Start making today - get in touch for free quote and project review
Vacuum Casting and Urethane Casting by HLH Prototypes
Vacuum casting or cast urethanes is a perfect solution for production quality parts without the cost or lead time required for production tooling. At HLH we can cast parts as large and small, everything from headphones all the way up to 2m long car bumpers. We have a massive range of materials available for your projects.
How It Works (3 Stages)
Master model – CNC machined or 3D printed via SLA or SLS
Silicone tool – liquid silicone is poured around the master model and cured. Once dry the master is cut from the mold to leave the cavity
Castings – the resin is poured into the cavity to create a production like replica
Contact us to discuss this further today!
Testimonials






Advantages of Vacuum Casting and Urethane Casting
- Great for low volumes
- Self-coloured parts
- Low upfront investment
- Production like parts
- Massive range of materials
- Rubber like parts and over molds
Used for
Low volume prototypes, low volume production, rubber parts, market testing, rapid iterations
Start Your Free Project Review Get Free Instant Quote


Vacuum Casting Tips
Vacuum casting enables you to quickly recreate tens of parts in production like materials allowing you to create multiple reproductions of a part for market or in-house testing. There are a number of things you can do when designing your part to ensure it is a good fit for vacuum casting.
Wall thickness is one. As with injection molding you want consistency as far as possible and don’t want to design overly thick sections which might cause sink.
To learn more talk to our Cast Urethane Parts (vacuum casting) team today.
Overmold Rapid Tooling
Case Study
ProtoTool & Injection Molding PROJECT -...
HLH Industry Data
Design Guide
What is Injection Molding?
Blog
Injection molding is a process by...