What are the precautions when using coating carbon black?
May 20, 2022
What should be paid attention to when using coating carbon black? Carbon black can be obtained by thermal cracking of gaseous or liquid hydrocarbons at about 1200 degrees, the main component is carbon, and also contains a small amount of volatiles from raw materials. Due to the different production materials and production methods of carbon black, carbon black can be divided into different types.
It was determined by X-ray analysis that the particles of carbon black are small crystals, and its structure is similar to that of graphite crystals, but no graphite crystals are arranged neatly. Generally, the particle size of carbon black can be measured by an electron microscope at 20,000 times, and it can also be converted by measuring the specific surface area of carbon black by iodine adsorption. The average particle diameter of carbon black for coating is 0.2-0.3 microns, the pH value is 2.5-4.5, and the oil absorption is about 200.






