Table 1.

Mechanical properties of standard resin [28,29].

Properties	Standard
	Standard (Grayscale, Clear, Colors)		Draft Resin
	Green 1	Postcured 2	Green 3	Postcured at Room Temperature 4	Postcured at 60 °C 5
Tensile Properties
Ultimate Tensile Strength	38 MPa	65 MPa	23 MPa	28 MPa	36 MPa
Tensile Modulus	1.6 GPa	2.8 GPa	0.9 GPa	1.3 GPa	1.6 GPa
Elongation at Failure	12%	6.2%	17%	10%	7%
Flexural Properties
Flexural Modulus	1.25 GPa	2.2 GPa	0.6 GPa	0.9 GPa	1.5 GPa
Flexural Stress at Break	-	-	-	-	-
Impact Properties
Notched Izod	16 J/m	25 J/m	35 J/m	35 J/m	21 J/m
Temperature Properties
Heat Deflection Temp. @ 264 psi	42.7 °C	58.4 °C	43.3 °C	44.3 °C	50.1 °C
Heat Deflection Temp. @ 66 psi	49.7 °C	73.1 °C	50.6 °C	50.7 °C	63.4 °C

¹ Data was obtained from green parts, printed using a Form 2, 100 μm, clear settings, without additional treatments. ² Data was obtained from parts printed using a Form 2, 100 μm, clear settings, and postcured with 1.25 mW/cm² of 405 nm LED light for 60 min at 60 °C. ³ Data was obtained from green parts, printed using a Form 2, 300 µm, draft resin settings, washed for 5 min in Form Wash, and air-dried without a postcure. ⁴ Data was obtained from parts printed using a Form 2, 300 µm, draft resin settings, and postcured with Form Cure at room temperature for 5 min. ⁵ Data was obtained from parts printed using a Form 2, 300 µm, draft resin settings, and postcured with Form Cure at 60 °C for 5 min.