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Vacuum Die Casting : Eliminate Porosity for High-Integrity Castings

Vacuum Die Casting : Eliminate Porosity for High-Integrity Castings

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Vacuum die casting is an advanced process that removes air from the mold cavity prior to injection, significantly reducing internal porosity compared to conventional die casting. This results in higher-integrity castings with superior performance and minimized defects.

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Key Benefits of Vacuum Die Casting:

  • Minimized porosity – achieving ≤1% porosity level
  • Heat-treatable – compatible with T5/T6 thermal treatment for enhanced mechanical properties
  • Air-tight integrity – capable of meeting IP67 / IP69K standards
  • Thin-wall capability – down to 1mm wall thickness for lightweight designs
  • Superior surface quality – ideal for anodizing or plating
  • Lower blistering risk – during heat treatment, ensuring higher yield

Our Vacuum Die Casting Capabilities:

  • Dual facilities: Foshan, China + Monterrey, Mexico (20,000㎡ each)
  • Tooling + Vacuum die casting + CNC machining + Surface finishing
  • Certified: IATF 16949 / ISO 9001
  • Applicable materials: Aluminum alloys (ADC12 / A380), Magnesium alloys, Zinc alloys

Key Application Areas:

  • EV battery pack housings
  • Automotive ECU enclosures
  • Pneumatic system valve bodies
  • PV inverter housings
  • 5G telecom heatsink enclosures
  • Anodized cosmetic components   

Contact us for a quote.

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Simon Fu

I am the founder of Bian Diecast, a precision die-casting solution provider specializing in both high-performance molds and high-quality aluminum die-cast components. With over 100 successful projects delivered across 15+ countries, I bring deep expertise across the entire value chain — from mold design and optimization to large-scale casting production. Today, we proudly serve as a strategic supplier to China’s top 5 EV brands, producing critical die-cast parts such as DC/DCC/OBC/PTC/EVCC converter housings and structural components. I share hands-on factory insights to help you make smarter, more confident sourcing decisions — whether you need a custom mold or ready-to-install castings. Need expert manufacturing support for your next project? Let’s talk.

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