Application of calcium stearate

Calcium stearate is carboxylate of calcium that is found in some lubricants and surfactants. It is a white waxy powder.
Calcium stearate is as a flow agent in powders including some foods (such as Smarties), a surface conditioner in hard candies such as Sprees, a waterproofing agent for fabrics, a lubricant in pencils and crayons.The concrete industry uses calcium stearate for efflorescence control of cementious products used in the production of concrete masonry units i.e. paver and block, as well as waterproofing. In the paper production, calcium stearate is used as a lubricant to provide good gloss, preventing dusting and fold cracking in paper and paperboard making. In plastics, it can act as an acid scavenger, a lubricant and a release agent. It may be used in plastic colorant concentrates to improve pigment wetting. In rigid PVC, it can accelerate fusion, improve flow, and reduce die swell.
Applications in the personal care and pharmaceutical industry include tablet mold release, anti-tack agent, and gelling agent.Calcium stearate is a component in some types of defoamers.