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PP3D is the polypropylene (PP) filament that Recreus and Repsol have jointly developed. This synergy results in high quality polypropylene thanks to Repsol's contribution and experience in the manufacture of polyolefins.
One of the most outstanding characteristics of this product is that the filament is accompanied by a primer to be applied on the printing base; achieving the adhesion of the filament to the printing base at only 40 ºC.
The PP3D polypropylene filament is available in two colors: Black and Natural; and in two diameters: 1.75 mm and 2.85 mm.
The PP3D filament has a high level of resilience, high impact resistance, exceptional fatigue resistance, high levels of toughness and a low coefficient of friction. It's also resistant to a wide range of acids and bases. Its finish is matte, similar to that resulting from the injection process, concealing the union of layers until it's almost imperceptible.
The advantages of this filament do not end there, since it has a food grade certificate, making it suitable for contact with food. The Natural color PP3D filament has an added feature, and is that it can be autoclaved at 121 ºC .
All these properties make the PP3D polypropylene an ideal material for both prototyping and the manufacture of resistant and light final parts, due to its low density.
At the time of printing, the PP3D polypropylene filament stands out for its good adhesion between layers and for the ease of printing compared to other polypropylene filaments that have a high level of warping. This decrease in warping is achieved thanks to the use of Primer, which provides a strong and immediate adhesion to the printing base.
The PP3D polypropylene filament spool is accompanied by a jar of primer. This primer must be applied to the printing base before each use so that the printing result is optimal. It should be kept in mind that both products (filament + primer) have been developed to be used together, so the use of one without the other can lead to failed prints.
At the end of a printing session with the PP3D filament, the Primer can be removed from the printing base in a simple way, heating the hot bed of the printer to 85 ºC to be able to peel off the primer layer. If you want to make more prints, it must be taken into account that the same primer layer can be reused in up to 3 consecutive printing sessions, with large and small pieces. The primer is heat activated, so the same application can be reused for several prints if the bed is not cleaned between printing sessions.
It is therefore recommended to group 3D printing sessions with the PP3D filament to get the most out of the primer. This way, the user can save on primer consumption. Another important thing to keep in mind is that the primer should only be applied to the surface that the piece will occupy, not the entire build plate.
Following these tips will ensure that the primer jar will last for the entire spool of the PP3D filament.
The PP3D filament + primer allows a multitude of applications in different sectors of the industry. The most outstanding applications are:
Thanks to the development of Recreus and Repsol, the user can enjoy the advantages of 3D printing polypropylene pieces in a relatively simple and effective way, reducing the warping that usually accompanies printing with polypropylene filaments.
Impact strength (KJ/m2) | 50 |
Flexural modulus (MPa) | 800 |
Softening temperature (ºC) | 61 |
Sealing | Sealing |
Lightweight | Lightweight |
Alimentary use | Alimentary use |
Hide color variations | (Hide color variations) |
When using the Primer included with the PP3D, the following steps must be followed:
For cleaning the print bed, it's recommended to use Sanytol or acetone. Isopropyl alcohol is not recommended. Another way to remove the primer from the printing surface is to heat the bed and print a few layers of a different material. When the part is removed, the primer residue will go with it, leaving the bed completely clean.
The recommended printing parameters are as follows:
The primer is a great tool that significantly reduces warping. In any case, it's recommended to print a raft with an 8 mm offset and a 0.15 mm separation layer; or use an 8mm brim. Adding these printing parameters to the use of the primer on the printing base will make warping practically inexistent.
The manufacturer Recreus offers the user a series of tips to facilitate printing with PP3D. They can be found at the following link.
General information | |
---|---|
Manufacturer | Recreus |
Material | PP-Polypropylene + Primer |
Format | Spool of 600 g |
Density | 0.9 g/cm3 |
Diameter of filament | 1.75mm or 2.85 mm |
Diameter tolerance | - |
Filament length | ±278 m (Ø1.75 mm-0.6Kg) ±105 m (Ø2.85 mm-0.6Kg) |
Color | Black or Natural |
RAL/Pantone | - |
Print settings | |
Printing temperature | ±235ºC |
Print bed temperature | 40 ºC with Primer |
Chamber temperature | Not necessary |
Cooling fan | Recommended |
Mechanical properties | |
Izod impact strength (ASTM D256) | 50 KJ/m2 |
Charpy impact strength | 60 KJ/m2 |
Elongation at break | - |
Tensile strength (ASTM D638) | - |
Tensile Modulus (ISO 6721) | - |
Flexural strength (ISO 178) | - |
Flexural modulus | 800 MPa |
Surface hardness (ISO 2019-1) | - |
Thermal properties | |
Softening temperature (ISO 75) | 61ºC |
Melting temperature | 190-250 ºC |
Specific properties | |
Transparency | - |
Additional Information | |
HS Code | 3916.9 |
Diameter coil (outer) | 200 mm |
Diameter coil (inner hole) | 53 mm |
Coil Width | 50 mm |
* The typical values detailed in this table should be considered as a reference. Actual values may vary depending on the 3D printer model used, part design and printing conditions. We recommend confirming the results and final properties with own tests. For more information you should consult the technical data sheet of the product.
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