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Prusament PC Blend

Ref.: PRUSA-PC-BLEND-URBANG-175-90G

45.45 €

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The PC Blend filament (modified polycarbonate) from Prusa Research represents an advanced solution in professional 3D printing, ideal for projects requiring high mechanical strength, extreme durability, and stable performance under elevated temperatures. This material has been developed to meet the demands of industrial and engineering environments, where conventional polymers like PLA or PETG do not achieve the required performance.

Thanks to its superior thermal and mechanical properties, PC Blend enables the production of functional parts, components subjected to constant mechanical stresses, and elements exposed to intense heat, without compromising dimensional accuracy or structural stability. Additionally, it offers notable bed adhesion and enhanced properties compared to traditional polycarbonates, making it a reliable and effective choice for high-performance FDM 3D printers.

Parts printed with Prusament PC Blend filament. Source: Prusa3D

Photo 1: Parts printed with Prusament PC Blend filament. Source: Prusa3D

Outstanding Features of PC Blend Filament

The following table summarizes the most relevant technical attributes that position PC Blend as a premium option for functional printing and precision engineering.

Property	Value / Description
Thermal resistance	Up to 113 °C
Hardness	High
Dimensional stability	Very good
Low‑temperature flexibility	Maintained
Mechanical properties	High rigidity and impact resistance
Bed adhesion	Excellent, even without an enclosure
Insulating properties	Good electrical characteristics
Manufacturing tolerance	±0.03 mm
Hygroscopicity	Very low (no pre‑drying required)
Post‑processing ease	High (easy to sand dry or wet)
Solubility	Not soluble
Printing speed	Fast
Abrasiveness	None
Odor during printing	Noticeable
Warping susceptibility	High for large parts without preventive measures

Photo 2: Parts printed with Prusament PC Blend filament. Source: Prusa3D

Advantages and Disadvantages of Using PC Blend in 3D Printing

The following analysis compares the benefits and limitations of PC Blend, enabling a precise evaluation for technical and production applications.

Advantages	Disadvantages
✅ High thermal and mechanical resistance	❌ Requires high printing temperatures
✅ Ideal for parts under mechanical or thermal stress	❌ Prone to warping in large models without proper adhesion
✅ Maintains flexibility in cold conditions	❌ Noticeable odor during printing process
✅ Excellent dimensional stability and minimal layer deformation	❌ Higher cost compared to standard materials
✅ Good bed adhesion	❌ Requires release agent on the print bed
✅ No pre‑drying needed (very low hygroscopicity)	❌ Higher printing difficulty for inexperienced users

Video 1: Behind the scenes of the Prusament PC Blend filament photo shoot

Ideal Applications for PC Blend Filament

The PC Blend filament is especially suited for producing technical parts that require superior mechanical and thermal properties. It is commonly used for:

• Components subjected to friction and mechanical wear.

• Functional parts used directly in production machinery.

• Enclosures and mounts for electronic devices requiring thermal insulation.

• Functional prototypes with strict dimensional tolerances.

• Heat‑exposed elements such as fan shrouds, industrial enclosures, or engine parts.

Parts printed with PC Blend filament. Source: Prusa3D

Photo 3: Parts printed with PC Blend filament. Source: Prusa3D

Conclusion: A Professional Choice for Demanding Print Projects

PC Blend is not just another filament—it is a high‑performance tool that elevates 3D printing to the next level. Its thermal resistance, structural hardness, dimensional stability, and post‑processing ease make it an ideal solution for those needing to produce functional parts with technical reliability and consistent precision.

Printing process with PC Blend filament. Source: Prusa3D

Photo 4: Printing process with PC Blend filament. Source: Prusa3D

In environments where durability, heat resistance, and precision are critical, PC Blend offers a robust alternative to conventional materials. A reliable choice for industrial parts development, mechanical prototypes, and components exposed to extreme conditions.

Video 2: Review of the Prusament PC Blend filament.

General information
Material	PC
Format	970 g
Density	(Prusa Polymers) 1.22 g/cm³
Filament diameter	1.75 mm
Filament tolerance	0.03 mm
Filament length	330.6 m

Printing properties
Printing temperature	275 ºC
Print bed temperature	110 ºC
Cooling fan	20 (0-30)%
Recommended printing speed	Up to 200 mm/s

Mechanical properties
Charpy impact strength	(ISO 179-1) No break KJ/m²
Tensile strength	- MPa
Tensile modulus	(ISO 527-1) 1900 MPa
Flexural strength	(ISO 178) 88 MPa
Flexural modulus	(ISO 178) 2100 MPa
Surface hardness	(Prusa Polymers Shore D) 79

Thermal properties
Softening temperature	(ISO 75 0.45 MPa) 113 ºC

To achieve optimal results when printing with PC Blend filament, it is essential to properly adjust temperature settings, prepare the print surface correctly, and apply specific techniques to prevent model deformation during the process.

Recommended settings

Extruder temperature: 275 ± 10 °C.
Heated bed temperature: 110 ± 10 °C.
Cooling: Enable part cooling fan at 20%
Sheet type: Satin PEI or powder-coated textured.
Glue stick use: Apply a thin layer of glue stick (KORES-type) as a separation agent.

Printer hardware requirements

Heated bed: Required.
Enclosure or skirt: Highly recommended.
Hotend: No special hotend required.
Print surface: Must use separation layer to prevent damage.

Print surface preparation

PC Blend adheres strongly to satin or textured sheets, so applying a separation agent before printing is essential. The safest and most effective method is applying a thin glue stick layer on the surface. This prevents excessive adhesion and protects the sheet. Note that this method is exclusive to PC Blend and should not be used with PLA, PETG, ASA or Flex.

How to reduce model warping

To minimize the risk of deformation when printing with PC Blend, the following is recommended:

Increase bed temperature within the allowed range.
Add a brim of at least 4 mm to improve first layer adhesion.
Include a tall skirt around the model, as tall as the object itself.
Reduce the number of perimeters and infill to minimize internal stress.
Place the model in the center of the bed for more uniform thermal distribution.
Print small objects when possible, as they are less prone to warping.
Avoid cold drafts or environments with sudden temperature changes.
Use a printer in an enclosure to maintain stable thermal conditions.

Following these recommendations ensures more reliable prints, better surface quality, and minimal dimensional distortion.