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All mediums come individually in 50ml & 250ml jars.
Create a superb textured surface for pastels and charcoal by adding up to 50% Wollastonite to Matisse Background paint. The acicular shape of the particles of Wollastonite produces a more uneven texture than Ground Quartz, therefore giving a ground for harder pastels (use Ground Quartz for soft pastels). Wollastonite has uses in reinforcing coatings and is ideal for acrylic paints due to its alkaline properties. Add to MM7 Gloss Varnish and Gloss Medium, MM10 Gesso, MM27 Low Viscosity Gesso or MM28 Polymer Satin Varnish (water-based) to create areas of texture in paintings on canvas. Oil painters can mix Wollastonite with their favourite appropriate oil painting mediums, however it is recommended that testing should always be done before the medium is used on artwork.