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Vacuum Casting Resin Prototype Development

Small batch vacuum casting is an efficient and cost-effective process for producing high-quality resin prototypes in low volumes. Ideal for creating parts with intricate geometries, fine details, and smooth surface finishes, this method is widely used across industries such as electronics, automotive, medical, and consumer goods. 

Quick Info
  • Material: Resin
  • Stamping Type: Vacuum Casting
  • Mold Type: Silicone Molds
  • Additive Process: 3D Printing or CNC Machining
  • Surface Treatment: Custom (Painting, Silk-Screen Printing, etc.)
  • Lead Time: 7-10 days for rapid prototypes
  • Production Capacity: Up to 20 parts in 15 days
  • Application: Electronics, Plastic Components, Consumer Goods
  • Tolerance: ±0.2mm
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At KT TOOL, we specialize in small batch vacuum casting resin prototypes for various industries. With over 10 years of experience, we offer efficient solutions for producing complex, high-quality parts at an affordable cost. Our vacuum casting process begins with creating a master pattern, typically made using 3D printing or CNC machining. From this master, we create a silicone mold which is then used to pour polyurethane resin under vacuum conditions. This ensures the resin fills the mold completely without air bubbles, capturing fine details and providing superior surface finishes.

Our team utilizes state-of-the-art equipment and software like Pro-Engineer and SolidWorks®, enabling us to produce parts with high precision. Additionally, we offer a range of surface treatments, including painting, silk-screen printing, and custom finishes, to meet specific design requirements.

✨ Core Advantages

  • Fast turnaround: Be-cu.com can provide up to 20 parts in 15 days or less, depending on part specification and volume.
  • Affordability: Silicone molds are less expensive than the tooling used for injection molding, resulting in low prices.
  • Capable of producing large parts: Depending on the type of equipment used, vacuum casting can to create very large parts.
  • Superior surface finish to injection molding: The vacuum process removes air bubbles and allows the material to capture fine details.
  • 5 Color options: Coloring pigments can be added to the resin for a variety of color options.
  • Repeatability: Silicone molds can be used around 20 times before they need replacing

🏭 Common Applications

  • Electronics: Functional prototypes, enclosures, connectors, and cases for testing and final products.
  • Automotive: Production of lightweight, durable parts such as automotive housings, brackets, and connectors.
  • Medical: Custom medical device components, housings, and functional parts for regulatory testing.
  • Consumer Goods: Prototypes for consumer electronics, toys, and appliances.
  • Industrial: Production of mechanical parts for machinery, enclosures, and equipment.
ParameterDetails
Process TypeVacuum Casting / Urethane Casting
Base TechnologySilicone Mold + Master Pattern Replication
Master Pattern Method3D Printing / CNC Machining
MaterialsResin, ABS, PC, POM, PA, PMMA
Tolerance±0.2 mm
Surface RoughnessRa 0.8 / 1.6 / 3.2 / 6.3 (custom available)
MOQ1 piece
Monthly CapacityUp to 5,000 pcs
Color OptionsCustom pigments, multi-color matching
Quality Control100% full inspection before shipment
Process AdvantageFast tooling, high detail replication, low cost per unit

KT TOOL’s expertise in vacuum casting ensures that your prototype or low-volume production needs are met with precision, efficiency, and cost-effectiveness. Whether you need a small batch for testing or a few hundred pieces for a limited product run, our team is ready to provide the support and expertise needed to bring your project to life.

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