What are the quality requirements of commonly used pvc special color masterbatches?

What are the quality requirements of commonly used pvc special color masterbatches?

After adding various auxiliary materials to PVC resin, products with different hardness and application in various fields can be obtained. Therefore, PVC masterbatches have different requirements for different purposes, but all of them must meet the following product quality requirements.

(1) The appearance of the color masterbatch is uniform and shiny.

(2) The tinting strength is 95%~105%.

(3) The migration resistance is not less than grade 4.

(4) Good decomposability and good fluidity.

(5) It does not affect or basically reduce the properties of the original PVC base material. PVC Granulator