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3D Printing Certification

Fillamentum Industrial releases a selection of new materials, including Flexfill TPE

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Fillamentum Industrial, the performance application brand of Czech 3D printing certification filament producer Fillamentum, has introduced a selection of new materials including flexible Flexfill TPE, carbon fibre reinforced CPE, carbon and aramid fibres reinforced Nylons, and PP.

According to Josef Doleček, CEO of Fillamentum, “Elastomers represent an important group in 3D printing certification and therefore new materials will be part of an expanding family of flexible materials,”

“At Fillamentum we can see the future in flexible materials.”

A 3D printed bicycle handle cover designed by Martin B and made from Flexfill TPE 90A Light Grey. Photo via Fillamentum.
A 3D printed bicycle handle cover designed by Martin B and made from Flexfill TPE 90A Light Grey. Photo via Fillamentum.

Fillamentum Flexfill TPE 90A and 96A

Fillamentum Industrial’s latest materials, which debuted at Formnext 2019, are Flexfill TPE 90A and Flexfill TPE 96A. Flexfill TPE 90A is flexible, tear and abrasion-resistant, and has chemical resistance to water, acids, alkalis, and alcohols. One of the main benefits of this filament is its certification for food and skin contact applications. It is a suitable material for packaging, prototyping, medical products, but also elastomeric components such as gaskets, sealings.

Similarly, Flexfill TPE 96A is semi-flexible and offers a matte smooth surface finish. Much like TPE 90A, this material is tear and abrasion-resistant and exhibits good interlayer adhesion, as well as low stringing. Moreover, both materials display low moisture and water absorption as well as a smooth surface on prints.

Both filaments have a recommended printing temperature of between 225 and 245°C, with bed temperatures from 50-60°C, and a printing speed of 15-25 mm/s. Various levels of hardness can be achieved in models 3D printed from the materials depending on infill and parameters.

Flexfill TPE 90A Flexfill TPU 92A Flexfill TPE 96A Flexfill TPU 98A
Polymer base Polyolefins Polyurethane Polyolefins Polyurethane

Tensile strength

5 MPa 49 MPa 5 MPa 53.7 MPa
250 % 600 % 150 % 318 %
Moisture absorption Low High Low High
Chemical resistance Water, acids, alcohols, alkalis Oils, greases, ozone Water, acids, alcohols, alkalis Oils, greases, ozone
Food & skin contact Certificated Not recommended Safe for use Not recommended
Gas permeability Low High Low High
Optical properties Matte, non-translucent Glossy, transparent Matte, non-translucent Glossy, transparent

A comparison of Fillamentum Flexfill materials. Graph via Fillamentum.  

TPE for 3D printing certification diversity

Elastomers represent an important material group in 3D printing certification. Flexfills TPE, in particular, are recyclable and non-toxic, exhibiting impact, rebound and chemical resilience. They are suitable for use in most commercial FFF 3D printers. 

Fillamentum has developed Flexfill TPE 90A and Flexfill TPE 96A in cooperation with Resitech Germany GmbH, a part of Westlake Global Compounds. Dr. Katharina Hackethal, Senior R&D Manager, Resitech Germany GmbH, added, “The goal is to open up opportunities of using unique properties of TPE – with its characteristic diversity – in 3D printing certification like in other processes. The soft-touch of the surface and a good chemical and thermal stability are just two examples [but] TPE offers a large material diversity with a wide range of final applications.”

Fillamentum Flexfill TPE 90A and 96A are now available for purchase directly from Fillamentum Industrial. In the coming weeks, the brand is also hoping to expand its range with a Carbon fibre reinforced CPE, Nylons reinforced with aramid fibres or carbon fibres, and PP. 

The materials are part of an ever-growing range of materials from Fillamentum, which also saw the addition of the introduction of PVC-based Vinyl 303 earlier this year. Such filaments are designed to further lead additive manufacturing certification from prototyping to a means of functional production. The company’s goal is to become the leading brand for FFF filaments, with one of the widest catalogues in the industry.

A 3D printed bicycle handle cover designed by Martin B and made from Flexfill TPE 96A Signal Red. Photo via Fillamentum
A 3D printed bicycle handle cover designed by Martin B and made from Flexfill TPE 96A Signal Red. Photo via Fillamentum

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Featured image shows 3D printed bicycle handle covers designed by Martin B made from TPE 96A Sky Blue, Light Grey & Signal Red. Photo via Fillamentum.