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Precipitated silica, a formula of synthetic amorphous silicon dioxide, is derived from quartz sand which is a crystalline form of silicon dioxide. Its physical properties can be manipulated at the time manufacturing process to deliver products with a wide range of performance-enhancing characteristics engineered for many various end-use applications. It is useful to increase the bond strength and as a reinforcing and thickening agent. In both synthetic and natural rubber based adhesive, it provides thixotropy, reinforcement and promotes adhesion and serves as extenders, thus it raises quality and lowers price. Moreover, Precipitated silica avoids resin separation and the settling of pigments.