Formlabs True Cast Resin (Form 4) 1 L
£190.80
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True Cast Resin is a wax-filled material designed for precision casting of intricate jewellery to complex engineering components up to 5 mm thick. It delivers highly accurate parts with exceptional detail and smooth surfaces.
Engineered for reliability, quality, and versatility, True Cast Resin integrates easily into a wide range of burnout schedules. Low thermal expansion, minimal shrinkage, and 0.03% ash content ensure clean burnout and consistently excellent casting outcomes.
| Specification | Value |
|---|---|
| Print Technology | SLA |
| Minimum Layer Thickness | 25 micron |
| Colours | Purple |
| Categories | Casting |
| Applications | Rapid Tooling |
| Ash Content | 0.03% |
| Thermal Expansion | 174.1 μm/m/°C |
Compatibility
Compatible Tank: Form 4 Resin Tank
Compatible Build Platform: Form 4 Build Platform, Form 4 Flex Build Platform
Compatible Printer: Form 4, Form 4B
Why Choose True Cast Resin?
True Cast Resin is a castable resin formulated for reliable, precise casting of detailed patterns.
Designed for Consistent, High-Quality Casting
Crisp features, smooth surfaces, and superior accuracy enable highly detailed cast parts.
Reliable Printing and Forgiving Casting
Printed parts have low thermal expansion and maintain surface integrity with no wax migration or residue over time, allowing for a more forgiving casting experience.
Clean Burnout
With 0.03% ash content and low shrinkage, True Cast Resin delivers a clean burnout that integrates easily into existing investment casting workflows.
Versatile Casting Applications
Cast intricate jewellery patterns, heavy jewellery, and complex engineering components up to 5 mm thick.
Applications
True Cast Resin delivers precise, high-quality cast parts with crisp features, smooth surfaces, and clean burnout, making it ideal for a wide range of demanding casting applications.
Medium and Heavy Jewellery
Create accurate castable patterns for detailed medium and heavy jewellery pieces.
Medallions
Produce smooth, detailed medallion patterns ready for investment casting workflows.
Figurines
Print intricate figurine patterns with crisp features and smooth surfaces.
Small Engineering Components
Create castable patterns for complex engineering components up to 5 mm thick.
Material Properties*
Download True Cast Resin Technical Data Sheet
| Parameter | True Cast Resin |
|---|---|
| Ash Content | 0.03% |
| Thermal Expansion | 174.2 μm/m/°C |
| Detected Transition Metals (>10 ppm) | Al, Ca, K, Mg, Na, Pb, Si, Sn |
| High Concentration Transition Metals (>50 ppm) | None |
Post-Processing
For design guidelines and best practices, read the Formlabs application guide.
Form Wash V2 Settings
Parts should be washed for 5 minutes in IPA or ethyl alcohol with a concentration of 91% or higher. Immediately afterwards, dry the part thoroughly using compressed or forced air. Spray or rinse parts with fresh IPA or ethyl alcohol, then dry again using compressed or forced air.
Settings: Form Wash | Form Wash L
Form Cure V2 Settings
It is highly recommended to cure parts as this will significantly reduce potential defects during casting. Cure for 10 minutes without heat in Form Cure or an equivalent third-party curing machine. Cure for 3 minutes without heat in Form Cure V2.
Settings: Form Cure V1 | Form Cure V2 | Form Cure L V1 | Form Cure L V2
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