Comparison
Ceramic SLA Resin vs Polycarbonate
A side-by-side comparison of Ceramic-Filled Photopolymer Resin for SLA and Polycarbonate.
Physical
Density
1.50-2.50 g/cm³ (as printed)
1.20 g/cm³
Water Absorption (24h)
Very Low
0.15 %
Transparency
Opaque
Transparent (88% light transmission)
Shrinkage
Significant during firing (e.g., 15-25%)
0.5 – 0.8 %
Mechanical
Young's Modulus
Variable (post-firing, depends on ceramic)
2.3 – 2.4 GPa
Tensile Strength
Variable (post-firing, depends on ceramic)
60 – 70 MPa
Elongation at Break
Very Low (brittle)
100 – 150 %
Impact Strength (Izod)
Very Low (brittle)
600 – 900 J/m
Flexural Strength
—
90 – 100 MPa
Hardness (Rockwell M)
—
70
Thermal
Glass Transition Temperature
N/A
147 °C
Melting Point
N/A (sintering temperature, e.g., 1500-1800 °C)
—
Continuous Service Temperature
High (depends on ceramic, e.g., >1000 °C)
115 – 130 °C
Heat Deflection Temperature
Very High (depends on ceramic)
130 – 140 °C
Thermal Conductivity
—
0.20 W/m·K
CTE
—
65 – 70 × 10⁻⁶ /K
Electrical
Dielectric Constant
Variable (depends on ceramic)
2.9 – 3.0
Volume Resistivity
Variable (depends on ceramic)
10¹⁶ Ω·cm
Dielectric Strength
Variable (depends on ceramic)
15 kV/mm
Chemical resistance
Acids
Excellent (depends on ceramic)
—
Bases
Excellent (depends on ceramic)
Poor
Solvents
Excellent (depends on ceramic)
—
UV Resistance
Excellent (depends on ceramic)
Poor (unless coated)
Acids (dilute)
—
Good
Alcohols
—
Fair
Oils
—
Good
Gasoline
—
Fair
Acetone
—
Poor (attacks)
Sustainability
Recyclability
Not Recyclable
Recyclable
Recycling Code
N/A
7
Carbon Footprint
Very High (due to firing)
~5 kg CO₂e / kg
Bio-based Content
—
0 – 50 % (bio grades)