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Barium stearate is a white or slightly yellow amorphous powder, insoluble in water, soluble in hot ethanol, benzene and turpentine, dissolved in organic solvents after heating and cooling into a gel, in the case of strong acid decomposition into stearic acid and the corresponding salt, in the air has moisture absorption. Sulphide pollution free.
Application of Barium stearate in PVC industry: as a heat stabilizer and lubricant for PVC. The heat stabilization is better than calcium stearate and has better light stabilization. It has good synergistic action with cadmium soap, barium soap or organotin compound.
Barium stearate, however, is prone to sulfide contamination and is sprayed with cream when used in large quantities. And in the process of processing will react with the resin hydrogen chloride to form barium chloride, affecting the transparency of products. Therefore, this product is mainly used for a variety of opaque hard and soft PVC products, such as PVC 70℃ sheath grade cable material, 90℃ and 105℃ cable material, PVC pipe, pipe fittings, shaped pipe, hard plate, shoe material, etc.
Application of Barium stearate in PVC industry
Since Barium stearate is insoluble in water, it can also be used in the formulation of rigid polyvinyl chloride drinking pipes.
That’s all we talk about today: Application of barium stearate in PVC industry.
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