Paints and varnishes. Determination of hiding power - Determination of hiding power of paints for masonry, concrete and interior use
Paints and varnishes. Determination of hiding power - Determination of hiding power of paints for masonry, concrete and interior use
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Paints and varnishes. Determination of hiding power - Determination of hiding power of paints for masonry, concrete and interior use

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1   Scope

This document specifies methods for determining the hiding power given by paint coats of white or light colours of tristimulus values Y and Y10 greater than 25, applied to a black and white chart, or to a colourless transparent foil. In the latter case the tristimulus values Y and Y10 are measured over black and white panels. Subsequently, the hiding power is calculated from these tristimulus values.
This document also specifies a simple method for calculating the spreading rate for paints with a volatile matter content with low evaporation speed, e.g. coatings for interior walls and ceilings as specified in EN 13300.