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Help CenterSquare Thick-Wall Cosmetic Jar Mold: 1*4 Cavities, S136 Mirror Finish, Robotic Arm Ready
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Changzhou Hongxinyutai Precision Mold Co., Ltd., established in 2017 with a modern factory spanning 1,000–3,000 square meters and a dedicated team of 51–100 employees, proudly presents the Square Thick-Wall Cosmetic Jar Mold — a precision-engineered solution for producing high-quality, thick-walled square cosmetic jars. This mold features a 1×4 cavity layout, crafted from premium S136 stainless steel with a flawless mirror finish, and is designed to be robotic arm ready for automated demolding. Whether you are launching a new skincare line or upgrading your packaging production, this mold delivers exceptional durability, consistent output, and superior surface gloss that elevates your product’s market appeal.
Below we provide a comprehensive breakdown of its technical specifications, key advantages, and how it can benefit your manufacturing process.
Product Highlights & Technical Specifications
- Cavity Configuration: 1 × 4 cavities – balanced hot runner or cold runner design (optional).
- Mold Steel: S136 (equivalent to 1.2083) – high corrosion resistance, excellent polishability, and long service life.
- Surface Finish: Mirror polish (SPI A1 grade) – ensures a glass-like cavity surface for ultra-smooth jar exteriors.
- Thick-Wall Design: Optimized for molding thick-walled (≥3 mm) square jars without sink marks or warpage.
- Robotic Arm Integration: Ejector plate with standard mounting holes and knock-out pattern compatible with common robotic arms (e.g., Yaskawa, ABB, Fanuc).
- Cooling System: Conformal cooling channels for uniform temperature control, reducing cycle time by up to 15%.
- Mold Life: 1,000,000+ shots under normal maintenance conditions.
- Dimensions (Approx.): 400 × 350 × 320 mm (customizable based on your jar size).
| Parameter | Value |
|---|---|
| Cavity Count | 4 (1×4) |
| Steel Grade | S136 (H13 optional) |
| Hardness | 48–52 HRC |
| Surface Roughness | Ra ≤ 0.025 μm |
| Gating System | Hot runner or cold runner (optional) |
| Mold Base | Standard LKM or custom DME |
| Cycle Time | 12–18 seconds (depends on material & wall thickness) |
| Weight (Approx.) | 180 kg |
Key Benefits for Your Production
- Enhanced Surface Quality: The S136 mirror finish eliminates secondary polishing operations, giving your jars a high-end gloss that attracts customers on the shelf.
- Reduced Scrap Rate: Precision-machined cavities and balanced cooling minimize defects like short shots, flash, and sink marks.
- Automation-Ready: Robotic arm compatibility allows for unmanned operation, lowering labor costs and increasing throughput.
- Durability & Low Maintenance: S136 steel resists corrosion from acidic cosmetic formulations, extending mold life and reducing downtime.
- Flexible Customization: We can modify cavity dimensions, thread design, or add in-mold labeling features to meet your specific jar specifications.
- Faster Time-to-Market: Our in-house team completes mold design and manufacturing within 25–35 working days, with trial samples provided before shipping.
Why Choose Changzhou Hongxinyutai Precision Mold Co., Ltd.?
Since 2017, we have grown into a reliable partner for the global packaging industry. Our factory spans 1,000–3,000 square meters with a skilled workforce of 51–100 people, and we hold TS16969 certification (applicable to automotive and high-precision molding). We serve markets across North America, South America, Europe, Asia, Africa, and Oceania, and we ship from Jiangsu, Shanghai, and Shenzhen ports with efficient logistics. Every mold undergoes rigorous quality checks including dimensional inspection, hardness test, and trial runs. We also provide a 12-month warranty against manufacturing defects and offer lifetime technical support. When you choose our Square Thick-Wall Cosmetic Jar Mold, you are not just buying a tool — you are investing in a partnership that prioritizes precision, reliability, and your business growth.
Ready to elevate your cosmetic jar production? Contact us today for a quote or technical consultation. We can also provide free mold flow analysis to optimize your part design before production begins.
Frequently Asked Questions
- Q: What materials can this mold process? A: It is optimized for PP, PETG, ABS, PS, SAN, and PMMA. For high-clarity jars, we recommend PMMA or PETG. The S136 steel handles these materials with minimal wear.
- Q: Is the mold compatible with my existing injection molding machine? A: We design the mold base to match your machine’s tie-bar distance, shot size, and ejector pattern — just provide your machine specs. The robotic arm interface is also customizable.
- Q: Can the cavity number be increased? A: Yes, we offer 1×2, 1×4, 2×4, or other configurations based on your production volume. The current design is a single-cavity set with 4 cavities, but we can modify the layout.
- Q: How long does mold manufacturing take? A: Typically 25–35 working days for standard designs. Complex customization may add 5–10 days. We provide a production schedule before order confirmation.
- Q: What is the delivery port and shipping cost? A: We ship from Jiangsu, Shanghai, or Shenzhen port. Shipping cost depends on weight and destination; we can arrange sea or air freight with your preferred forwarder.
- Q: Do you offer after-sales technical support? A: Yes, we provide free remote troubleshooting and spare parts (e.g., heater bands, thermocouples) within the warranty period. Our engineers are available via email, phone, or video call.
- Q: Is the mirror finish guaranteed for the entire mold life? A: With regular maintenance (polishing every 200,000 shots), the mirror finish can be restored. The S136 steel itself maintains polishability even after long-term use.
- Q: Can I get sample jars before mass production? A: Absolutely. After the mold is completed, we will produce trial samples and send them to you for approval. We can also modify the mold based on sample feedback at no extra charge (within reasonable scope).
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