Carbon black index analysis FOUR
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What is the intensity of tinting?
The tinting strength is based on the reflectance measurement of the slurry composed of carbon black and zinc oxide in the oil. It is used to measure the ability of carbon black to reduce the amount of reflected light. Higher tinting strength can be obtained by reducing the particle size of the primary particles.
What is surface-oxidized carbon black?
Some grades of carbon black have been post-treated (chemically oxidized) to increase the chemical adsorption of oxygen on their surface. In some end applications, this improves the dispersibility and dispersion stability of carbon black, and reduces the viscosity of the product.
Why is bulk density important?
The value of bulk density represents the area of space occupied by different levels of carbon black.
