Olive oil was used to prepare pigment mixtures, but the drying time was excessively long and unpredictable. Gradually, paints were refined with different oils and additives, working in combination with heat, to produce a group of reliable resin systems and solvent blends for modern industrial coatings that provide the appearance characteristics to satisfy consumers and protective characteristics to make the product last in different environments and conditions. Modern coatings are now used on virtually every durable-good product manufactured.
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