MM28 Polymer Satin Varnish is used as a final varnish over a dried, well-cured acrylic painting when a satin or very mid level sheen is required (and the use of MM29 Satin Varnish (turps-based) is not appropriate).
Polymer water-based varnishes may appear to be slightly hazy whilst in solution. This is an optical effect produced by light refraction of acrylic particles suspended within the water-based medium. The effect disappears when the film is dry. As acrylics dry very rapidly, care should be taken to apply varnish pre-diluted with water. Polymer Varnish, applied in very thick layers on a hot day, could trap moisture, resulting in a cloudy film which would be very difficult to correct.
Material Safety Data Sheet (MSDS)
To view or download a copy of MM28 MSDS, please CLICK HERE (286kb)
A varnish is a clear coat applied over the top of an artwork. It has two main functions – to give an even sheen to the work, which will in turn help to bring out the full intensity and beauty of the pigments, and to protect it from several different areas of attack such as wear and tear and airborne grime and chemicals.
(For more info, see further techniques and instructions on our dedicated Varnishing Techniques page.)
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