Silica white, scientifically known as precipitated silica or hydrated silica, is a white, amorphous, non-toxic powder. It is prepared through chemical methods, typically by reacting silicates with acid in an aqueous solution to form a precipitate, which is then filtered, washed, and dried. Precipitated silica is characterized by its high purity, good reinforcing properties, high oil absorption, and excellent dispersibility.
Silica white, scientifically known as precipitated silica or hydrated silica, is a white, amorphous, non-toxic powder. It is prepared through chemical methods, typically by reacting silicates with acid in an aqueous solution to form a precipitate, which is then filtered, washed, and dried. Precipitated silica is characterized by its high purity, good reinforcing properties, high oil absorption, and excellent dispersibility.
Silica, as a reinforcing filler, can significantly enhance the mechanical properties of rubber and polylactic acid (PLA), including tensile strength, wear resistance, and tear resistance.
It achieves these effects by increasing the crosslink density within the material and improving dispersibility, while maintaining good processability.
It is widely used in tires, seals, and biodegradable products.
Silica enhances the overall performance of coatings and sealants by increasing their mechanical strength, wear resistance, and chemical resistance. It improves the rheological properties of the materials, enhancing thixotropy and sag resistance, while also providing better filling effects and surface smoothness, thereby extending their service life and improving the quality of the final product.
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