|For a water resistant dark grey magnetic coating, mix up to equal parts of Ferrous Powder to a slurry with Gloss (turps-based), Matt (turps-based) or Satin(turps-based), then seal with the varnish. Ferrous powder can be rusted. Consult our website for details. Otherwise, mix with Gloss (turps based) or Satin (turps based) and varnish to seal. Avoid sprinkling. Large amounts may cause the canvas to sag.
Use Ferrous Powder on paintings and mixed media. 50ml bottle. Colour may be slightly different to displayed colour.