Explain about distempering, color washing and painting
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palak8098
Varnish has little or no colour, is transparent, and has no added pigment, as opposed to paints, which contain pigment and generally range from opaque to translucent. Varnishes are also applied over wood stains as a final step to achieve a film for gloss and protection.
After being applied, the film-forming substances in varnishes either harden directly, as soon as the solvent has fully evaporated, or harden after evaporation of the solvent through certain curing processes, primarily because of chemical reaction between oils and oxygen from the air or between components of the varnish.
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