Comparison
Flexible SLA Resin vs PETG
A side-by-side comparison of Flexible Photopolymer Resin for SLA and Polyethylene Terephthalate Glycol.
Physical
Density
1.05-1.15 g/cm³
1.27 g/cm³
Water Absorption (24h)
1.0-2.0 %
0.13 %
Transparency
Translucent to Opaque
Transparent
Shrinkage
Moderate (1-3%)
0.2 – 0.5 %
Mechanical
Young's Modulus
0.01-0.1 GPa (at low strain)
2.1 GPa
Tensile Strength
5-15 MPa
50 MPa
Elongation at Break
100-300 %
120 %
Impact Strength (Izod)
Low (deforms)
100 J/m
Flexural Strength
—
70 MPa
Thermal
Glass Transition Temperature
-20 to 0 °C
80 °C
Melting Point
N/A (cross-linked polymer)
—
Continuous Service Temperature
30-45 °C
65 °C
Heat Deflection Temperature
N/A (deforms)
70 °C
CTE
—
68 × 10⁻⁶ /K
Electrical
Dielectric Constant
4.0-5.0
3.3
Volume Resistivity
10⁹-10¹¹ Ω·cm
10¹⁴ Ω·cm
Dielectric Strength
5-10 MV/m
—
Chemical resistance
Acids
Good resistance
Good
Bases
Good resistance
Fair
Solvents
Attacked by strong solvents.
—
UV Resistance
Fair
Fair
Alcohols
—
Good
Oils
—
Good
Sustainability
Recyclability
Not Recyclable
Recyclable
Recycling Code
N/A
1
Carbon Footprint
High
~2.7 kg CO₂e / kg
Bio-based Content
—
0 %