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The effects of carbon black for ink
Source: | Author:Bella Yip WeChat 8615820201653 | Published time: 2020-05-05 | 3000 Views | Share:

  

1, Carbon black is the main pigment in black ink

Carbon black properties directly affect the quality of black ink and printing aesthetic.

Carbon black is the product of incomplete combustion or cracking of hydrocarbons.
Its main component is carbon, which is composed of quasicrystals similar to graphite,
similar to spherical colloidal particles or particles fused together.
The carbon black powder we see on a daily basis is composed of a number of aggregates bound together or
entangled together by physical forces.
Therefore, carbon black properties are still affecting ink blackness and color factors.

2. The structure of blackness

The color of carbon black is not only related to the size and hue of particles,
but also to the surface structure of particles.

The smaller the particle size of carbon black, the higher the blackness.

The larger the particle size, the lower the blackness.

And affect other performance, such as oil absorption value, dispersion, etc.

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