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Help CenterOEM Thick-Wall PMMA Cosmetic Jar: Hot Runner Injection Mold, 1x4 Cavity
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We, Changzhou Hongxinyutai Precision Mold Co., Ltd., are proud to present our OEM Thick-Wall PMMA Cosmetic Jar Mold, featuring a hot runner injection system and a 1x4 cavity configuration. This mold is specifically engineered to produce premium acrylic cosmetic jars that meet the rigorous demands of luxury skincare and cosmetic brands. The thick-wall design delivers a tactile, high-quality feel with exceptional clarity, while the hot runner system ensures efficient material usage and reduced cycle times. Our commitment to precision mold manufacturing guarantees consistent part quality and reliable production performance.
Key Features and Technical Specifications
- Material Excellence: PMMA (acrylic) offers outstanding transparency (up to 92% light transmission), UV resistance, and scratch resistance. The thick-wall construction enhances the jar's structural integrity and perceived value.
- Hot Runner System: Equipped with individually controlled hot nozzles, this system minimizes material waste, shortens cooling periods, and maintains uniform melt flow across all cavities. Compared to cold runner molds, material savings can reach 20-30%.
- 1x4 Cavity Balanced Fill: Our advanced flow analysis ensures each cavity fills evenly, reducing internal stress and warpage. This results in consistent wall thickness and dimensional accuracy.
- Mold Construction: High-grade tool steel options (e.g., 2343, 2738, S136) are selected based on production volume and surface finish requirements. The mold base is sturdy and designed for high-speed cycling.
- Surface Finish: Cavities are mirror-polished to Ra 0.05 μm or better, guaranteeing a flawless, glossy surface on the finished jar. Optional texture or matte finishes are also available.
- Customizable Options: We can modify cavity dimensions, thread design, logo engraving, and even incorporate a tamper-evident closure feature. All customizations are done in close collaboration with the client.
Technical Parameters (Example)
| Parameter | Specification |
| Cavity Quantity | 1x4 |
| Mold Base Material | S50C / P20 (customizable) |
| Injection System | Hot runner with needle valve gates (individual temp control) |
| Product Wall Thickness | 3 mm – 8 mm (adjustable) |
| Expected Mold Lifespan | 500,000 – 1,000,000 shots |
| Mold Certification | TS16969 |
| Estimated Cycle Time | 25-40 seconds (depending on part weight) |
Advantages for Your Business
Our hot runner thick-wall PMMA jar mold is designed to give you a competitive edge in the cosmetic packaging market. By using a hot runner system, you reduce raw material costs and shorten production cycles, leading to higher output and lower per-unit expenses. The 1x4 cavity layout is ideal for medium-volume production runs while maintaining the flexibility of a multi-cavity setup. Additionally, the thick-wall construction of the jar provides a premium tactile experience that end consumers associate with high-end brands.
The mold's robust steel selection and advanced cooling channels (conformal cooling design) ensure uniform temperature distribution, minimizing downtime due to warpage or sticking. With our rigorous quality control – including 3D coordinate measurement and mold trial testing – we deliver a mold that performs consistently from the first shot to the millionth.
Company Strength & Trust – Why Choose Hongxinyutai?
Established in 2017, Changzhou Hongxinyutai Precision Mold Co., Ltd. operates a modern facility of 1,000–3,000 square meters with a dedicated team of 51–100 experienced professionals. We hold TS16969 certification, underscoring our commitment to automotive-grade precision and quality management. Our molds are exported to markets including North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, East Asia, Western Europe, Central America, Northern Europe, Southern Europe, South Asia, and the domestic Chinese market. We ship from Jiangsu, Shanghai, and Shenzhen ports, ensuring fast and reliable logistics.
We not only build molds – we build partnerships. Our engineers work closely with you from concept to mass production, providing free design optimization suggestions. We offer comprehensive after-sales support including mold testing guidance, maintenance training, and spare parts supply. Contact us today to discuss your cosmetic jar mold requirements and discover how our expertise can elevate your product line.
Frequently Asked Questions (FAQ)
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What is the minimum order quantity for this injection mold?
We accept orders starting from 1 set. Sample molds and pilot runs are also available for initial evaluation. -
How long does it take to produce the mold?
Standard lead time is 40–60 days after final design approval. For urgent orders, expedited production can be arranged. -
Can the mold be adapted for different jar sizes or capacities?
Yes, our mold design is highly flexible. We can adjust cavity dimensions, wall thickness, and capacity (e.g., 30 ml, 50 ml, 100 ml) to match your specific product. -
What is the expected lifespan of the mold under normal production?
With proper maintenance, our molds can achieve 500,000 to 1,000,000 injection cycles. Regular cleaning and rust prevention will extend the service life further. -
Do you provide sample jars before mass production?
Absolutely. We will conduct trial runs and send you sample jars (typically 5–10 pieces per cavity) for quality approval before committing to full production. -
What payment terms do you accept?
We commonly accept T/T (30% deposit, 70% before shipment) and L/C at sight. Other terms can be negotiated. -
How is the mold packaged for export?
Our molds are securely packed in export-grade wooden crates, coated with anti-rust oil, and wrapped in waterproof film. We ensure safe transportation worldwide. -
Can you engrave our brand logo or text on the mold cavity?
Yes, we can incorporate custom logos, text, or artwork directly into the cavity surface. This creates a permanent embossed or debossed mark on the finished jar.
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