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Custom Injection Molding for Thick-Wall Cosmetic Packaging: Hot Runner, 1*4 Cavities, Hardened S136, Mirror Polish.
Product Spotlights
Custom thick-wall cosmetic packaging injection mold with hot runner, 1x4 cavities, hardened S136 steel, and mirror polish finish. Delivers flawless high-gloss surfaces, reduced cycle times, and long tool life. Backed by TS16969 certification and global shipping from China.
Negotiable
MOQ: 5000 Pieces (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Hardened S136 Steel
Cavities:
1x4
Runner System:
Hot Runner
Payment & Shipping
Payment Methods:
Port of Shipment:
Jiangsu，changzhou
Delivery Detail:
30 days
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Material
Hardened S136 Steel
Cavities
1x4
Runner System
Hot Runner
Surface Finish
Mirror Polish (SPI A1)
Application
Cosmetic Packaging
Wall Thickness
Thick-Wall
Certification
TS16969
Manufacturing Process
Custom Injection Molding
Mold Type
Precision Injection Mold
Polishing Grade
Mirror Polish
As a dedicated manufacturer from Changzhou Hongxinyutai Precision Mold Co., Ltd., established in 2017, we specialize in delivering precision tooling solutions for demanding applications. Our custom injection molding service for thick-wall cosmetic packaging is designed to meet the highest standards of surface quality, dimensional accuracy, and production efficiency. By combining a hot runner system with a 1×4 cavity configuration, hardened S136 steel, and mirror polish finish, we ensure your cosmetic packaging components achieve a flawless, high-gloss appearance while maintaining structural integrity. With a factory spanning 1,000–3,000 m² and a skilled team of 51–100 employees, we are equipped to handle complex projects with consistent quality.
Product Features & Technical Specifications
- Hot Runner System: Provides uniform melt flow and reduces cycle time, minimizing material waste and enabling faster production for thick-wall parts.
- 1×4 Cavity Design: Balances production output with mold complexity, offering four identical cavities per cycle for efficient manufacturing of cosmetic packaging components.
- Hardened S136 Steel: A premium corrosion-resistant steel with high hardness (48–52 HRC), ensuring long mold life and excellent dimensional stability under repeated injection cycles.
- Mirror Polish Finish: Achieves SPI A1 mirror surface (Ra ≤ 0.05 μm), essential for high-gloss cosmetic packaging that reflects brand quality.
- Thick-Wall Capability: Designed to handle wall thicknesses up to 8 mm or more, with optimized cooling channels to prevent sink marks and warpage.
- Customizable Gate Design: Options for pinpoint, submarine, or valve gates to suit specific cosmetic packaging geometry and aesthetic requirements.
- Precision Machining: CNC milling, EDM, and wire cutting tolerances within ±0.01 mm, ensuring tight shutoffs and consistent part dimensions.
| Parameter | Specification |
|---|---|
| Mold Base Material | Standard 45# or P20 (optional) |
| Cavity/Core Material | Hardened S136 (48–52 HRC) |
| Surface Finish | Mirror Polish (SPI A1) |
| Runner Type | Hot Runner (conical nozzle) |
| Number of Cavities | 1×4 (customizable to 1×8 or more) |
| Max Part Weight | Up to 100 g per cavity (depending on design) |
| Cycle Time Estimate | 25–40 seconds (thick-wall parts) |
| Injection Machine Tonnage | 150–300 tons |
Key Advantages for Cosmetic Packaging Molds
- Reduced Defects: Hot runner eliminates cold slug and reduces shear stress, resulting in fewer flow lines and weld lines on thick-wall cosmetic components.
- Enhanced Surface Brilliance: Mirror-polished cavities produce parts with a glass-like finish, eliminating the need for secondary painting or coating in many cosmetic designs.
- Longer Tool Life: Hardened S136 withstands high injection pressure and abrasive fillers (e.g., glass fiber, pigments) common in cosmetic resins, extending mold maintenance intervals.
- Cost-Efficient Mid-Volume Production: 1×4 cavity configuration offers a practical balance for annual volumes of 200,000–1,000,000 parts, with lower tooling investment compared to 8- or 16-cavity molds.
- Fast Lead Times: Our experienced engineering team can complete a complex thick-wall cosmetic mold within 30–45 days, depending on design complexity.
Trust & Reliability
At Changzhou Hongxinyutai Precision Mold Co., Ltd., we have been delivering precision molds since 2017. Our factory spans 1,000–3,000 square meters and employs 51–100 skilled workers dedicated to quality control and continuous improvement. We hold TS16969 certification, reflecting our commitment to rigorous process management and traceability. Our molds are exported globally to markets including North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and East Asia, shipped from major ports in Jiangsu, Shanghai, and Shenzhen. Every mold undergoes stringent testing—including dimensional inspection, trial shots, and surface evaluation—before delivery. We offer comprehensive after-sales support, including mold trial reports, maintenance recommendations, and spare parts availability. Partner with us for reliable, high-precision cosmetic packaging molds that elevate your product appeal.
Frequently Asked Questions
-
Q: What is the minimum order quantity (MOQ) for this mold?
A: For custom molds, we typically require one mold as the minimum. However, we can also discuss multi-cavity variants based on your volume needs. -
Q: How long does it take to manufacture a thick-wall cosmetic packaging mold?
A: Lead time is approximately 30–45 working days, depending on design complexity and polishing requirements. Rush options are available upon request. -
Q: Can you provide sample parts before mass production?
A: Yes. We will run trial shots and send you samples for approval. T0 samples are usually available within 20–25 days after design finalization. -
Q: What materials can be used with this mold? Are recycled resins supported?
A: The hardened S136 mold is compatible with a wide range of thermoplastics, including PP, ABS, PETG, acrylic, and recycled blends. Hot runner systems can be optimized for specific melt indices. -
Q: Do you offer mold trial reports and maintenance services?
A: Absolutely. We provide a detailed trial report with dimensions, cycle data, and part quality analysis. We also offer remote troubleshooting and spare parts for long-term support. -
Q: What is the maximum wall thickness this mold can produce?
A: Our design can accommodate wall thicknesses up to 10 mm. For thicker sections, we incorporate conformal cooling channels to ensure uniform cooling and reduce cycle time. -
Q: Is the mirror polish finish resistant to wear during production?
A: Yes. Hardened S136 combined with precise polishing maintains its surface integrity for hundreds of thousands of cycles. Regular maintenance will extend the polish life further. -
Q: Can you modify cavity count or add more cavities later?
A: We can design the mold base with future expansion in mind. An add-on cavity insert is possible, but it's more cost-effective to select the final cavity count at the design stage.
Send Inquiry to This Supplier
1Yr
Business Type
Manufacturer
Year Established
2017
Factory Size
1,000-3,000 square meters
Total Employees
51 - 100 People
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