Glossary
Hiding power
Hiding power is a term that is used to describe paints ability to hide or cover a surface.
When used in reference to paint it describes how well it can obscure the surfaces original colour. Hiding power can also be referred to as Opacity or simply abbreviated into HP.
The level of hiding power paint has is affected by two main factors. Firstly hiding power is affected by the number of pigments used in the paint. Paint with more pigments that are properly dispersed (i.e. properly stirred) has better hiding power.
Secondly, hiding power is affected by its application. If over brushed and spread too thin or inadequate coats are applied paints can lose hiding power.
The easiest way to test paints hiding power, before applying it, is to use a hiding power chart. These are coloured cards that are sometimes patented which you apple the paint. Depending on how well it obscures the colour or Patten indicates its hiding power.
Absorbency refers to the degree to which a surface or marital takes in liquids. Materials with high Absorbency such as matte painted walls, plaster and untreated wood (especially softwoods) take in liquids easily. As a result, this can make them prone to staining, mould and frost damage. Materials that aren’t absorbent like plastics, treated wood, […]
Air drying describes a product that naturally dries primarily because of its exposure to the air at room temperature. This is different to other products that might need heating or those that dry independently from the air. Air drying, although commonly used to describe paints, can also be used for glues, fillers and other products. […]
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