Zinc stearate is a white powder, insoluble in water, soluble in heat It contains organic solvents such as ethanol, benzene, toluene, and turpentine; it decomposes into stearic acid and corresponding salts when exposed to acids; it is a fire hazard under dry conditions, with an auto-ignition point of 900°C; it is hygroscopic.
Zinc stearate is mainly used as a lubricant and release agent for styrene resin, phenolic resin, and amine resin. At the same time, it also has the functions of vulcanization activator and softener in rubber. But zinc stearate also has medicinal applications.
According to the supply of zinc stearate, the applications of zinc stearate in the pharmaceutical field are as follows:
Zinc stearate can be used as a pharmaceutical excipient;
The hydrophobicity of zinc stearate can effectively prevent tablets from getting damp;
Zinc stearate is also mainly used as a lubricant for tablets and capsules in pharmaceutical preparations. Its concentration can reach up to 1.5%w/w�
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