TBC-B 15325 SP (PB 15.3) is a greenish-shade beta form of Phthalocyanine Blue. This special grade has high tinting strength, excellent gloss, and transparency, along with lower viscosity for waterborne systems in paints and inks. The product works very well in plastic applications as well making it a Universal grade. Its strong tinting ability means you can use less pigment without sacrificing gloss, transparency, or flow.