Impact & clarity
Polycarbonate 3D Printing
Polycarbonate, the impact king; translucent and good to 100°C.
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A palm-sized bracket in Polycarbonate runs about $17.13 plus shipping.
Your files stay private. You keep 100% of your IP.Impact9/10
Heat resistance7/10
Stiffness5/10
Tensile strength55 MPa1
Flexural modulus2.31 GPa2
Heat deflection (HDT)112 °C3
Impact (unnotched)79.7 kJ/m²4
1 ISO 527, X-Y orientation, 23 °C.
2 ISO 178, X-Y orientation, 23 °C.
3 ISO 75, 0.45 MPa.
4 ISO 179-1/1eU, unnotched, X-Y orientation, 23 °C.
One of the toughest rigid engineering thermoplastics, absorbing hard impacts by flexing instead of cracking. It stays stiff and dimensionally stable above 110°C and takes up little water. It is notch sensitive, so sharp internal corners concentrate stress, and it is attacked by strong alkalis and many solvents.
Polycarbonate printed-part datasheet
Mechanical
| Tensile strength (X-Y) | 55 ± 4 MPaISO 527 |
| Tensile strength (Z) | 34 ± 3 MPaISO 527 |
| Young’s modulus (X-Y) | 2,110 MPaISO 527 |
| Young’s modulus (Z) | 1,450 MPaISO 527 |
| Elongation at break (X-Y) | 3.8%ISO 527 |
| Elongation at break (Z) | 2.1%ISO 527 |
| Flexural strength (X-Y) | 108 MPaISO 178 |
| Flexural strength (Z) | 55 MPaISO 178 |
| Flexural modulus (X-Y) | 2,310 MPaISO 178 |
| Flexural modulus (Z) | 1,620 MPaISO 178 |
| Charpy impact, unnotched (X-Y) | 79.7 kJ/m²ISO 179 |
| Charpy impact, notched (X-Y) | 7.5 kJ/m²ISO 179 |
| Charpy impact (Z) | 9.0 kJ/m²ISO 179 |
Thermal
| HDT @ 0.45 MPa | 112 °CISO 75 |
| HDT @ 1.8 MPa | 117 °CISO 75 |
| Glass transition (Tg) | 145 °CDSC |
| Vicat softening | 119 °CISO 306 |
Physical
| Density | 1.20 g/cm³ISO 1183 |
Manufacturer printed-specimen values. Not certified design allowables.