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Sulfur is difficult to dissolve in rubber, and its solubility decreases as the temperature rises. However, this brings another issue: when the temperature drops, the solubility of sulfur in the rubber compound also decreases, causing excess sulfur to precipitate on the surface, resulting in sulfur spraying.

The company was approved as a postdoctoral research workstation in Shijiazhuang High tech Zone in 2021, with complete independent research and development capabilities, and is a leading enterprise in rubber and plastic sealing polymer materials in China.