China Excellent Brightening Ability Fluorescent Whitening Agent Ob Optical Brightener Ob, Find details about China Optical Brightener Ob, Fluorescent Whitening Agent Ob from Excellent Brightening Ability Fluorescent Whitening Agent Ob Optical Brightener Ob
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. |