Stearate series can be used for plastic stabilizing agent, lubricant, halogen absorbent, grease intensifier, waterproof agent for textile, flatting agent for painting, cosmetics powder agent and mold-release agent. The stearate products in market often produced by double decomposition process, aqueous phase one-stage process and melting process. And the aqueous phase one-stage process and melting process are often used widely in polyethylene process, plastic and coating industry because of the advantage of high purity and less impurity.