Complete technical data sheet with print conditions, material properties, and performance specifications.
| Manufacturer | Polymaker | |
| Product Name | HT-PLA | |
| Filament Type | PLA | |
| Finish | Heat-resistant |
| Nozzle Temperature | 210-230 °C | |
| Bed Temperature | 25-60 °C | |
| Print Speed | 300 mm/s | |
| Cooling Fan | ON | |
| Retraction Distance | 1-3 mm | |
| Retraction Speed | 20-40 mm/s |
| Density | 1.287 g/cm³ | ISO 1183, GB/T 1033 |
| Melt index | 22.6 g/10 min | 210 °C, 2.16 kg |
| Shrinkage (X-Y) | 0.88 % | |
| Shrinkage (Z) | 0.13 % | |
| Shrinkage (diameter) | 0.52 % | |
| Glass transition temperature | 59.8 °C | DSC, 10 °C/min |
| Melting temperature | 177.23 °C | DSC, 10 °C/min |
| Crystallization temperature | 77.21 °C | DSC, 10 °C/min |
| Decomposition temperature | 335.94 °C | TGA, 20 °C/min |
| Vicat softening temperature | 156.2 °C | ISO 306, GB/T 1633 |
| Heat deflection temperature (1.8 MPa) | 58.6 °C | ISO 75 |
| Heat deflection temperature (0.45 MPa) | 61.4 °C | ISO 75 |
| Vicat softening temperature (annealed) | 155.2 °C | ISO 306, GB/T 1633 |
| Heat deflection temperature (1.8 MPa) (annealed) | 71.7 °C | ISO 75 |
| Heat deflection temperature (0.45 MPa) (annealed) | 107.2 °C | ISO 75 |
| Young's modulus (X-Y) | 2945.75 MPa ±77.35 | ISO 527, GB/T 1040 |
| Young's modulus (Z) | 2596.43 MPa ±160.44 | ISO 527, GB/T 1040 |
| Tensile strength (X-Y) | 42.86 MPa ±0.76 | ISO 527, GB/T 1040 |
| Tensile strength (Z) | 20.83 MPa ±0.51 | ISO 527, GB/T 1040 |
| Elongation at break (X-Y) | 2.8 % ±0.26 | ISO 527, GB/T 1040 |
| Elongation at break (Z) | 0.97 % ±0.05 | ISO 527, GB/T 1040 |
| Bending modulus (X-Y) | 2893.46 MPa ±53.15 | ISO 178, GB/T 9341 |
| Bending modulus (Z) | 2411.22 MPa ±139.22 | ISO 178, GB/T 9341 |
| Bending strength (X-Y) | 74.04 MPa ±0.66 | ISO 178, GB/T 9341 |
| Bending strength (Z) | 29.39 MPa ±1.18 | ISO 178, GB/T 9341 |
| Notched Charpy impact strength (X-Y) | 4.94 kJ/m² ±0.31 | ISO 179, GB/T 1043 |
| Notched Charpy impact strength (Z) | 4.5 kJ/m² ±0.11 | ISO 179, GB/T 1043 |
| Young's modulus (X-Y) (annealed) | 3267.16 MPa ±66.41 | ISO 527, GB/T 1040 |
| Young's modulus (Z) (annealed) | 2596.43 MPa ±160.44 | ISO 527, GB/T 1040 |
| Tensile strength (X-Y) (annealed) | 42.86 MPa ±0.76 | ISO 527, GB/T 1040 |
| Tensile strength (Z) (annealed) | 18.82 MPa ±0.98 | ISO 527, GB/T 1040 |
| Elongation at break (X-Y) (annealed) | 1.87 % ±0.09 | ISO 527, GB/T 1040 |
| Elongation at break (Z) (annealed) | 0.81 % ±0.08 | ISO 527, GB/T 1040 |
| Bending modulus (X-Y) (annealed) | 2960.42 MPa ±46.91 | ISO 178, GB/T 9341 |
| Bending modulus (Z) (annealed) | 2411.22 MPa ±139.22 | ISO 178, GB/T 9341 |
| Bending strength (X-Y) (annealed) | 66.75 MPa ±0.51 | ISO 178, GB/T 9341 |
| Bending strength (Z) (annealed) | 28.95 MPa ±1.44 | ISO 178, GB/T 9341 |
| Notched Charpy impact strength (X-Y) (annealed) | 4.67 kJ/m² ±0.2 | ISO 179, GB/T 1043 |
| Notched Charpy impact strength (Z) (annealed) | 4.39 kJ/m² ±0.18 | ISO 179, GB/T 1043 |
| Resistance to weak acids | Good | Data Sheet |
| Resistance to strong acids | Poor | Data Sheet |
| Resistance to weak alkalis | Fair | Data Sheet |
| Resistance to strong alkalis | Poor | Data Sheet |
| Resistance to oils and grease | Good | Data Sheet |
| Technical Data Sheet | View Data Sheet | Version 1.1 · 2025-05 |
| Safety Data Sheet | View Safety Sheet | Version 1.0 · 2025-05-08 |
| Polymaker HT-PLA TDS page on wiki.polymaker.com | Open link | |
| Polymaker HT-PLA on us.polymaker.com | Open link |