Choosing the Right Material for Vacuum Casting

Working on an vacuum casting project? Discover the right materials for your application.

Selecting the ideal material for a vacuum casting project can seem challenging, especially when striving for the perfect balance between aesthetics, functionality, and durability.

The vacuum casting process offers many materials with distinctive properties catering to various applications.Let’s make things easier by looking at the most popular vacuum casting materials. We’ll explore their characteristics, benefits, and typical applications.

Material Overview

ABS-like Resins

ABS-like resins mimic the properties of ABS plastic, combining strength with flexibility.


  • Good mechanical properties
  • Fine surface finish
  • Excellent detail representation

Key Applications: Used in consumer electronics, automotive components, and toys.


Acrylic resins in vacuum casting simulate the properties of PMMA (polymethyl methacrylate). This material is known for its transparency and UV resistance.


  • High clarity and transparency
  • UV resistant
  • Impressive aesthetic appeal

Key Applications: Lighting fixtures, lenses, and transparent components.

Polyethylene-like Resins

These resins emulate the properties of polyethylene, offering flexibility and durability.


  • High flexibility
  • Excellent impact resistance
  • Good chemical resistance

Key Applications: Packaging components, containers, and flexible parts.

Polycarbonate-like Resins

These resins are designed to mirror polycarbonate’s attributes and provide high strength and clarity.


  • High mechanical strength
  • Good transparency
  • Heat resistant

Key Applications: Eyewear components, light covers, and other transparent parts requiring strength.

Polypropylene-like Resins

These resins emulate the properties of polypropylene, a versatile material known for its elasticity and toughness.


  • Durable and tough
  • Excellent fatigue resistance
  • Good chemical resistance

Key Applications: Snap fits and automotive parts.

Silicone Rubber

Silicone rubber in vacuum casting is perfect for parts requiring flexibility, high-temperature resistance, and biocompatibility.


  • Highly flexible and elastic
  • Temperature resistant
  • Biocompatible

Key Applications: Seals, gaskets, medical devices, and kitchen tools.

TPU (Thermoplastic Polyurethane)

TPU-like resins in vacuum casting bridge the gap between rigid plastics and flexible rubber.


  • A diverse range of hardness levels
  • Durable with excellent abrasion resistance
  • Good environmental resistance

Key Applications: Seals, gaskets, flexible hoses, and footwear components.

Choosing the Right Material with MakerVerse

Vacuum casting boasts a diverse material range, catering to multiple applications across industries. When considering a vacuum casting project, be sure to assess not only the aesthetic but also the functional requirements of your component.

At MakerVerse, we understand the nuances of each material and can offer recommendations tailored to your product. Let’s bring your idea to life with the ideal material.