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Tough Resin

engineering resin. strength + impact resistance. brackets, snap-fits, tools.

Tough Resin (also "ABS-like" or "Engineering") is a modified photopolymer with rubber tougheners → reduced brittleness, increased impact resistance. Properties close to cast ABS.

When standard resin is brittle (snaps on impact) but you want SLA detail. Functional brackets, snap-fits, jigs where FDM is too coarse but standard resin too brittle.

Formulamodified acrylate
Density1.13 g/cm³
Tg (glass transition)65°C
Nozzle temp0–0°C
Bed temp0–0°C
Enclosurewash + cure station
Difficulty★★★: intermediate

Engineer, author of The Big Book of 3D Printing and additive manufacturing expert

Properties

Formulamodified acrylate
Density (g/cm³)1.13
Tg (°C)65
Print ease (0-10)4
Tensile (0-10)7
Flexibility (0-10)5
Impact resistance (0-10)8
Heat resistance (0-10)4
UV resistance (0-10)2
Chemical resistance (0-10)5
Cost (0-10)4
Safety (0-10)4
Finishing (0-10)9
Bed adhesion (0-10)8
Accuracy (0-10)9

Property comparison

PropertyTough ResinCastable ResinDental ResinFlexible Resin
Print ease4454
Tensile7364
Flexibility5239
Impact resistance8258
Heat resistance4163
UV resistance2252
Chemical resistance5374
Cost4315
Safety44104
Finishing910108
Bed adhesion8787
Accuracy910107

Compatible printers

Compatible printers: 116

Pro 2ProX 800MAX UVFigure 4Mars 5 UltraMoonRay SPRO 4KHALOT-MAGE