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PP CF pellets

Ref.: PELLETS-NANOVIA-PPCF-350

14.45 €

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Approximate delivery date: Thursday 16 January - Thursday 23 January

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Nanovia, a French manufacturer of specialistic 3D printing materials, is known for their high quality filaments and pellets for industrial applications. Their specialty are premium blends and innovative products for sectors such as the aeronautical, naval, automobile, paramedical or defence. The PP CF pellets (also available in filament format) by Nanovia are ideal for outdoor applications, even in hot and humid environments, and for the 3D printing of high stress industrial pieces that have to endure regular flexing while maintaining dimensional control in challenging conditions, for example cogs, screws and hinges.

Parts 3D printed with the PP CF pellets

Image 1: Parts 3D printed with the PP CF pellets. Source: Nnaovia.

This is possible thanks to the composition of the pellets where a polypropylene base is additivized with carbon fiber. This blend makes the PP CF pellets superior to standard PP, giving the 3D printed parts lighter weight, excellent dimensional stability, as well as great resistance to abrasion, chemicals and UV radiation. The lighter weight combined with all the other properties makes PP CF especially useful as a metal substitute in certain applications. Furthermore, the PP CF blend is characterized by great resistance to humidity (-1 % water absorption after 24h submersion). The addition of the carbon fibers also increases the rigidity of the PP by preventing the PP from gradually becoming more flexible with high temperatures. This makes it possible to manufacture parts that require dimensional control in hot and humid environments.

Those qualities make this PP filament reinforced with carbon fibers perfect for the manufacturing of high performance light mechanical parts that are in contact with a solvent and/or exposed to the elements for a prolonged period of time. Such parts can be manufactured with the help of pellet extruders that deposit the melted PP CF directly onto a building surface, for example the Mahor V4 pellet extruder (mountable on any open architecture FDM 3D printer) or the Dyze Pulsar pellet extruder for large scale pellet manufacturing. The Nanovia PP CF pellets can also be used to manufacture 3D printing filament with the help of the compact desktop Felfil EVO extruder.

General information
Manufacturer	Nanovia
Material	PP
Format	350 g / 5 kg
Density	1.00 g/cm³

Mechanical properties
Charpy impact strength	3.5 KJ/m²
Elongation at break	(ISO 527) 3.3 %
Tensile strength	(ISO 527) 29 MPa
Tensile modulus	(ISO 527) 5385 MPa
Flexural strength	- MPa
Flexural modulus	- MPa
Surface hardness	-

Thermal properties
Melting temperature	- ºC
Softening temperature	- ºC
Processing temperature	235 - 255 ºC
Glass transition temperature	- ºC
Heat deflexion temperature	- ºC

Specific properties
Chemical resistance	✓

Other
HS Code	3901.1

The Nanovia PP CF pellets should be stored in a dry place, preferably in a vacuum sealed container with desiccant, in order to prevent humidity from negatively affecting the material, thus leading to extrusion problems and poor surface quality of the 3D printed parts. If the pellets absorb too much moisture (manifested in oozing, sizzling, bubbles in the extruded plastic), they should be dried for 4 hours at 60 ºC. The PP CF pellets should be extruded at a temperature of 235-255 ºC, on a bed heated to 80-100 ºC and in a chamber heated to 20 ºC.

In the case of bed adhesion issues, it’s recommended to either use a "raft" setting in the slicing software or a PP printing surface. The latter can be achieved by applying polypropylene based adhesive onto the printing surface, for example the Magigoo PP or Smart Stick.

Adequate air filtering precautions should be taken when extruding with the Nanovia PP CF pellets. An external air purifier can be used, such as the Zimpure 2 air purifier. Wearing standard safety equipment during the post treatment of prints made with Nanovia PP CF pellets is also recommended, for example protective gloves and face protection.

Since the PP CF pellets cotain carbon fiber, they will result too abrasive for standard nozzles and will results in the excessive wear of the nozzle and lower quality of prints. In order to avoid that, a wear resistant nozzle should be used, with a diameter of at least 0.5 mm.