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Help CenterCustom Thick-Wall Cosmetic Packaging Injection: Hardened S136 Steel Mold, High-Gloss Mirror Finish, Hot Runner System.
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Changzhou Hongxinyutai Precision Mold Co., Ltd. is a reliable manufacturer specializing in custom injection molds since 2017. Our Custom Thick-Wall Cosmetic Packaging Injection Mold features hardened S136 steel, a high-gloss mirror finish, and an optional hot runner system. This mold is engineered for producing premium cosmetic packaging—such as thick-wall jars, bottles, and caps—with exceptional clarity, durability, and surface aesthetics. With a factory size of 1,000–3,000 sqm, 51–100 skilled employees, and TS16969 certification, we deliver precision and consistency to global clients across North America, Europe, Asia, and beyond.
Product Features & Technical Advantages
- Premium Steel Selection: Hardened S136 stainless steel provides excellent corrosion resistance, high hardness (48–52 HRC), and superior polishing performance, ensuring long mold life and consistent part quality.
- High-Gloss Mirror Finish: Achieves SPI A1 mirror surface (Ra ≤ 0.05 µm), enabling crystal-clear, glossy cosmetic containers that require no secondary painting or coating.
- Hot Runner System (Optional): Reduces material waste, shortens cycle time, and eliminates cold runner regrinding, resulting in higher productivity and lower part cost. The system is fully customizable for your specific packaging design.
- Thick-Wall Design Capability: Optimized for wall thicknesses from 3 mm to 8 mm, offering structural robustness and premium feel for luxury cosmetic products. Our mold thermal management ensures uniform cooling and minimal warpage.
- Precision Machining & Quality Control: CNC machining, EDM, and CMM inspection guarantee cavity tolerances within ±0.01 mm, ensuring interchangeability and consistent product dimensions.
- Long Mold Life: S136 hardened steel with proper heat treatment and surface coating (e.g., TiN, CrN) supports 500,000 to 1,000,000 injection cycles, offering excellent return on investment for high-volume production.
Technical Specifications (Table)
| Parameter | Specification |
| Mold Steel | S136 H (Hardened), 48–52 HRC |
| Cavity Surface Finish | SPI A1 Mirror (Ra ≤ 0.05 µm) |
| Runner System | Cold runner (standard) / Hot runner (optional) |
| Max Product Weight | Up to 500 g per shot (depending on cavity) |
| Wall Thickness Range | 3 – 8 mm (customizable) |
| Injection Machine Tonnage | 100 – 500 tons (recommended) |
| Mold Life Expectancy | 500,000 – 1,000,000 cycles |
| Lead Time | 25–35 days (after design approval) |
| Certification | TS16969 |
Benefits for Your Cosmetic Packaging Production
- Flawless Surface Quality: Mirror-finished cavities eliminate lines, flow marks, and dull spots, giving your jars or bottles a premium, glass-like appearance without secondary polishing.
- Increased Productivity: The optional hot runner system cuts cycle time by 15–30%, reduces material waste, and allows fully automated production for lower labor costs.
- Design Flexibility: Our engineering team can adjust wall thickness, cavity geometry, gate location, and cooling channels to meet your specific packaging requirements—from small lotions to large cream jars.
- Durable Mold for Mass Production: Hardened S136 steel with proper maintenance ensures consistent part quality over hundreds of thousands of shots, reducing downtime and replacement costs.
- Global Shipping & Support: With ports in Jiangsu, Shanghai, and Shenzhen, we offer efficient logistics to North America, South America, Europe, Southeast Asia, Africa, Oceania, and more. We provide mold trial reports, drawings, and after-sales technical support.
Trust & Credibility
Founded in 2017, Changzhou Hongxinyutai Precision Mold Co., Ltd. has grown into a factory covering 1,000–3,000 square meters with 51–100 experienced employees. Our manufacturing quality system is certified under TS16969, ensuring rigorous process control and consistent output. We serve a diverse international client base, including markets in Eastern Europe, North America, South America, and Southeast Asia. Every mold undergoes thorough testing before shipment, and we provide detailed quality inspection reports. Our team is committed to delivering molds that meet your exact specifications, on time and at competitive pricing. To discuss your custom thick-wall cosmetic packaging project, contact us today for a free mold design consultation and quotation.
Frequently Asked Questions (FAQ)
Q1: What is the minimum order quantity (MOQ) for a custom mold?
A: We typically require a minimum order of one set of mold. For special multi-cavity designs, please contact our sales team for details.
Q2: How long does it take to produce a thick-wall cosmetic packaging mold?
A: Standard lead time is 25–35 days from design approval. Complex molds with hot runner systems or multiple slides may require up to 45 days.
Q3: Can you produce molds for different plastic materials like PET, PP, or ABS?
A: Yes, our S136 steel molds are suitable for a wide range of cosmetic-grade thermoplastics, including PET, PP, ABS, PMMA, and more. We can adjust mold design for material-specific shrinkage and flow characteristics.
Q4: Do you provide mold trial samples before mass production?
A: Absolutely. We offer mold trial services, and we can ship you up to 50 sample parts for evaluation. Once approved, we proceed with full production.
Q5: Is the mirror finish suitable for high-transparency products?
A: Yes, our SPI A1 mirror finish (Ra ≤ 0.05 µm) is ideal for producing high-gloss, transparent or translucent cosmetic packaging. The surface clarity is comparable to glass, enhancing product premium perception.
Q6: What kind of after-sales support do you offer?
A: We provide 12-month warranty for mold defects under normal usage. Technical support via email/video call is available, and we can arrange on-site assistance for large projects if needed.
Q7: Do you ship to my country? What are the shipping terms?
A: We ship worldwide from Jiangsu, Shanghai, and Shenzhen ports. Common terms are FOB, CIF, or EXW. We have experience exporting to North America, Europe, South America, Asia, Africa, and Oceania.
Q8: Can I customize the hot runner system brand?
A: Yes, we can integrate hot runner systems from well-known brands such as Yudo, Mold-Masters, or HUSKY, according to your preference and budget.
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