Short Description:Preperse Violet E4B is the pigment preparation of Pigment Violet 19. It is a bluish red pigment with high tinting strength. It has good light and weather fastness and can meet the requirements of long-term exposed outdoors. The heat resistance of this product is excellent and not relative to pigment concentration in a wide range. It has excellent comprehensive fastness and it’s suitable for coloring general polyolefin plastics and general engineering plastics.