China Optical Brightener Ob for Oil Based Coating, Paints, Find details about China Optical Brightener Ob, Fluorescent Whitening Agent Ob from Optical Brightener Ob for Oil Based Coating, Paints
TEST ITEMS | SPECIFICATION |
APPEARANCE | LIGHT YELLOW OR MILK WHITE POWDER |
SHADE | LIGHT YELLOWISH |
METLING POINT | 201-202 °C |
PURITY | 99% min |
FINENESS | 300 mesh min |
SOLUBILITY | hardly soluble in water,but soluble in paraffin, mineral oils and ordinary organic solvents. |