



Formlabs True Cast Resin (Form 4) 1 L
RESIN · FORM 4 SERIES
TRUE CAST RESIN
Overview
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.


Why Choose True Cast Resin
True Cast Resin is designed for consistent, high-quality casting, enabling highly detailed parts with crisp features and smooth surfaces. Printed patterns exhibit low thermal expansion and maintain surface integrity with no wax migration or residue over time, ensuring a forgiving casting experience. Featuring a 0.03% ash content and minimal shrinkage, it delivers clean burnout that seamlessly integrates into existing investment casting workflows. Recommended applications include intricate jewelry patterns, heavy jewelry, medallions, figurines, and complex engineering components up to 5 mm thick.
Technical Specifications
| 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 |
| Compatible Printer | Form 4, Form 4B |













