HONGKONG TENG RUI INDUSTRIAL CO.,LIMITED

Vacuum casting(custom 3d printing service)

    Rapid prototyping (complex mold) refers to the use of the original model, make silicone mold thus cloned copies of the same with the original model.
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How Does Vacuum Casting Work?

Vacuum Casting begins by producing a master model, typically using Stereolithography or Laser Sintering, with a high-quality surface finish. Then a silicone mold is produced by casting silicone around the master copy, partially under vacuum to avoid air bubbles. After curing, the silicone mold is cut according to pre-defined parting planes and the master is removed, leaving a cavity to make copies.

Why choose Vacuum Casting?

Silicone molding results in high-quality parts comparable to injection-molded components. This makes vacuum casted models especially suitable for fit and function testing, marketing purposes or a series of final parts in limited quantities. Vacuum Casting also lends itself well to a variety of finishing degrees, and we can match the finish you need for your parts.

Choose Vacuum Casting
When You Need…

  1. Fast and cost-effective low-volume production series
  2. Prototype series
  3. Conventional manufacturing plastics
  4. Large parts up to 1900 x 900 x 750 mm
  5. Multi-material parts via overmolding

Materials for Vacuum Casting

We offer an exceptional range of 26 carefully selected polyurethanes that are similar to rubber, PP, ABS and PC. These materials provide an outstanding variety of properties, and offer the possibility to match colors and cast transparent components. If you are looking for a specific finish, our skilled post-production team for Vacuum Casting will match your requirements.


Regularly if one new product is develop by prototyping , and it’s not under the process of  mass production, but also needed a small quantity products to sell in the market , the best choice to save cost from molding is to do the rapid prototyping , use silicone mold (or aluminum mold) to produce small quantity for the trial-produce , or has small quantity products as sample . (custom 3d printing service)