Short Description:Preperse Yellow 3GP is the pigment concentration of Pigment Yellow 155. It is a greenish yellow pigment with excellent light fastness in the coloring of polyolefin. It can be used for the coloring of general polyolefin plastics. And it has excellent light fastness. But it’s not suitable for the PVC-u coloring because of its migration. This product is suitable for coloring polypropylene fibers, also recommended to replace benzidine yellows, including PY14, PY17 etc.