White Carbon Black: The 'Invisible Hero' of the Rubber Industry
On the grand stage of the rubber industry, white carbon black is like a low-key but crucial "invisible hero", silently playing an irreplaceable role.


White carbon black, also known as hydrated silica, has a unique microstructure and excellent physical and chemical properties. When it is added to rubber, it is like injecting a magical force into the rubber. The silicon hydroxyl groups on its surface can form physical or chemical bonds with rubber molecular chains, thereby constructing a fine network structure inside the rubber.


This network structure greatly enhances the mechanical properties of rubber. It significantly enhances the tensile strength, tear strength, and wear resistance of rubber. Taking car tires as an example, tires with added white carbon black can better resist road friction and impact during driving, extend their service life, and reduce safety hazards caused by tire wear. Meanwhile, white carbon black can also reduce the rolling resistance of tires, improve fuel economy, and contribute to energy conservation and emission reduction.


White carbon black also plays a key regulatory role in the processing performance of rubber. It can improve the flowability and extrusion performance of rubber, making it easier to shape during processing and increasing production efficiency. Moreover, white carbon black can endow rubber with good reinforcement and filling properties, reducing production costs.


With the continuous development of the rubber industry, the performance requirements for rubber products are also increasing. White carbon black, with its excellent performance and wide application prospects, has become an indispensable and important material in the rubber industry, continuously promoting the development of rubber products towards higher performance and environmental protection.