Overview
Our Custom High Precision Tooling for Plastic Food Containers is engineered for high-volume production of durable, leak-proof containers, lids, and food storage solutions. Utilizing advanced CNC and EDM machining, our molds achieve thin-wall consistency, precise sealing features, and easy-demolding surfaces for PP and PS materials, ensuring food-safe, efficient manufacturing.
Basic Information
| Specification | Details |
|---|---|
| Mold Material | 1.2738 (P20+), NAK80, S136 Stainless; Aluminum for prototypes |
| Core Processes | 5-Axis CNC, High-Speed Milling, Mirror & Wire EDM, Precision Grinding |
| Molding Types | High-Cavitation Molds (4-64 cavities), Hot Runner, Stack Molds, Family Molds |
| Compatible Materials | PP, PS, PET, HDPE, Food-Grade ABS, SAN |
| Surface Finish (Part) | SPI B1/B2 (Satin), Fine Texture, High-Gloss (for clear lids), VDI 18-27 for grip |
| Tolerance | ±0.03 mm typical; ±0.015 mm on critical sealing surfaces (lip/rim) |
| Lead Time | Prototype Tool: 12-20 days; Production Tool: 5-9 weeks |
| Expected Tool Life | 1M – 3M+ shots (with proper maintenance) |
| Wall Thickness | 0.4 mm – 1.2 mm (thin-wall optimized) |
| Cooling System | High-efficiency baffle/cascade circuits for fast, uniform cooling |
| Certifications | ISO 9001; Support for FDA, EU 10/2011 compliance documentation |
| OEM Services | DFM, Mold-Flow Analysis, Prototyping, FAI, PPAP Support |
| Place of Origin | Xiamen, China |
Key Advantages
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Food-Safe & Compliance-Focused Design: Mold engineering prioritizes easy cleaning, minimal parting lines on food-contact surfaces, and supports documentation for global food contact regulations (FDA, EU).
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Precision Thin-Wall & Lightweighting: Expertise in designing molds that produce consistent, ultra-thin walls to reduce material use while maintaining container strength and rigidity.
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High-Cavitation & Fast-Cycle Efficiency: Molds are engineered for maximum output with balanced filling and optimized cooling to achieve the shortest possible cycle time, crucial for high-volume container production.
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Superior Demolding & Part Ejection: Advanced surface finishes and carefully drafted angles ensure easy, automated part ejection without deformation, reducing downtime and scrap rates.
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Durable Construction for Long Runs: Molds are built from premium steels and designed to withstand the abrasive wear of mineral-filled or recycled materials common in food packaging.
Surface Treatment & Decoration Options
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SPI Standard Finishes (B1/B2/C1) – Consistent satin or gloss finishes for aesthetics and easy release.
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Fine Texturing (Grain/Leather Patterns) – Hides flow lines and scratches, improves grip.
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In-Mold Labeling (IML) Integration – Mold designed for precise placement of decorative or branded labels during injection.
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Laser Etching & Engraving – For permanent logos, recycling codes, or capacity markings.
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Anti-Stick / Low-Energy Coatings – PTFE-like treatments on core surfaces to prevent sticking for difficult demolding geometries.
Quality Assurance
Our tooling quality process adheres to ISO 9001 standards. We begin with comprehensive DFM and mold-flow analysis to predict and prevent filling or warpage issues. Dimensional accuracy of all cavities and cores is verified using CMM and 3D scanning. Each mold undergoes sampling trials with a full First Article Inspection (FAI), including dimensional reports, wall-thickness verification, lid fit/seal testing, and stackability checks. We provide material certifications and process validation data to support our customers’ food safety compliance requirements.
Our Factory
Our integrated facility combines a high-precision tool room with a dedicated molding floor for food container production. The tool room is equipped with multi-axis CNC machining centers, mirror EDM, and wire EDM to create complex core geometries and fine textures. Our production area features high-tonnage injection presses with fast-cycling capabilities, robotic part handling, and in-line vision inspection systems. We offer secondary operations such as ultrasonic welding for attached lids, leak testing stations, and automated packaging. This vertical integration, managed by experienced engineers, ensures reliable delivery of high-performance molds for the global food packaging industry.