate and cooling channel design to prevent sink marks and shrinkage in wall thicknesses up to 8mm.
- Flexible Customization – Available with optional hot runner systems, side cores, or unscrewing mechanisms for complex jar designs.
- Rapid Cycle Time – Advanced cooling circuit layout reduces cycle time by 15-20% compared to conventional molds.
Technical Specifications
| Parameter | Value |
|---|---|
| Cavity Count | 1×4 (4 cavities) |
| Mold Steel Grade | S136 (AISI 420 modified), hardened to 48-52 HRC |
| Surface Finish | SPI A-1 (mirror) or as required (e.g., textured) |
| Mold Base | LKM or equivalent standard, or custom |
| Hot Runner System | Optional (YUDO, HRS, or custom) |
| Injection Machine Compatibility | 100-300 ton |
| Mold Weight | Approx. 800-1500 kg (depending on size) |
Benefits for Your Production
- Consistent Quality – The 1×4 cavity design with balanced flow ensures each jar has identical dimensions and weight.
- Extended Mold Life – Hardened S136 steel provides up to 1 million shots before refurbishment.
- Reduced Maintenance – Corrosion-resistant steel minimizes downtime for cleaning or polishing.
- Cost-Effective – Multi-cavity output lowers per-part cost while maintaining automotive-grade precision.
- Eco-Friendly – Optimized cooling reduces energy consumption per cycle.
Why Choose Changzhou Hongxinyutai?
We are a dedicated manufacturer with 51-100 skilled employees operating in a 1,000-3,000 square meter factory in Changzhou, Jiangsu, China. Established in 2017, we have grown to serve markets across North America, South America, Europe, Asia, Africa, and Oceania. Our molds are shipped from Jiangsu, Shanghai, or Shenzhen ports with reliable logistics. We hold IATF 16949 certification, which reflects our commitment to quality and continuous improvement. Our team has successfully delivered hundreds of cosmetic jar molds for leading brands worldwide. We invite you to experience our engineering excellence and responsive customer service. Contact us today to discuss your custom thick-wall jar mold requirements – we will provide a competitive quote and fast turnaround.
Frequently Asked Questions (FAQ)
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Q: What is the typical lead time for this mold?
A: Lead time depends on complexity and current workload, typically 4-6 weeks for a standard thick-wall jar mold. Customization may add 1-2 weeks. -
Q: Can you provide samples before mass production?
A: Yes, we can produce trial samples using your specified material. Sample approval is recommended before full production. -
Q: What plastic materials are suitable for this mold?
A: The mold works with PP, PETG, Acrylic, ABS, and other common cosmetic jar materials. We can adjust gate and cooling for specific materials. -
Q: Do you offer mold design assistance?
A: Absolutely. Our engineers will optimize your part design for manufacturability, including wall thickness, draft angles, and ejection system. -
Q: How does the 1×4 cavity design affect cost?
A: While the initial mold cost is higher than a single cavity, the per-part cost is significantly reduced due to higher output per cycle. ROI is typically realized within 3-6 months for high-volume production. -
Q: What after-sales support do you provide?
A: We offer one-year warranty on mold workmanship, lifetime technical support, and remote troubleshooting. Spare parts are available upon request. -
Q: Is this mold suitable for thin-wall applications as well?
A: While designed for thick walls (e.g., 3-8mm), the mold can be adapted for thinner walls with minor modifications to cooling and ejection.
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