There are many uses for both reversible and non-reversible mediums in decorative painting. A reversible medium can be taken back to a glaze with water (or alcohol like shellac). Non-reversible mediums are far more common and are permanent (unless a solvent is used to remove). Reversible Mediums: Gouache Glaze = Gum Arabic + H2O + […]
Spontaneous combustion of Linseed Oil
December 30, 2013 by 2 Comments
This is an example of spontaneous combustion of linseed oil. This cotton glove, that was soiled with linseed oil and paint thinner, was thrown in the trash on a jobsite which ended up being a perfect opportunity for a fire to start. When linseed oil oxidizes (dries), it creates heat when it is mixed with […]
Acetone
May 24, 2013 by Leave a Comment
Acetone is a colorless and flammable solvent. It is used mostly for printing, dry cleaning, and nail polish remover. It is very smelly and powerful. In decorative painting, common uses are: A cleaning agent for brushes (use a cloth wet with acetone to clean dried paint). Do not soak brushes in acetone for an extended […]
Denatured Alcohol
March 15, 2013 by 5 Comments
Denatured alcohol is a solvent used with alcohol-based products, such as shellac. This product is purely a solvent, without additives. This is a handy solvent. We put it in small containers that go on every job. Here are some uses of denatured alcohol. Cleans off dry acrylic paint/glaze A good cleaner for dirty surfaces (as […]
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