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Influence of demoulding oil properties on the facingquality and on the protection of formwork agai


Production of concrete elements

 


A concrete facing is an apparent surface of a form, however surface defects can appear if inappropriate demoulding oil is employed. The purpose of this study initiated by a formwork manufacturer is to study the influence of the nature of the oil (vegetable, mineral,…) and their system of application on the formwork surface. The mould surface (new, worn) is also studied. According to this study, it appears that to protect formwork against corrosion and to obtain ‘beautiful’ concrete facings, it is recommended to use oils with vegetable base with or without synthesis agent.

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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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