Ultramarine Blue (C.I.PB 29,acid blue 29) ... :The better strict control of chromatic coordinatesThe better strict control of particle distributionThe better scatterVery ... blue powder, which can eliminate the yellow shade of white matter, alkali, heat, light, sub-angle ... on.SPECIFICATION:Appearance: Blue powderPurity(%): 99minHeat Resistance (°C): 280-300Volatile content(%): 0.1 maxOil Absorption: 30 ...