Vacuum Casting

What Is Vacuum Casting (Silicone Moulding)?

Vacuum Casting, also known as silicone moulding, is a fast and cost-effective way to produce high-quality prototypes or low-volume parts.

We first create a silicone mold from a master model, then cast parts using polyurethane, transparent polyurethane, ABS, and other materials under vacuum. This process delivers parts with strength, hardness, and appearance close to injection-molded products, and they can be custom-colored to meet your requirements.

Ideal for 20 to 100 pieces, Vacuum Casting is the perfect solution for low-volume production or functional testing, offering a low-cost, quick alternative to injection molding.

Vacuum Casting Resin Material Available

Vacuum Casting uses versatile polymer resins to produce parts with a wide range of properties.

At RUIBANG, we offer a range of casting resins tailored to meet your specific application needs.

  • Standard materialsclosely mimic engineering plastics, providing strength, hardness, and appearance similar to injection-molded parts.
  • Special materials — include high-temperature resistant (120°C or 200°C) and fire-resistant (UL94-V0) options.

Available Material Types

At RUIBANG, our vacuum casting service offers a wide selection of materials, available in different hardness levels to suit your project needs. For each material, we can also provide raw material datasheets and related technical documentation to ensure full transparency and reliability.

  • ABS Like
  • PC Like
  • PMMA Like
  • PP Like
  • Rubber Like
  • POM Like
  • PA Like

Vacuum Casting Process

1.Master Model — made by CNC or 3D printing.

2.Silicone Mold — silicone is poured around the master and cured.

3.Casting Parts — resin is poured into the mold to replicate the model.

Complete the form to get in contact with our team!