True Cast Resin for High-Accuracy, Clean Burnout
True Cast Resin is a wax-filled material designed for precision casting of intricate jewelry 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.
For fine wire filigree and lightweight jewelry, Castable Wax Resin is recommended to achieve optimal results. For large, demanding engineering parts, Clear Cast Resin is the recommended solution.
Why Choose True Cast Resin?
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 jewelry patterns, heavy jewelry, and complex engineering components up to 5 mm thick.
Applications of True Cast Resin
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.
Consider True Cast Resin for:
- Medium jewelry
- Medallions and figurines
- Heavy jewelry
- Small engineering components
For more information on using True Cast Resin please refer to this article.
Post-Processing
- Wash for 5 minutes
- Wash with IPA or ≥91% ethyl alcohol, then spray with fresh solvent after the wash cycle.
- Dry with compressed air.
- True Cast Resin does not require post-curing, although Formlabs recommends post-curing to reduce defects during the casting process.
- Sand down remaining touch tips with 1000 grit sandpaper after post-curing.
What's Included
- True Cast Resin 1 L
Compatible with
- Formlabs Form 4
- Formlabs Form 4B
Everything you need to produce great prints: Form 4L plus the Form Cure L and the Form Wash L (2nd Gen)
Form 4L
Form 4L is a blazing-fast large-format masked SLA 3D printer that combines an industry-leading materials library with a reliable, accurate print engine. Turn your biggest ideas into reality faster than ever with easy workflows, leading reliability, and stunning part quality using the Form 4L ecosystem.
Form 4L’s speed is driven by Formlabs’ new Low Force Display™ Print Engine, a powerful combination of ultra-high power LEDs, collimating lenses, optical filters, and a robust liquid crystal display. Together they cure each layer of resin rapidly — regardless of part size or quantity. With tight tolerances, parts printed in every resin on Form 4L will match your design parameters, every time.
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