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Sunlu PC (polycarbonate)
1.75mm 1kg
Key features
Exceptional toughness & impact strength (35 kJ/m²)
Resists drops and heavy impacts – ideal for robust, functional, and outdoor parts.
Heat resistant up to 94 °C
Retains shape and strength at elevated temperatures without warping or softening.
Stable high-temperature printing performance
Optimized for printing at 260–280 °C with controlled speeds for smooth extrusion and reliable layer adhesion.
Diameter: 1.75 ± 0.03 mm
Print temperature:
260–280 °C: ≤ 190 mm/s
Build plate temperature:
100–110 °C: apply lacquer adhesive
Bubbles: 100% bubble-free
Net weight: 1 kg/spool
Gross weight: 1.3 kg/spool
Length: 1.75 mm (1 kg) ≈ 375 m
SUNLU PC Filament
SUNLU PC filament delivers exceptional toughness and high impact strength (up to 35 kJ/m²) combined with reliable heat resistance up to 94 °C, making it ideal for demanding functional and industrial applications. Designed for stable high-temperature printing at 260–280 °C, it provides strong layer adhesion, minimal warping, and excellent dimensional stability when used in an enclosed chamber. With its ability to withstand drops, heat, and prolonged mechanical stress, SUNLU PC is a reliable choice for durable tools, outdoor items, and high-performance components.
With a heat deflection temperature of up to 94 °C, the material retains its shape without deformation at high temperatures, effectively preventing issues like warping and softening caused by heat. It offers a reliable material solution for demanding applications with strict temperature requirements and is an ideal choice for industrial high-temperature environments, precision equipment manufacturing, and similar fields.
SUNLU's high-toughness PC material exhibits excellent impact strength with a notched impact strength of 35 kJ/m² and boasts impressive resistance to drops and impacts, allowing it to withstand heavy daily use.
Optimized for high-temperature materials, it melts stably at temperatures above 260 °C, delivering superior rigidity and heat resistance. A controlled print speed of ≤190 mm/s ensures perfect extrusion and layer adhesion – without clogging, warping, or cracking. Ideal for industrial high-temperature parts and robust, functional models.
Recommended Print Settings
| Setting | Value |
|---|---|
| Drying (hot air oven) | 70–80 °C |
| Humidity in print and storage container | < 20 % RH (sealed, with desiccant) |
| Nozzle Temperature | 260–280 °C (≤ 190 mm/s) |
| Build Plate Temperature (with glue) | 100–110 °C |
| Print Speed | < 150 mm/s |
Physical Properties
| Property | Value |
|---|---|
| Density | 1.15 g/cm³ |
| Vicat Softening Temperature | / |
| Heat Deflection Temperature | 102 °C |
| Melting Temperature | / |
| Melt Flow Index | 22 g/10 min |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 50 MPa |
| Elongation at Break | 25 % |
| Flexural Strength | 77 MPa |
| Flexural Modulus | 2050 MPa |
| Impact Strength (X-Y) | 35 kJ/m² |
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