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Treed PC PBT GF

Ref.: TREED-PCPBT-GF-175-750

41.66 €

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Approximate delivery date: Wednesday 8 January - Friday 17 January

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The PC PBT GF filament from Treed Filaments is an affordable engineering filament with superior mechanical strength and dimensional stability thanks to the uniform distribution of high-quality glass fibers achieved through precise mixing and strict quality control. Its anthracite grey color provides an attractive finish, and it is designed to be printed on open printers without the need for a heated chamber. This filament is also very affordable, making it an excellent choice for cost-effective, high-performance 3D printing.

The PC PBT GF filament

Image 1: The PC PBT GF filament. Source: Treed Filaments.

The PC PBG GF filament from Treed Filaments offers excellent mechanical properties, with a tensile strength of 78 MPa, a tensile modulus of 6100 MPa, and a flexural modulus of 6000 MPa. It provides good impact resistance, with Charpy impact values of 16 kJ/m² at 23 ºC and 8 kJ/m² at -30 ºC. As far as thermal performance, the filament offers a thermal conductivity of 0.20 W/m-ºC and a heat deflection temperature (HDT) of 156 ºC at 0.45 MPa and 120 ºC at 1.8 MPa, making it suitable for high-performance applications.

Image 2: PC PBT GF vs PA GF. Source: Treed Filaments.

PC-PBT filament with glass fibers combines the impact resistance of polycarbonate, the chemical resistance and good lubrication of polybutylene terephthalate (PBT), and added stiffness from glass fibers, making it ideal for high-strength, durable applications in the automotive, aerospace, electronics, and industrial sectors. Its other advanced features sich as thermal stability, chemical resistance, dielectric strength, and flame retardancy make it suitable for components exposed to high temperatures, chemicals, and mechanical stress, and a great substitute for PA GF in certain applications.

General information
Material	PC
Format	750 g
Density	(ISO 1183) 1.36 g/cm³
Filament diameter	1.75 / 2.85 mm
Filament tolerance	- mm
Filament length	(Ø 1.75 mm - 0.75 kg) ± 229.3 m / (Ø 2.85 mm - 0.75 kg) ± 86.4 m

Printing properties
Printing temperature	250-270 ºC
Print bed temperature	90 ºC
Chamber temperature	✗
Cooling fan	✗
Recommended printing speed	30-60 mm/s
Recommended nozzle diameter	Min. 0.4 mm

Mechanical properties
Charpy impact strength	(ISO 179 @ 23 ºC) 16 KJ/m²
Elongation at break	- %
Tensile strength	(ISO 527) 78 MPa
Tensile modulus	(ISO 527) 6100 MPa
Flexural strength	- MPa
Flexural modulus	(ISO 178) 6000 MPa
Surface hardness	-

Thermal properties
Softening temperature	(ISO 75 @ 0.45 MPa) 156 ºC

Specific properties
Chemical resistance	✓

Other
HS Code	3916.9
Spool diameter (outer)	- mm
Spool diameter (inner hole)	- mm
Spool width	- mm

The recommended extruder temperature for the PC PBT GF filament is 250-270 ºC, with a heated bed at 90°C, and a hardened steel nozzle with a minimum diameter of 0.4 mm due to the contents of abrasive glass fibers. A 5 mm minimum wall thickness is required for optimal results.

Print speed should be set between 30-60 mm/s, with the fan turned off (0%). Avoid leaving the filament idle in the nozzle for more than 20 minutes, and if the temperature drops below 210 ºC, it's best to stop the thermal control to prevent clogging.

PC PBT GF should be stored in adequate conditions to ensure optimal filament and part quality. It is best to store the spool in a sealed plastic bag with a desiccant capsule or in a specialized airtight container. For best results pre-dry the filament in a filament dryer at 85 ºC for 2 hours.