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Help CenterInjection Mold for Cosmetic Packaging, Thick-Wall Design, PMMA/PETG, 1*4 Cavities Hot Runner, S136 Steel, 300K Shots, Sodick EDM Finish.
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As a reliable manufacturer from Changzhou, China, Changzhou Hongxinyutai Precision Mold Co., Ltd. has been dedicated to delivering high-quality precision molds since 2017. Our Injection Mold for Cosmetic Packaging features a thick-wall design, engineered to produce robust and visually appealing containers. With materials such as PMMA and PETG, this mold ensures excellent transparency and chemical resistance, meeting the stringent demands of the cosmetics industry. Combined with advanced hot runner technology and premium S136 steel, this mold offers exceptional durability and long service life—rated for 300,000 shots.
Our manufacturing expertise is backed by a factory of 1,000-3,000 square meters and a skilled team of 51-100 people. We hold TS16969 certification, reflecting our commitment to quality management systems. The mold is crafted using Sodick EDM for a mirror-like surface finish, crucial for cosmetic packaging where clarity and texture matter. Below we highlight the key technical specifications and advantages.
Key Features & Benefits
- Thick-Wall Design: Provides superior strength and structural integrity for cosmetic containers, reducing risk of cracking during filling, shipping, and daily use. Ideal for premium lotion bottles, jars, and heavy-duty packaging.
- High-Transparency Materials (PMMA/PETG): Achieves optical clarity comparable to glass but with lighter weight and impact resistance. PETG offers excellent chemical resistance to cosmetics like essential oils and perfumes.
- 1x4 Cavity Hot Runner System: Increases production efficiency by filling four cavities simultaneously with precise temperature control. Reduces cycle time, minimizes waste, and ensures consistent part quality across cavities.
- S136 (Stavax) Steel Construction: A high-grade stainless mold steel with exceptional corrosion resistance, toughness, and polishability. Ensures long mold life and low maintenance, even when running abrasive or corrosive materials.
- 300,000 Shots Rated Life: Proven durability for medium-to-high volume production runs. Each mold is thoroughly tested to meet the shot count guarantee, offering excellent return on investment.
- Sodick EDM Finish: Delivers a mirror-like surface finish (Ra ≤ 0.1 μm) directly from EDM, reducing the need for secondary polishing. This results in smooth cavity surfaces that replicate accurately onto the final product, enhancing the glossy appearance of cosmetic packaging.
- TS16969 Certified Manufacturing: Our quality system ensures every mold is produced under strict process control, from design to delivery. This certification demonstrates our capability to meet automotive-level precision, which translates to superior mold performance.
Technical Specifications
| Parameter | Value |
|---|---|
| Mold Material | S136 (Stavax) Stainless Steel |
| Cavity & Core | 1x4 (4 cavities) |
| Runner System | Hot Runner (manifold & nozzles included) |
| Product Material Compatibility | PMMA, PETG, and similar transparent resins |
| Mold Life Expectancy | ≥ 300,000 shots (under normal maintenance) |
| Surface Finish Quality | Mirror-like, Ra ≤ 0.1 μm (via Sodick EDM) |
| Wall Thickness | Customizable, typically 2–5 mm for thick-wall design (per client specification) |
| Cooling System | Conformal or conventional channels, optimized for fast cycle times |
| Delivery Options | Ex-works, FOB (Jiangsu/Shanghai/Shenzhen ports) |
Detailed Advantages for Your Production
Choosing our injection mold for cosmetic packaging means investing in reliability and efficiency. The thick-wall design not only enhances product strength but also allows for deeper textures and intricate shapes without deformation. PMMA and PETG materials are known for their clarity, but they require precise temperature control during molding—our hot runner system ensures uniform melt flow, reducing internal stresses and warpage.
The S136 steel we use is through-hardened and vacuum-treated to minimize thermal distortion. Combined with Sodick EDM, we achieve cavity surfaces that require little to no manual polishing, saving lead time and labor costs. The 300,000-shot rating is conservative; with proper maintenance, many of our molds surpass 500,000 shots. This longevity directly reduces your per-part tooling cost.
We understand that cosmetic packaging often involves tight tolerances and aesthetic demands. Our molds are designed with efficient cooling lines to shorten cycle times by 10-15% compared to standard molds, which increases your daily output. Furthermore, we provide comprehensive testing and sample reports before shipment, ensuring the mold runs smoothly on your injection molding machine.
Trust & Service Commitment
Since 2017, Changzhou Hongxinyutai Precision Mold Co., Ltd. has served clients across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our factory spans 1,000-3,000 square meters, equipped with advanced CNC, EDM, and inspection equipment. With a dedicated team of 51-100 skilled technicians and engineers, we maintain TS16969 certification, which guarantees quality control at every stage—from design review to final testing.
We ship molds via FOB from Jiangsu, Shanghai, or Shenzhen ports, with full documentation and packaging. Every mold comes with a one-year warranty against defects in materials and workmanship. Our after-sales support includes remote technical assistance, spare parts availability, and mold maintenance guidance. By choosing us, you partner with a manufacturer that prioritizes your production success.
Ready to start your cosmetic packaging project? Contact us for a customized quotation and sample test. We will work closely with you to tailor the mold design specifically for your product dimensions, material, and production volume.
Frequently Asked Questions (FAQ)
Q1: Can this mold be used for other materials besides PMMA and PETG?
A: Yes, the mold is designed primarily for transparent amorphous polymers. It can also run materials like PC, SAN, or PS, but we recommend a material compatibility check to ensure no chemical attack on the mold steel or hot runner components.
Q2: What is the typical cycle time for a thick-wall cosmetic container using this mold?
A: Cycle time depends on wall thickness and cooling efficiency. For a 3 mm thick wall, typical cycles range from 20 to 35 seconds. Our optimized cooling can reduce cycle times by up to 15% compared to conventional designs.
Q3: Do you provide mold samples before production?
A: Yes, we offer sample shots (T1 samples) for customer approval before shipping the full mold. Samples can be made from your specified material or a similar substitute for testing.
Q4: How long does it take to manufacture this mold?
A: Lead time is typically 30-45 working days, depending on complexity and current order load. We can discuss expedited options for urgent projects.
Q5: What maintenance is required to achieve 300,000 shots?
A: Regular cleaning of cavity surfaces, periodic inspection of hot runner system (nozzle tips, thermocouples), and application of anti-rust spray during storage. We provide a detailed maintenance guide with each mold.
Q6: Can the cavity layout be modified to 1x2 or 2x2?
A: Yes, the 1×4 layout is standard, but we can redesign the mold base and hot runner manifold to accommodate different cavity numbers (e.g., 1×2 or 2×2) based on your production volume requirements.
Q7: Is the hot runner system from a specific brand?
A: We use high-quality hot runner systems from reputable brands such as YUDO, Hasco, or equivalent. The system is fully customizable according to your preference.
Q8: What is the warranty period for this mold?
A: We offer a 12-month warranty from the date of shipment covering manufacturing defects. This includes issues like premature wear, cracking, or hot runner malfunctions not caused by improper use.
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