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WiN woodworking INTERNATIONAL 2019/3

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  • August
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WiN - woodworking INTERNATIONAL is the international magazine for the woodworking industry. We report on all aspects of woodworking from board materials, wood treatment to machines, tools and technical know-how, from timber engineering supplies to the latest developments in technologies and markets.

SURFACES Giardina Group

SURFACES Giardina Group Presented New Products The Excimers “We will show the focal points of our production, focusing a lot on the new products: I must say that the events of recent years and the necessary renovation have led us to a different management and vision, which has not failed to influence our ability to innovate.“ This is how Stefano Tibè, sales director of Giardina Group, explained the strategy that has led to the definition of the “Guidelines“ for the participation in Ligna. Giardina Group is one of the very first pioneers of excimer technology with the ”GST Zero Gloss” mattifying tunnels; a process known to the technological world in which the group has believed for several years. At Ligna Giardina Group exhibited two roller machines - one for finishes with grammage up to 5/7 grams and the other that can reach 20, 30 grams per square meter - and the panels painted like so will be mattified with the ‘Gst Zero Gloss’ excimer oven and finally reticulated with the very well-known ‘Gst Uv’ technology. Giardina then demonstrated the result on different finishes for different sectors, wooden flooring and furniture. Giardina presented another great world innovation, a brand-new solution for the mattifying of three-dimensional spray-painted surfaces using excimer UV radiation. The company from Figino Serenza (Como, Italy) has developed a new solution that allows the application of a technological process that is already known and appreciated in various industrial sectors, like in the world of wood and furniture. Thanks to the excimer technology, it is now possible to obtain ”super-matte” surfaces, a decidedly superior chemical and mechanical resistance, a perfect adhesion of the coating product to the support, and maximum ease in cleaning operations on any type of surface. In recent years, matte finishes have been having a great success, but the traditional systems to obtain them, that is the use of silica particles, used to make the final result particularly sensitive to scratches, abrasions, and impacts, a fragility directly proportional to the quantity of ”mattifying product” in the paint. The excimer technology solves the long-standing problem: thanks to paints with special characteristics and the use of special lamps that act in a nitrogen-rich environment, the surface structure can be reticulated to obtain a ”zero gloss”, resistant surface, without damaging the support. The process takes place in the presence of nitrogen, activated thanks to the energy that the excimer lamp emits with a specific wavelength able to reticulate a very thin layer of the surface (between 100 and 500 nm), a very thin micro surface structure which is on the liquid layer of paint and which will then be reticulated with a traditional UV lamp. The advantages are many and of great interest: an ultra-matte (1.5-5 gloss without using mattifying agents) and ”anti-fingerprint” surface, an increase in surface hardness, chemical and abrasion resistance, an extreme ”softness” to the touch, a lower chance of yellowing over time, thanks to a lower quantity of photo initiator and the possibility of obtaining surfaces with a regular and uniform three-dimensional effect. Many are the fields of application: from furniture to kitchens, wooden floors, but also plastics, composite materials, metal, glass. A technology that can be used with different application methods: roller coating for flat elements, both on reels and in single pieces; curtain coating on flat elements; spray painting on threedimensional elements. Giardina Group offers two technological solutions, an oven for industrial applications and a laboratory version. You can obtain transparent or pigmented finishes and the coating products that can be used are 100 % solids UV and solvent or water-based UV. www.giardinagroup.com 28 No. 3 • August 2019

SURFACES Barberán Introduces the Revolutionary System trueTEXTURE Company Barberán presented at LIGNA a revolutionary technology. During a decade Barberán has been leading the development of digital single pass presses for the furniture and flooring industry with great success, reaching a high print quality imitating wood, stone or any other types of design at industrial speeds. But in order to make it look real it also has to feel real, and this is where the efforts of these last years have been for company Barberán, resulting into the trueTEXTURE technology. Barberán in collaboration with company ZeeTree has developed a technology which will mean the final breakthrough of the digital printing technology into the furniture and flooring industry. Barberán showed a complete digital printing line for furniture and flooring purposes at LIGNA. The line has a six-color digital press, the Jetmaster 840 as well as the Barberán Jetmaster TRT 840 with the ZeeTree patented technology which will generate a multitude of different embossing effects imitating to perfection the real wood look, as well as stone or other materials. This new technology presented by Barberán and Zee Tree is an innovative and game-changing technology which will change the future of the flooring and furniture industry. www.barberan.com karuun ® - Natural Perfection Start of Modern Material Thinking Using highly energy efficient technology, out for space transform rattan’s natural structure into a material which is both versatile and innovative. We call this new material karuun ® . A cross-section of rattan looks like a bundle of tubes. These tubes are in fact capillaries which give rattan the ability to transport water up to 200 metres. When the capillaries are injected with various fillers, rattan is transformed from a non-timber product with limited use to a versatile material at the forefront of natural alternatives to plastic. karuun ® defies classification and unlocks a wealth of innovative applications in areas such as the transportation sector, interior and furniture design, sports industry, interaction design, and consumer goods to name but a few. out for space has already attracted several well known companies to work on custom material development projects. The karuun ® product family Processing karuun ® rods into blocks opens the door to a multitude of new applications which harness the material’s natural flexibility and light weight. The homogeneous structure of the fibre is unique, and depending on the direction it is cut, three different karuun ® products each with various possibilities are created. out for space sells semi-finished products made of karuun ® for suitability testing. If you’re interested in discovering the variety of karuun ® materials, you can get samples box on karuun.com. karuun ® stripe - superior aesthetic standard karuun ® stripe allows surfaces with custom dimensions to be manufactured in a process which leaves no visible joints or offcuts. Almost any color variation can be injected into the capillaries and processed into a karuun ® surface. karuun ® stripe is perfect for use on flat surfaces such as boards or panels and its applications in interior design are boundless. karuun ® 3D ‐ the ecological alternative to plastic By combining capillary treatment and special nonwoven viscose fabric, the innovative karuun ® 3D surface boasts unprecedented threedimensional formability. Spherical objects as small as a button to as large as a deep-drawn formed component can be easily manufactured without having to worry about splintering. karuun ® shine - translucent wooden board karuun ® shine is a lightweight material which is simultaneously permeable to both air and light while being strong, pleasant to the touch and highly formable. The unique capillary structure makes karuun ® shine suitable for richly diverse applications, ranging from tailormade, high-tech acoustic protection and futuristic lighting to innovative flooring. www.karuun.com The karuun ® product family - stripe, 3D and shine. No. 3 • August 2019 29

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