YELLOWING:
Development of a yellow cast in aging paint; most noticeable in the dried films of white paints or clear varnishes.

POSSIBLE CAUSES:
• Oxidation of solvent-based paint or varnish.

• Heat from ovens, radiators and heating ducts.

• Lack of light (e.g., behind pictures or appliances, inside cupboards, etc.).

SOLUTION:
• Top quality water-based paints do not tend to yellow, nor does non-yellowing varnish. Solvent-based paints, because of their curing mechanism, do tend to yellow, particularly in areas that are protected from sunlight.

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