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IPO-ready Exentis shows off metal 3D screen printing for mass AM production

The company's technology can easily produce millions of complex parts cost-effectively

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Exentis Group AG, the provider of a 3D screen printing technology platform that allows large-scale industrial production, is showing off its capabilities, starting with thousands of microfilters that were 3D printed in metal and are ready to be used without the need for post-processing. Exentis is planning an IPO on the main German stock exchange later this year.

In the 3D screen printing process, a type of bound metal 3D printing (BMP), a printable suspension of metal powder and a binder is pressed in a screen printing process through a computer-generated mask, followed by a hardening step. In the next step layer-on-layer printing is repeated until a three-dimensional part is manufactured.

Late last year the company took part in Commerzbank’s Pre-IPO Summit 2023 late last year, a conference for foreseeable IPO candidates. Exentis has been “IPO-ready” since 2022. The IPO on the Frankfurt Stock Exchange, originally planned for November last year, had to be postponed on the recommendation of the accompanying banks due to increasing fears of recession. Based on the positive feedback from the investors met, Exentis will continue to consistently implement its strategy. From today’s perspective, Exentis is therefore aiming for an IPO in autumn 2024, depending on further market developments.

As a solution provider, Exentis claims to have the world’s only market-ready proprietary 3D technology platform, based on 3D screen printing, that allows large-scale industrial production. This type of industrialized additive manufacturing can be used universally, including for industrial or cleanroom applications. It supports a wide choice of materials, such as metals, ceramics, polymers, pharmaceuticals or bioprinting products.

IPO-ready Exentis shows off metal 3D screen printing for mass AM production that can produce millions of complex parts cost-effectively
The Exentis team.

This results in a highly flexible 3D production technology that combines post-processing component geometries with advantageous cost-benefit ratios. The cold 3D screen printing process used is also sustainable and conserves materials and resources. Exentis customers can choose between exclusive in-house production within the framework of license agreements or millions of orders for their applications to be manufactured by Exentis.

IPO-ready Exentis shows off metal 3D screen printing for mass AM production that can produce millions of complex parts cost-effectively
More than 6,000 micro filters were printed in less than 30 minutes.

Paul Gately, the company’s Strategic Accounts Directory, showed off on LinkedIn more than 6,000 micro filters that were printed in less than 30 minutes (see photo on the right) without the need for de-powdering and cleaning. He emphasized that the possibilities are endless with a broad range of metallics, ceramics, and composite powders available. In addition, he pointed out that “the example filter parameters are impressive with a diameter of 2 mm, height of 0.6 mm, wall thickness of 120 μm, and a hole diameter of 150 μm”.

Unlike other additive manufacturing processes, Exentis 3D screen printing technology can thus produce as many as millions of parts per year on just a single production system. Not only ceramics, metals and polymers, but also active pharmaceutical ingredients and biomaterials such as active cell cultures can be easily processed and flexibly combined. For example, the production of up to 200 million tablets per year with a freely definable active ingredient release profile in the human body.

Exentis technology can also be used to mass 3D print complex pharmaceutical tablets.

Resolutions of up to 30,000 dpi enable the production of ultra-fine structures with wall thicknesses under 50 micrometers. And all of this with consistently high quality in large-scale production. In contrast to conventional manufacturing processes, Exentis can produce the screens required to use its 3D technology within just 24 hours. There is no need for time-consuming and cost-intensive tool and mold construction. The changeover time from one component or material to another is only a few minutes.

Furthermore, the Exentis 3D screen printing technology is based on an energy-efficient and environmentally friendly cold printing process. At room temperature. Without any laser. This protects the materials used and ensures the survival of the processed biomaterial. The technology’s inherent high precision eliminates the need for time-consuming and cost-intensive post-processing of the manufactured components. Depowdering is not necessary, making this process fully ready for industrialization. And a possible IPO on the German main index this year.

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Davide Sher

Since 2002, Davide has built up extensive experience as a technology journalist, market analyst and consultant for the additive manufacturing industry. Born in Milan, Italy, he spent 12 years in the United States, where he completed his studies at SUNY USB. As a journalist covering the tech and videogame industry for over 10 years, he began covering the AM industry in 2013, first as an international journalist and subsequently as a market analyst, focusing on the additive manufacturing industry and relative vertical markets. In 2016 he co-founded London-based VoxelMatters. Today the company publishes the leading news and insights websites VoxelMatters.com and Replicatore.it, as well as VoxelMatters Directory, the largest global directory of companies in the additive manufacturing industry.

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