Vacuum Casting Service

  • Minimum scrap loss, low labor cost to save budget

  • A wide range of plastic materials can be selected

  • Molds are durable for 20 or more copies and can be made in a few days

  • Cast copies are highly accurate with excellent surface texture

  • Many types of polyurethane resins are available for casting, including overmolding

  • Perfect for engineering models, samples, rapid prototypes, bridge to production

vacuum casting service

Vacuum Casting Company from China

Holly specializes in precision vacuum casting, providing rapid prototyping and small-batch production solutions for industries such as automotive, electronics, medical, and industrial equipment. Our advanced process ensures high-quality parts with fine details and smooth surface finishes.

We start by creating a master model using CNC machining or 3D printing, which can be completed in as fast as one day. After tolerance checks and approval, our team produces a high-precision silicone mold within 3-4 days. The vacuum casting process takes another 2-3 days, allowing us to deliver your final parts within 7-14 days.

Holly offers a wide range of materials, from rigid plastics to flexible rubber-like resins, and can produce parts ranging from small components to 2-meter-long automotive bumpers. We use only the highest quality resins from top international brands, ensuring excellent durability and performance.

Explore Vacuum Casting Parts We Manufactured

Holly specializes in Vacuum Casting solutions, delivering high-quality prototypes and low-volume production for various industries. Our product categories include automotive parts, medical device housings, consumer electronics prototypes, industrial enclosures, and custom precision components. With superior surface finish, high accuracy, and material versatility, our vacuum-cast products meet stringent design and performance requirements, ensuring cost-effective and rapid production for your business needs.

Vacuum Casting Capabilities

  • Casting Type: Silicone Mold Vacuum Casting

  • Material Options: ABS-like, PC-like, PP-like, PMMA-like, Rubber-like, High-Temperature Resistant Resins

  • Part Size Range: 10mm – 1000mm

  • Tolerance Accuracy: ±0.05mm – ±0.2mm (Depending on part complexity)

  • Production Volume: 1 – 1000+ parts (Low-volume production & Prototyping)

  • Mold Life: 20 – 50 Castings per Silicone Mold

  • Surface Finish: Smooth, Textured, High Gloss, Transparent, Custom Painting

  • Lead Time: Mold Fabrication: 3-7 Days; Production: 5-10 Days

Industries We Serve with our Vacuum Casting

We have a 10+ molding engineers team, who has handled thousands of projects, our technique absorbed from Taiwan and Europe.

Vacuum Casting Material Available

Vacuum Casting Finishing Options

Name Feature Material Can be applied with
Texturing

Painting

Provides different colors, gloss levels (matte, semi-gloss, or high-gloss), and texture effects. PU-like ABS, PU-like PC, PU-like POM, High-Temp PU, and Flame-Retardant PU. Consumer electronics, automotive parts, industrial equipment housings.

SPI-B

Polishing

Removes mold texture to enhance smoothness and transparency, particularly for clear materials. Transparent PU (PC-like), Transparent PU (PMMA-like). Transparent housings, automotive light covers, optical components.
SPI-C

Sandblasting

Uses fine particles to create a uniform matte or frosted texture, reducing fingerprints and glare. PU-like ABS, PU-like PC, PU-like POM, PU-like TPU, PU-like Rubber. Consumer electronics casings, handles, and medical devices.
SPI-D

Texturing

Adds surface texture via chemical etching or mold treatment to improve grip or aesthetics. PU-like ABS, PU-like TPU, PU-like Rubber. Handles, control panels, buttons.
EDM

Tinting

Applies color to transparent materials while maintaining light transmission. Transparent PU (PC-like), Transparent PU (PMMA-like). Automotive light covers, electronic screens, decorative transparent parts.
Texturing

Plating/Metal Coating

Enhances metallic appearance, wear resistance, or conductivity. PU-like ABS, PU-like POM (with optional conductive coating). Automotive trims, electronic device housings, industrial components.
UV Coating Increases wear resistance, UV protection, and gloss or anti-fingerprint properties. Transparent PU (PC-like), Transparent PU (PMMA-like), UV-Resistant PU. Outdoor equipment, automotive interiors, consumer electronics.
Screen Printing & Laser Etching Adds logos, text, or patterns to the surface.

Removes surface coatings to create high-contrast markings, such as button labels.

PU-like ABS, PU-like PC, PU-like POM. Electronic devices, control panels, automotive dashboards.
Hot Stamping Adds a metallic gloss or other decorative effects to the surface. PU-like ABS, PU-like PC. Premium electronic casings, automotive trims.

Vacuum Casting Services FAQ

Vacuum casting is a more economical alternative, especially in small batches. It also provides unique advantages such as an excellent surface finish.

Vacuum casting is the best way to make visually impressive prototypes, but it can also be used for non-mechanical end-use parts such as chassis and covers.

Silicone molds used in vacuum casting have a short life span, generally around 20, so we dispose of them after use.

  • Gray cast iron, nodular cast iron
  • Carbon steel: low carbon, medium carbon, high carbon steel
  • Cast steel alloy: low alloy steel, high alloy steel, special alloy steel
  • Aluminum and its alloys
  • Brass and copper.

As the advantages of vacuum casting mentioned above, vacuum casting can be applied in a wide range of industries. Especially suitable for large and medium-sized castings, vacuum casting can be used for both single-piece and batch production, whereas thin-walled castings are better suited for vacuum casting. Therefore, vacuum castings are mainly used in agricultural machinery, hydraulic systems, rail trucks, cranes and shipbuilding industries.

During vacuum casting, since the surface of the model is covered with plastic film, there is no need to vibrate or beat when drawing the die. Suction and negative pressure make the sand compact, and the sand mould has high hardness and uniformity. Under the heating of molten metal, the cavity is not easily deformed. The existence of negative pressure is conducive to filling the model with molten metal. V process castings have a surface roughness of Ra = 25*2.5*m. The dimensional tolerance of castings can reach CT5 ~ CT7. The negative pressure casting has good appearance and reliable internal quality.

Our preference is the 3D CAD files, such as STP, STEP, X-T, IGS.

Send us CAD files (such as STEP format), and tell us the quantity, material, surface finish, color, or other requirements you need, then we will check and evaluate, and give you a suggestion for the part design and quote you.

Are You Looking For China Vacuum Casting Suppliers?

Contact us for design assistance, a free quote, and expert advice today. We will reply to you in 24 hours.