Chipping Medium is a water based medium to create flaked paint, scratches, and rust chips. Chipping Medium can be applied with airbrush or brush to create chipping effects with waterbased acrylic colors. These are acrylic paint colours from Acrylicos Vallejo They are waterbased paints which are non-toxic and non-flammable and come in a 17ml... Waterbased Acrylic Paints 17 ml Eyedropper bottle Non-Toxic Non-Flammable Specifically designed for brush painting