Sunlu Silk PLA+ Rainbow
Latest price$22.79$91.16 per kg
Buy on Amazon →| Manufacturer | Sunlu |
| Filament type | PLA |
| Data sheet | Not available |
| Format | - |
| Finish | Rainbow |
| Color | Rainbow Available in 13 other colors → |
| Warranty | No info provided |
| Availability | In Stock |
| Image |  SUNLU 0.25KG Rainbow Silk Filament Bundle,1kg in Total,(Rainbow 02-05) |
Technical properties
| Tensile strength (X-Y) | 50 MPa ±4 | ISO 527-2 |
| Elongation at break (X-Y) | 11 % ±3 | ISO 527-2 |
| Flexural strength (X-Y) | 78 MPa ±5 | ISO 178 |
| Flexural modulus (X-Y) | 2600 MPa ±300 | ISO 178 |
| Notched Izod impact strength (X-Y) | 3.5 kJ/m² ±1.5 | ISO 180 |
| Unnotched Izod impact strength (Z-X) | 4 kJ/m² ±1.5 | ISO 180 |
| Shore hardness | 79.6 D | ISO 868 |
| Glass transition temperature | 60.9 °C | ISO 11357-2 |
| Melting temperature | 164 °C | ISO 11357-3 |
| Decomposition temperature (5 % weight loss) | 364 °C | ISO 11358 |
| Vicat softening temperature | 54 °C | ISO 306 |
| Density | 1.23 g/cm³ | ISO 1183 |
Characteristics
| Flammability (UL 94) | HB | Data Sheet |
| Weak acids (pH 3-6) | Good | Data Sheet |
| Strong acids (pH <3) | Poor | Data Sheet |
| Weak bases (pH 8-10) | Good | Data Sheet |
| Strong bases (pH >10) | Poor | Data Sheet |
| Deionized water | Good | Data Sheet |
| Alcohol (ethanol) | Fair | Data Sheet |
| Ketone (acetone) | Poor | Data Sheet |
| Petroleum fuels | Good | Data Sheet |
| Ester | Good | Data Sheet |
Print suggestions
| Nozzle temp | 210-230 °C |
| Print speed | 50-200 mm/s |
| Build surface temp | 50-60 °C |
| Build surface material | Textured PEI |
| Build surface treatment | None required |
| Cooling fan | On |
| Raft separation distance | 0.2-0.4 mm |
| Retraction distance | 0.8-1.2 mm |
| Retraction speed | 30-40 mm/s |
| Support material | PVA |
| Drying temp | 50 °C |
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Last updated: 2026-09-11