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The difference of these 3 groups can be observed from the ability to mix with resin through mechanical. Causes of color, but it will not be a chemical bond with the resin nanan. From the above, these pigments may also refer to forms the basis of particles start (primary particles) or by the majority will be in the form of larger particles started most pigments found often as organics, which has fragmented hard particle size ranges from very small, from 0.5.Micron (0.0005 mm) up to 50 micron (0.05 mm) while the physical phenomenon, and the binding force within molecular agglomerates that can make it a strong adhesion to doewan, which is the same day, there is a very strong, so we know why we are not using the color pigments in the cause in the resin because generally the production of plastic or rubber that is used in these machines are not strong enough to break the binding force of the aggregates, the final product, a spot of color (pigments spot) occurs.
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