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All mediums come individually in 50ml & 250ml jars.
Almost weightless, Pumice is vesiculated volcanic glass with a rough texture. Applied smoothly, it produces a pleasing, consistently rough, flat surface, unlike the larger grades of sand or the Weipa Calcined Bauxite which produce a sharper surface. Capable of creating unusual textures on large canvasses due to its light weight, Pumice is also suitable for mixed media, collage and collograph plates. Up to equal parts pumice can be added to either MM2 Impasto Medium, MM4 Gel Medium, MM6 Polymer Matt Varnish (water-based), MM7 Gloss Varnish and Gloss Medium, MM28 Polymer Satin Varnish (water-based) or MM30 Matt Gel Medium. Oil painters can mix Pumice with their favourite appropriate oil painting mediums, however it is recommended that testing should always be done before the medium is used on artwork.