Recreus launches new ‘straightforward print’ polypropylene filament

Spanish feedstock producer Recreus has launched its newest thermoplastic filament – PP3D (polypropylene). The notoriously difficult-to-print-with materials features a  primer which is to be utilized to the print mattress earlier than each print. Recreus claims that the primer permits the polypropylene filament to be printed with ease, delivering “most adhesion of the fabric to the mattress”.

Chemical-resistant and sturdy

Polypropylene’s chemical-resistant and sturdy nature makes it appropriate for quite a lot of home and industrial functions. We generally see the fabric getting used for food and drinks containers, chemical packaging (like bleach bottles), medical syringe elements, and even for the dashboards of vehicles. For technical companies trying to 3D print the fabric, PP3D can be appropriate for purposeful prototypes that require electrical insulation, warmth resistance, acid resistance, salt resistance, and oil resistance. In keeping with Recreus, PP3D complies with European directives on meals contact supplies, though 3D printing meals containers is mostly suggested in opposition to whatever the materials.

The filament was developed with assistance from polyolefin specialist Repsol, and is presently provided in black and white. The really helpful printing temperature is 235°C with a print velocity of 40mm/s. A full checklist of really helpful parameters might be discovered right here.

Parts 3D printed using PP3D. Photo via Recreus.Components 3D printed utilizing PP3D. Picture by way of Recreus.

Recreus PP3D primer

Seemingly, the factor that units Recreus’ polypropylene filament other than the remaining is the inclusion of the specialist primer within the field. The primer is there to offer adhesion, stopping warping and deformation through the printing course of. It’s price noting that the primer reaches most adhesion at solely 40°C and begins to peel off at 80°C, so customers are capable of work with extraordinarily low mattress temperatures. This reduces vitality consumption and extends the operational lifetime of the heated elements within the printer.

For the primer to achieve success, customers are suggested to attend 5 minutes after utility to permit the primer to dry on the mattress. Throughout printing, the mattress ought to be set to 40°C and when the half is completed, cranking it as much as 85°C will see the printed half totally launched with minimal power required.

Recreus PP3D primer. Photo via Recreus.Recreus PP3D primer. Picture by way of Recreus.

As 3D printing methods advance, so do the filaments we use with them. Printed earlier this yr, a examine by researchers from the Beijing College of Chemical Expertise particulars the event of a starch-infused polycaprolactone (PCL)-based composite filament to be used with low-temperature FDM machines. The researchers then additional functionalized the filament by way of the addition of bioactive components, giving it antibacterial properties. Elsewhere, in a US Military supplies lab, a brand new multi-polymer excessive energy filament designed for use with low-cost 3D printers has been created.

The nominations for the 2020 3D Printing Trade Awards at the moment are open. Who do you suppose ought to make the shortlists for this yr’s present? Have your say now. 

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Featured picture exhibits elements 3D printed utilizing PP3D. Picture by way of Recreus.

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