Industrial Thick-Wall Plastic Injection Molding for Cosmetics - 1*4 Cavity, Hardened S136, 300K Cycles, Glossy Finish
Product Spotlights
Welcome to Changzhou Hongxinyutai Precision Mold Co., Ltd. As a professional manufacturer with over 7 years of experience in precision injection molds, we are proud to present our Industrial Thick-Wall Plastic Injection Molding for Cosmetics - 1*4 Cavity, Hardened S136, 300K Cycles, Glossy Finish. This mold is specifically engineered to produce thick-walled cosmetic containers (e.g., jars, compacts) with exceptional surface quality and dimensional stability. Using premium hardened S136 steel and a carefully optimized 1*4 cavity layout, we ensure consistent production of glossy, defect-free parts that meet the high demands of the cosmetics industry. Our mold offers a reliable 300,000-cycle lifespan, backed by our TS16969-certified manufacturing process.
Key Features & Technical Specifications
- Mold Material: Hardened S136 stainless steel – offers excellent corrosion resistance, high wear resistance, and mirror polish ability, ideal for glossy cosmetic parts.
- Cavity Count: 1*4 (one row of four cavities) – balanced filling and ejection for thick-wall parts, increasing efficiency without compromising quality.
- Cycle Life: 300,000 shots – designed for medium-to-high volume production with minimal maintenance.
- Surface Finish: Glossy (SPI A-1 level) – polished mirror-like finish that meets cosmetic packaging standards, eliminating secondary painting or coating.
- Cooling System: Strategically designed cooling channels to reduce cycle time and prevent warpage in thick-wall sections.
- Ejection System: Smooth ejection using hardened ejector pins and guided ejector plates to avoid part deformation.
- Hot Runner / Cold Runner: Cold runner system with optimized gate location – customizable to hot runner upon request.
Technical Data Table
| Parameter | Value |
| Cavity Count | 1 x 4 |
| Mold Base Material | Standard or Custom (e.g., LKM, HASCO) |
| Steel Hardness | HRC 48-52 (S136) |
| Surface Finish Grade | SPI A-1 (Mirror Gloss) |
| Guaranteed Cycle Life | 300,000 Shots |
| Part Material Compatibility | PP, ABS, PS, PC, PMMA, etc. (thick-wall up to 5mm+) |
| Mold Weight (approx.) | 800-1500 kg (depends on part size) |
| Lead Time | 25-40 days (depending on complexity) |
Advantages & Customer Benefits
- Superior Part Quality: Hardened S136 steel with mirror polishing yields glossy surfaces without flow marks or weld lines, reducing post-processing costs.
- Reliable Long Run: 300,000-cycle warranty under normal production conditions – each mold undergoes rigorous trial tests before shipment.
- Optimized for Thick Walls: Special cooling and gate design ensures uniform shrinkage and minimal sink marks, even for parts with wall thickness >3mm.
- Cost Efficiency: 1*4 cavity design balances initial investment and output rate – ideal for medium-volume cosmetic production.
- Customization Available: We can modify cavity layout, runner system, texturing, or insert options to match your specific product designs.
- Easy Maintenance: Hardened steel inserts and replaceable components extend overall tool life and simplify repairs.
Trust & Credentials
Founded in 2017, Changzhou Hongxinyutai Precision Mold Co., Ltd. operates a modern factory spanning 1,000-3,000 square meters with 51-100 skilled employees. We hold TS16969 certification, demonstrating our commitment to quality management in precision mold manufacturing. Our molds are shipped globally to markets including North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and across Asia. This cosmopolitan experience ensures our molds meet international standards for durability and performance.
Every mold we produce is backed by our dedicated engineering team, rigorous inspection protocols, and after-sales support. When you choose our Industrial Thick-Wall Plastic Injection Molding for Cosmetics, you are investing in a tool that delivers consistent gloss, stable dimensions, and long service life. We invite you to contact us for a detailed quotation or to discuss custom modifications to fit your production line. Let us help you bring your cosmetic packaging to the next level.
Frequently Asked Questions (FAQ)
Q1: Can this mold be used for materials other than PP/ABS?
A: Yes, it is compatible with many thermoplastics such as PS, PC, PMMA, and even some engineering plastics. However, please confirm with our engineers for specific material shrinkage and melt temperature adjustments.
Q2: What is the typical lead time for this 1*4 cavity mold?
A: Standard lead time is 25-40 days after design approval. Rush orders can be accommodated with additional charges.
Q3: Do you provide samples before mass production?
A: Yes, we offer T1 sample shots for your approval. Any required modifications will be made before final delivery.
Q4: What maintenance is needed for a 300,000-cycle life?
A: Regular cleaning, lubrication of moving parts, and inspection of cooling channels are recommended. We also provide maintenance guidelines and spare parts upon request.
Q5: Is the glossy finish achieved without secondary polishing?
A: The mirror-polished cavity inserts produce a glossy finish directly from molding. However, very high optical clarity (for PMMA) may require additional treatment – we can advise on the best approach.
Q6: Can the cavity count be changed to 1*2 or 1*6?
A: Yes, we can redesign the mold layout to different cavity configurations based on your volume requirements. Please specify your preference during inquiry.
Q7: Do you offer hot runner options for this mold?
A: Certainly. We can integrate hot runner systems (e.g., from Yudo or Mold-Masters) for faster cycles and reduced waste. Additional costs apply.
Q8: What shipping ports do you use?
A: We ship from Jiangsu, Shanghai, and Shenzhen ports. Mold can be packed in wooden crates with export-standard protection.
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