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What is white carbon black?(silica)

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White carbon black is a silicon compound with the following physical and chemical properties:

  *Appearance: White highly dispersed amorphous powder or flocculent powder, which can also be processed into granules.
  *Specific gravity: 2.319~2.653.
Melting point: 1750℃.
  *Solubility: Insoluble in water and most acids, but soluble in caustic soda and hydrofluoric acid.
  *Hygroscopicity: Aggregates into fine particles after absorbing moisture in the air.
  *Chemical stability: Stable to other chemicals, does not decompose or burn at high temperatures.
  *Electrical insulation: Has high electrical insulation performance.
  *Porosity: Has a large internal surface area and a large dispersion force.
  *Physical and chemical properties and microstructure: Due to different manufacturing methods, the physical and chemical properties and microstructure of white carbon black may vary.

White carbon black has a wide range of uses, and different products can be used in different fields. The following are some common uses:

  *Synthetic rubber reinforcing agent: White carbon black can be used as a reinforcing agent for synthetic rubber, and its reinforcing performance is second only to carbon black. After ultra-fine processing and proper surface treatment, the reinforcing properties of silica can even be better than carbon black. It is particularly suitable for the manufacture of white, colored and light-colored rubber products.
  *Thickener or thickener: Silica can be used as a thickener or thickener, such as a blending agent for synthetic oils and insulating paints, a matting agent for paints, a thixotropic agent for electronic component encapsulation materials, a precipitant for fluorescent powder during fluorescent screen coating, a filler for color printing plates, and a mold release agent for casting.
  *Improving material properties: Adding silica to resin can improve the moisture resistance and insulation properties of the resin. Filling it into plastic products can increase the anti-slip and oil resistance. Filling it in silicone resin can make high-temperature resistant plastics.
  *Papermaking industry: Silica can be used as a filler and surface ingredient for paper, and is used in the papermaking industry.
  *Pesticides and insecticides: Silica can be used as a carrier or dispersant for pesticides and insecticides.
  *Other applications: Silica can also be used as an anti-caking agent, liquid adsorbent and lubricant, etc.

All in all, silica has many different applications and uses, including the rubber industry, chemicals, materials science, paper industry, pesticides and insecticides, etc.

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