White carbon black, also known as hydrated silica, is an important reinforcing material in the rubber industry. The manufacturing methods of white carbon black are divided into three categories: gas-phase method, precipitation method, and dissociation method.
The main types of precipitated white carbon black in China include white carbon black for shoe-making, white carbon black for ordinary tires, white carbon black for radial tires, white carbon black for room temperature silicone rubber, white carbon black for opening agents, and white carbon black for fire extinguishing agents. The appearance states include ultrafine, ultra-fine, powdery, and blocky.
Analysis of the current market situation of China's precipitated white carbon black industry:
In recent years, guided by the development concept of "innovation, coordination, green, openness, and sharing", the white carbon black industry has maintained sustained and healthy development overall. In terms of production capacity, according to statistics, as of 2019, China's precipitation method white carbon black production capacity was 2.345 million tons, a year-on-year increase of 3.76%.
In terms of enterprise scale, there were a total of 54 manufacturers of precipitated white carbon black in China in 2019. There were 17 enterprises with a scale of over 50000 tons per year, with a production capacity of 1.691 million tons per year and a output of 1.381 million tons per year.