... ultramarine blueParticular description:Name:ultramarine blue / PB 29 / pigment blue 29 alias:Sodium Alumino SulphosilicateChemical properties:Formula: Na6Al4Si6S4O20 Molecular ... 1.00.45%6Sieve Residue(325 mesh) % ≤0.10.07%7Oil Absorption %25-45338Organic Tinting MaterialNone 9PH Value8 - 108.5Usage ... :Ultramarine Blue, PB(Pigment Blue) 29, is an inorganic pigments color. It is a ...