Tough / flexible resin resin: the numbers
Engineering tough or flexible photopolymer resin. Typical uses: functional prototypes, gaskets and bumpers, wearables, blends to toughen standard resin.
1.12 g/cm³density (1.08–1.2)
1%linear shrinkage
$45typical per litre ($30–80)
55 °Cmax service temperature
3/5difficulty · high strength · semi-flexible
Printing tips
- Often blended 10-30% into standard resin to add impact resistance cheaply.
- Needs longer exposure and heavier supports; parts flex under their own weight while printing.
- Post-cure briefly; over-curing stiffens flexible grades.
Open the resin cost calculator
Questions about Tough / flexible resin
How much does Tough / flexible resin cost per print?
At ~$45 per litre, a 30 mL miniature uses about $1.35 of resin before IPA, electricity and failures. Use the resin cost calculator for your figures.
Sources: matterhackers.com, 3ddruckboss.de, 4dfiltration.com