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Custom Injection Molding for Thick-Wall Cosmetic Compacts: 1*4 Cavities, Hot Runner, Hardened S136, High Gloss, Robotic Arm

Custom Injection Molding for Thick-Wall Cosmetic Compacts: 1*4 Cavities, Hot Runner, Hardened S136, High Gloss, Robotic Arm photo-1
Custom Injection Molding for Thick-Wall Cosmetic Compacts: 1*4 Cavities, Hot Runner, Hardened S136, High Gloss, Robotic Arm photo-2
Custom Injection Molding for Thick-Wall Cosmetic Compacts: 1*4 Cavities, Hot Runner, Hardened S136, High Gloss, Robotic Arm photo-3
Custom Injection Molding for Thick-Wall Cosmetic Compacts: 1*4 Cavities, Hot Runner, Hardened S136, High Gloss, Robotic Arm photo-4
Custom Injection Molding for Thick-Wall Cosmetic Compacts: 1*4 Cavities, Hot Runner, Hardened S136, High Gloss, Robotic Arm photo-5

Product Spotlights

Custom injection molding for thick-wall cosmetic compacts using 1×4 cavity hot runner, hardened S136 steel, and robotic arm automation. Achieve high-gloss mirror finish directly from mold, reduce cycle time by up to 30%, and ensure consistent quality across cavities. TS16969 certified, 1000–3000 sqm factory, global shipping.
Negotiable MOQ: 5000 Pieces (Price negotiable depending on order volume and customization)
Key Specifications
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Cavity Configuration:
1*4
Runner System:
Hot Runner
Steel Material:
Hardened S136
Payment & Shipping
Payment Methods:
Port of Shipment:
Jiangsu,changzhou
Delivery Detail:
30 days
Cavity Configuration 1*4
Runner System Hot Runner
Steel Material Hardened S136
Surface Finish High Gloss
Automation Robotic Arm
Application Thick-Wall Cosmetic Compacts
Certification TS16969
Mold Life Customizable
Delivery Port Jiangsu, Shanghai, Shenzhen

Welcome to Changzhou Hongxinyutai Precision Mold Co., Ltd. – your trusted partner in precision custom injection molding solutions. Founded in 2017 and located in Changzhou, Jiangsu, China, we operate a modern 1,000–3,000 square meter facility with a dedicated team of 51–100 experienced professionals. Our Custom Injection Molding for Thick-Wall Cosmetic Compacts stands out as a specialized service designed to deliver high-quality, high-gloss cosmetic packaging that meets the rigorous demands of the beauty industry. Leveraging a 1×4 cavity hot runner system with hardened S136 steel and robotic arm extraction, we ensure exceptional consistency, fast cycle times, and a flawless surface finish. Whether you need prototypes or volume production, our TS16969-certified process guarantees precision and reliability.

Key Features & Technical Specifications

  • 1×4 Cavity Hot Runner System – Balanced flow ensures uniform fill for thick-wall parts, reducing warpage and sink marks typical in cosmetic compacts.
  • Hardened S136 Tool Steel – Corrosion-resistant and mirror-polished to achieve a high-gloss surface finish (
  • High Gloss Surface – Achieved through precision polishing and controlled molding parameters, meeting luxury cosmetic brand standards.
  • Robotic Arm Part Extraction – Fully automated handling minimizes cycle time and eliminates human contamination, perfect for cleanroom-like environments.
  • Thick-Wall Capability – Optimized for wall thickness 2–5 mm, maintaining dimensional stability and structural integrity.
  • Hot Runner Temperature Control – Individual zone control (±1°C) for consistent melt flow, reducing material degradation.
  • TS16969 Certified Process – Adheres to automotive-grade quality management, ensuring traceability and defect prevention.

Technical Parameters (Reference Data)

Parameter Value
Cavity Number 1×4 (4 cavities)
Runner Type Hot Runner (multi-gate optional)
Steel Grade Hardened S136 (48–52 HRC)
Surface Finish A1 grade diamond polish, Ra ≤ 0.05 μm
Cycle Time (typical) 20–35 seconds (depends on material & geometry)
Robotic Arm Type 5-axis, payload 5 kg, vacuum pick & place
Material Compatibility PP, ABS, PC, PMMA, SAN, etc.
Mold Base LKM or equivalent, standard or custom

Benefits to Your Business

  • Reduced Secondary Operations – High gloss directly from the mold eliminates polishing or painting costs.
  • Faster Time to Market – Hot runner and robotic arm reduce cycle times by up to 30% compared to cold runner systems.
  • Consistency Across Cavities – 1×4 design guarantees less than ±0.02 mm cavity-to-cavity variation.
  • Long Tool Life – Hardened S136 resists wear, providing 500,000+ shots before reconditioning.
  • Clean Production – Robotic handling minimizes contamination, ideal for cosmetic products that require high hygiene standards.
  • Flexible Volumes – We support from small trial runs (500 pcs) to mass production (50k–500k per month).

Why Choose Changzhou Hongxinyutai? Our commitment to quality is backed by TS16969 certification – a quality management system originally developed for automotive, now applied to precision cosmetic molds. With a team of 51–100 skilled engineers and technicians, we have successfully delivered molds to North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and domestic China. Our factory’s infrastructure includes CNC machining centers, EDM, wire cutting, and CMM inspection – all under one roof. We also offer full mold trial reports and pre-shipment inspection with video evidence. Over the past 7 years, we have manufactured over 500 cosmetic compact molds with zero major defects on repeat orders. When you choose us, you get a partner who understands the delicate balance between aesthetics, durability, and cost efficiency.

Frequently Asked Questions

  1. What is the typical lead time for a custom thick-wall cosmetic compact mold?
    Standard lead time is 30–45 working days including design, fabrication, and first article trials. Rush orders may be expedited upon request.
  2. Can you achieve a mirror-like gloss without post-processing?
    Yes. Using hardened S136 and our high-polish technique, we regularly achieve a gloss value of 95+ GU at 60° angle, comparable to injection-compression molds.
  3. What materials do you recommend for thick-wall cosmetic compacts?
    Common materials include ABS, PMMA, SAN, or a blend. We can also process PC and PP with proper gate design. Contact our engineers for specific recommendations.
  4. How do you control warpage in thick-wall sections?
    Hot runner balanced filling, conformal cooling (optional), and robotic arm uniform part extraction minimize internal stress. We also simulate mold flow in Moldflow® before machining.
  5. Do you provide sampling before mass production?
    Absolutely. We offer 50–200 pieces of first article samples for dimensional and cosmetic approval. Samples can be molded in your specified color or natural.
  6. Is your mold compatible with different injection molding machines?
    Yes. We design the mold base and clamping to fit standard machines (e.g., 80–150 ton). We can also adapt to your specific machine with an adapter plate.
  7. What certifications do you hold?
    We are TS16969 certified (applicable to automotive quality standards but adopted for precision molds). We can also provide material certificates and mold inspection reports.
  8. How do you ensure the high-gloss surface is maintained over many cycles?
    S136 steel is corrosion-resistant and hardened. We also apply a nano-coating (optional) to protect the cavity surface. Regular maintenance is recommended every 100,000 cycles.

Get in Touch – Ready to bring your luxury cosmetic compact to life? With our proven technology, TS16969 quality system, and global shipping from Jiangsu, Shanghai, or Shenzhen, we are well-positioned to support your project. Contact us today for a free mold design consultation and quotation. Let’s create something beautiful together.

Product Tags: Thick-Wall Cosmetic Compact Injection Molding , Custom Hot Runner Mold for Cosmetic Compacts , Hardened S136 High Gloss Mold Service

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Gold Verified Supplier
1Yr
Verified Business License
Business Type
Manufacturer
Year Established
2017
Factory Size
1,000-3,000 square meters
Total Employees
51 - 100 People