Friday's Ask the Experts: Properties of wax
Carnauba wax is a natural substance containing oils that will eventually oxidize with exposure to air and sunlight, turning the film yellow. This is one of the reasons modern finishes do not use true "wax" in their formulation. The yellowing of an acrylic metal-interlock floor finish happens not so often because of chemical color changes, but because of fine soils being ground into the ... — Lynn E. Krafft, ICAN/ATEX editor
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