In the rubber industry, derivatives of stearic acid are used in the mixture of substances that are added to rubber to control flexibility or other properties of the final product.
Some stearates are used by the polymer industry, as lubricants, anti-static agents and mold releasing agents.
Stearic acid used in the fabrication of candles, improves appearance, luminosity, durability, and unmolding.
In crayons, it gives better dispersion of ink, better absorption and retention on paper, among others.