Comparison

Tough SLA Resin vs PEEK

A side-by-side comparison of Tough Photopolymer Resin for SLA and Polyether Ether Ketone.

Physical

Density
1.10-1.18 g/cm³
1.32 g/cm³
Water Absorption (24h)
0.4-0.8 %
0.15 %
Transparency
Opaque
Opaque (amber)
Shrinkage
Moderate (1-3%)
1.1 – 1.4 %

Mechanical

Young's Modulus
2.0-3.0 GPa
3.6 GPa
Tensile Strength
40-55 MPa
100 MPa
Elongation at Break
5-15 %
50 %
Impact Strength (Izod)
5-10 kJ/m²
55 J/m
Flexural Strength
170 MPa

Thermal

Glass Transition Temperature
60-75 °C
143 °C
Melting Point
N/A (cross-linked polymer)
343 °C
Continuous Service Temperature
50-65 °C
260 °C
Heat Deflection Temperature
55-65 °C @ 0.45 MPa
160 °C

Electrical

Dielectric Constant
3.2-3.8
3.2
Volume Resistivity
10¹¹-10¹³ Ω·cm
10¹⁶ Ω·cm
Dielectric Strength
16-22 MV/m

Chemical resistance

Acids
Fair resistance
Excellent
Bases
Poor resistance
Excellent
Solvents
Attacked by strong solvents.
Excellent
UV Resistance
Poor
Fair
Hydrolysis (steam)
Excellent

Sustainability

Recyclability
Not Recyclable
Recyclable (specialty)
Recycling Code
N/A
7
Carbon Footprint
High
~30 kg CO₂e / kg