Everyone knows that carbon black is used as a pigment for black paint, but many friends don't know how much carbon black is added in paint, and how much carbon black should be added in paint. This article will introduce paint carbon black to you. The amount of black added, that is, what is the proportion of carbon black pigment added in the paint?
The amount of carbon black added in black paint is more than 6%, and the proportion of carbon black added in some black paints reaches 15%. Of course, this also depends on what kind of paint is produced and what kind of carbon black product is selected. For general black carbon black, if you choose ordinary pigment carbon black, you need to add more, but if you choose high-pigment carbon black, you need to add much less. Some paint carbon black can be added as low as 5%. This is also the reason why many friends cannot get an accurate amount of carbon black added to the paint.
When choosing pigment carbon black for paint, you must pay attention to the two indicators of blackness and tinting strength of pigment carbon black. These two carbon black indicators greatly affect the addition ratio of paint carbon black. Blackness is the main index of carbon black for paints. When carbon black is colored with black paint, the blackness of carbon black will be given priority; followed by the coloring strength of carbon black, this characteristic depends on the ratio of carbon black to pigment and the amount of carbon black. The nature of Heimoto Province, when the proportioning ratio is constant, the tinting ability of a certain carbon black is its tinting strength, which is called tinting power in the paint industry.