According to the query, the public comment network shows that.

1, cost difference: stock solution coloring refers to directly adding colorant to the material for coloring, and the cost is low. Color masterbatch is to make the colorant into particles and then add it to the material for coloring. The production and use cost of color masterbatch is high, which needs the support of special production equipment.

2. Difference of color requirements: For some products with low color requirements, such as gray tape and waste paper boxes, the original solution can be used for coloring. For products with higher color requirements and more stable quality requirements, such as pigments, cosmetics, food packaging and so on. , you need to use color masterbatch for coloring.