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Help CenterThick-Wall PMMA Cosmetic Jar Mold for Premium Brands: 1*4 Cavities Hot Runner, S136 Steel
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Changzhou Hongxinyutai Precision Mold Co., Ltd. presents our Thick-Wall PMMA Cosmetic Jar Mold — a precision-engineered solution tailored for premium brands seeking flawless packaging. Leveraging over seven years of mold manufacturing expertise housed in a 1,000–3,000 m² facility with 51–100 skilled professionals, we deliver molds that combine durability with outstanding surface quality. This specific mold features a 1×4 cavity hot runner system and is built from S136 steel, ensuring high cycle efficiency, uniform filling, and exceptional resistance to wear and corrosion. Whether you are producing luxury skincare jars or high-end cosmetic containers, our mold guarantees consistent wall thickness, brilliant transparency, and a mirror-like finish that elevates your product’s visual appeal.
Backed by our TS16969 quality management certification (applicable to automotive-grade tooling), this mold meets rigorous international standards for precision and reliability. We serve markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and Asia, with convenient shipping from Jiangsu, Shanghai, or Shenzhen ports. Customization options are available to match your specific jar dimensions, thread designs, and branding requirements.
Key Features & Technical Specifications
- Premium Material: S136 stainless steel (48–52 HRC) ensures superior corrosion resistance, high mirror polishability, and long mold life (500,000+ shots under normal conditions).
- Hot Runner System: 1×4 cavity design with individually controlled nozzle tips for balanced melt flow, reduced scrap, and faster cycle times (approx. 20–25 seconds per shot for typical 30g PMMA jar).
- Thick-Wall Capability: Optimized for wall thicknesses from 5 mm to 12 mm, providing robust jar strength while maintaining optical clarity in PMMA.
- Precision Cooling: Conformal cooling channels and optimized water circuit design minimize thermal stress, reduce warpage, and maintain part dimensional stability within ±0.05 mm.
- Easy Maintenance: Quick-change core and cavity inserts, accessible hot runner manifold, and modular construction reduce downtime for color changes or cleaning.
- Customization Options: Available with various gate types (valve gate or open nozzle), thread unscrewing mechanisms, and venting solutions based on your product design.
Technical Parameters (Typical Example)
| Parameter | Value |
| Mold Base Size | 350 mm × 350 mm (customizable) |
| Cavity Steel | S136 (ESR refined) |
| Hot Runner Supplier | Mold Master / Yudo / Synventive (optional) |
| Cycle Time | 20–30 seconds (material & design dependent) |
| Part Weight Range | 15–50 grams |
| Injection Machine Tonnage | 80–150 tons (depending on part size) |
Benefits for Your Business
- Enhanced Brand Image: The mirror-polished cavity produces jars with a crystal-clear, glossy surface that communicates premium quality and attracts consumers.
- Higher Productivity: Hot runner system eliminates cold runners, reducing cycle time and material waste. 1×4 cavities yield up to 4 parts per cycle, boosting output by 300% compared to single-cavity molds.
- Lower Total Cost of Ownership: S136 steel offers exceptional wear resistance, extending mold life beyond 500,000 cycles, even when processing abrasive PMMA compounds. Reduced downtime and maintenance costs translate to better ROI.
- Design Flexibility: We can customize thread forms, undercut mechanisms, and even integrate in-mold labels. Our engineering team supports DFM (Design for Manufacturing) to optimize your jar design for moldability.
- Global Logistics: With shipping options from Jiangsu, Shanghai, and Shenzhen, we ensure timely delivery to any region worldwide. Our experienced logistics partners handle customs and freight efficiently.
Trust the expertise behind 7+ years of precision mold making. At Changzhou Hongxinyutai Precision Mold Co., Ltd., we have successfully delivered hundreds of molds for cosmetic packaging, food containers, and medical devices. Our TS16969 certification demonstrates our commitment to quality systems, and our 51–100 skilled team members ensure each mold is crafted with meticulous attention. We have supplied to premium brands across Europe, North America, and Asia — factories that demand nothing less than excellence. When you choose our Thick-Wall PMMA Cosmetic Jar Mold, you are investing in a tool that will produce consistent, high-quality jars day after day, season after season.
Contact us today to discuss your project. We offer free DFM analysis, competitive lead times (typically 25–35 working days), and comprehensive after-sales support including spare parts and on-site training. Let us help you bring your premium cosmetic jar vision to life with a mold that truly delivers.
Frequently Asked Questions (FAQ)
1. What is the typical lead time for this mold?
Standard lead time is 25–35 working days after design approval. For rush orders, we may shorten to 20 days, subject to capacity.
2. Can you customize the cavity count or runner system?
Yes, we offer 1×2, 1×4, 1×8, or other cavity arrangements. Hot runner, cold runner, or hybrid systems are available. Contact our engineers for an optimal recommendation.
3. What materials can this mold process besides PMMA?
The mold is suitable for other transparent or opaque thermoplastics such as PETG, SAN, ABS, and PS. Proper venting and cooling adjustments may be required for different resins.
4. How do you ensure the mold produces parts with no visible weld lines or sink marks on thick walls?
We use mold flow simulations to optimize gate location, runner balance, and cooling. Hot runner valve gates and conformal cooling reduce internal stresses, minimizing defects. Our S136 mirror polish further eliminates surface imperfections.
5. Do you provide samples before mass production?
Yes, we can produce T0 samples for approval. Sample quantity and lead time will be discussed based on the mold complexity. We usually deliver first shots within 2 weeks of mold completion.
6. What is the warranty period for this mold?
We offer a 12-month warranty against manufacturing defects, excluding wear parts. Spare components (nozzle tips, seals, heaters) are readily available for quick replacement.
7. Can you assist with the injection molding process setup?
Absolutely. We provide detailed molding parameters (temperature, pressure, speed) and can offer on-site commissioning support at your factory (travel expenses apply). Remote guidance via video call is also available.
8. Do you comply with international quality standards?
Our molds are manufactured under a TS16969-certified quality system. We also follow ISO 9001 principles, and we can provide material certificates, dimension reports, and FAI (First Article Inspection) reports upon request.
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