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Home > News > Application of precipitated Silicon dioxide

Application of precipitated Silicon dioxide

2019-10-08


Precipitated silica is widely used in rubber industry as the best white reinforcing filler, in the white and light color filler reinforcing performance and surface activity is excellent, widely used in rubber sole, tire, rubber hose, rubber belt, cots, rubber seals and other products.


In the process of producing rubber products, it is usually necessary to add carbon black into the rubber to improve the strength, abrasion resistance and aging resistance.The silica as reinforcing agent, in the ordinary rubber after adding a small amount of white carbon black, the product properties, such as strength, abrasion resistance and aging resistance are reaching or higher than traditional high-grade rubber products, and can produce novel, performance of a new generation of rubber products, such as white carbon black modified rubber materials, color and can keep unchanged for a long time.The bending resistance of the side glue of the color tire is improved from the original 100,000 times to more than 500,000 times and it is expected that the color of the tires of domestic cars and motorcycles will be realized in the near future.Carbon black can be added to PVC, epoxy resin, vinyl resin and other processable resin materials, can significantly improve the quality of products, facilitate processing molding, improve production efficiency, increase the variety, expand the scope of application.The transparency, strength, toughness and anti - aging property of PVC film were improved by adding silica.The hardness, roughness and anti - aging properties of plastic doors and Windows were greatly improved after adding a small amount of silica.Modified polypropylene plastic to make use of white carbon black, the main technical indicators (water absorption, insulation resistance, compression strength of residual deformation, crooked, etc.) are reaching or higher than the performance of the engineering plastics nylon 6 indicators, which can realize polypropylene engineering plastic parts instead of nylon 6, the product cost, a big drop in the economic benefit is significant.

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