Oil absorption value of pigment carbon black

The specific surface area and oil absorption value of pigment carbon black can roughly determine the application range of carbon black, especially the influence of carbon black on material properties, which also largely depends on the specific surface area and oil absorption value of carbon black.

It can be seen that when you use pigment carbon black, you want high blackness and strong coloring. You can choose carbon black with high specific surface area, but its dispersion difficulty will increase accordingly, and the impact on the performance of the material will also increase. Adding The amount of carbon black needs to be reduced; when you want to reduce the cost and choose a higher amount of carbon black, then the carbon black type with low oil absorption value and moderate specific surface area is a better choice.