Complete technical data sheet with print conditions, material properties, and performance specifications.
| Manufacturer | Polymaker | |
| Product Name | Polymaker HT-PLA Pro | |
| Filament Type | PLA | |
| Finish | Heat-resistant |
| Nozzle Temperature | 230 °C | |
| Bed Temperature | 25-65 °C | |
| Cooling Fan | ON | |
| Retraction Distance | 1-3 mm | |
| Retraction Speed | 20-40 mm/s |
| Density | 1.24 g/cm³ | ISO 1183-1: 2015 |
| Melt index | 24.43 g/10 min | ISO 1133-1: 2022 210 °C, 2.16kg |
| Glass transition temperature | 59.15 °C | ISO 11357-2: 2020 |
| Melting temperature | 173.35 °C | ISO 11357-1: 2023 |
| Crystallization temperature | 129.98 °C | ISO 11357-3: 2025 |
| Decomposition temperature | 320.14 °C | ISO 11358-1: 2022 |
| Vicat softening temperature | 148.3 °C | ISO 306: 2022 |
| Heat deflection temperature (1.8 MPa) | 53.8 °C | ISO 75 |
| Heat deflection temperature (0.45 MPa) | 56.3 °C | ISO 75 |
| Vicat softening temperature (annealed) | 150.5 °C | ISO 306: 2022 |
| Heat deflection temperature (1.8 MPa) (annealed) | 68.6 °C | ISO 75 |
| Heat deflection temperature (0.45 MPa) (annealed) | 107.6 °C | ISO 75 |
| Young's modulus (X-Y) | 2270 MPa ±50 | ISO 527-1: 2019 |
| Young's modulus (Z) | 1850 MPa ±40 | ISO 527-2: 2025 |
| Tensile strength (X-Y) | 37.6 MPa ±1.1 | ISO 527-1: 2019 |
| Tensile strength (Z) | 26.8 MPa ±1.2 | ISO 527-2: 2025 |
| Elongation at break (X-Y) | 13 % ±3 | ISO 527-1: 2019 |
| Elongation at break (Z) | 2.6 % ±0.7 | ISO 527-2: 2025 |
| Bending modulus (X-Y) | 2210 MPa ±140 | ISO 178: 2019 |
| Bending modulus (Z) | 1910 MPa ±40 | ISO 178: 2019 |
| Bending strength (X-Y) | 60.1 MPa ±2.1 | ISO 178: 2019 |
| Bending strength (Z) | 37.1 MPa ±1.5 | ISO 178: 2019 |
| Notched Charpy impact strength (X-Y) | 9.94 kJ/m² ±1.43 | ISO 179-1: 2023 |
| Un-notched Charpy impact strength (X-Y) | 45.7 kJ/m² ±7.3 | ISO 179-1: 2023 |
| Un-notched Charpy impact strength (Z) | 10.3 kJ/m² ±2.1 | ISO 179-1: 2023 |
| Young's modulus (X-Y) (annealed) | 2530 MPa ±30 | ISO 527-1: 2019 |
| Young's modulus (Z) (annealed) | 1940 MPa ±160 | ISO 527-2: 2025 |
| Tensile strength (X-Y) (annealed) | 38.2 MPa ±0.4 | ISO 527-1: 2019 |
| Tensile strength (Z) (annealed) | 25 MPa ±1.5 | ISO 527-2: 2025 |
| Elongation at break (X-Y) (annealed) | 4.3 % ±0.7 | ISO 527-1: 2019 |
| Elongation at break (Z) (annealed) | 1.9 % ±0.4 | ISO 527-2: 2025 |
| Bending modulus (X-Y) (annealed) | 2420 MPa ±50 | ISO 178: 2019 |
| Bending modulus (Z) (annealed) | 2020 MPa ±30 | ISO 178: 2019 |
| Bending strength (X-Y) (annealed) | 65 MPa ±0.7 | ISO 178: 2019 |
| Bending strength (Z) (annealed) | 34.8 MPa ±0.3 | ISO 178: 2019 |
| Notched Charpy impact strength (X-Y) (annealed) | 10.1 kJ/m² ±1.3 | ISO 179-1: 2023 |
| Un-notched Charpy impact strength (X-Y) (annealed) | 38.7 kJ/m² ±8 | ISO 179-1: 2023 |
| Un-notched Charpy impact strength (Z) (annealed) | 7.15 kJ/m² ±1.15 | ISO 179-1: 2023 |
| 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 1.4 · 2026-07-17 |
| Polymaker HT-PLA Pro TDS page on wiki.polymaker.com | Open link | |
| Polymaker HT-PLA Pro on us.polymaker.com | Open link |