Kiosk K67: Analysis of Materials

author: Katja Kavkler, Akademija za likovno umetnost in oblikovanje (ALUO), Univerza v Ljubljani
published: April 20, 2017,   recorded: March 2017,   views: 1019


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The kiosk K67 is one of the best known works by designer Saša J. Mächtig. Its shape represents two crossing tubes and has become so iconic that it was even exhibited in the New York Museum of Modern Art (MoMA). Kiosks were produced by company Imgrad (today Ultramarin) in Ljutomer, Slovenia, from 1966 to the 1990s. Kiosks were designed as a group of five different modules, combined into growing entities. Technologically speaking, they were made from the state of the art material of the period, namely the mix ofpolyester and polyurethane. Their colors differed, but most of them were made in red. Unfortunately, no red specimens were available for analyses. Instead, we analyzed a yellow one and a green one. The original color of the latter was blue. Our main interest was in the synthetic resin as well as pigments and fillers used. As expected, the central layer of the structure is composed of fiberglass reinforced polyester and contains aromatic ingredients. Outer layers were pigmented in different colors, with phthalocianine pigments used for the blue color. Two layers of pigmented polyester were added to the outer parts. If overpainted due to being worn out, the new paint penetrated into porous original layers.

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