Rapid 3DShield Tungsten 3D Printing Filament

Overview

Print radiation-shielding parts using any open-architecture FFF/FDM 3D printer. With 88–94% pure tungsten content, Rapid 3DShield is the printable, non-toxic alternative to lead shielding—no sintering required, used directly in its green state.

Spools: 1.75mm and 2.85mm diameters in 0.5kg, 1kg, 3kg, and 5kg weights

Pellets: 1kg, 3kg, and 5kg units

Works with virtually any open-architecture 3D printer—no proprietary hardware or specialized equipment required. Also compatible with 3D printing pens.

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👉 Print this test model to ensure you're getting the highest density you can. The model should weigh 5.5g or more.

Special Qualities — No Sintering Required:

Used directly in the printed (green) state as a lead-free replacement for radiation shielding. Custom geometries that are impossible to machine from solid tungsten can be printed in hours.

👉 For more information, visit rapid3dshield.com

👉 Learn about the scrap buy-back program here .

*This material is used in its green state for radiation shielding and is not intended to be sintered.

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All print just like PLA on most open-architecture 3D printers.

Highlights

• Print with a 0.8mm hardened steel, standard flow nozzle
• Prints similar to PLA
• Minimal to no warping
• Ensure the filament feeds straight into the extruder
• Less hygroscopic than PLA Do not dry this filament—drying will degrade the binder
• Radiation shielding for medical and nuclear applications
• Radiopharmaceutical and PET dose shielding
• X-ray collimators and beam shaping components
• Nuclear reactor cooling channel hotspot shielding
• Non-destructive testing (NDT) equipment components
• Balancing weights and counterweights
• Defense and aerospace applications requiring high density