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New PP fibre with extraordinary melting characteris -tics for better fire protection in concrete c

baumhueter extrusion GmbH, 33378 Rheda-Wiedenbrück, Germany


It is well known that the resistance of concrete to fire can be increased significantly by mixing synthetic fibres made of PP into the fresh concrete. In the case of fire, the melting fibres gives rise to a system of capillaries and pores, so that the steam released in the concrete can escape, preventing the explosion-like spalling of concrete elements. At baumhueter extrusion GmbH, extensive experiments have been performed in order to clarify questions of the optimum fibre geometry, the optimum raw material for the fibres and the best dosage. This report summarises the results. Finally, at the centre of attention of further considerations is the newly developed PP fibre, PB Eurofiber HPR, with extraordinary melting characteristics and a significantly improved fire protection effect.

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baumhueter extrusion GmbH
Lümernweg 186
33378 Rheda-Wiedenbrück, Germany
T +49 5242 5950
F +49 5242 35846

CPi worldwide journals are trade journals for the concrete and precast concrete industry that are published in 10 different language editions in more than 170 countries. These trade journals, with their practical editorial reporting on research, production and applications, are specifically addressing the decision makers of the concrete and precast concrete industry.

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