China Optical Brightener Ob for Paint, Coating, Plastic, Fiber, Find details about China Optical Brightener Ob, Optical Brightener Agent Ob from Optical Brightener Ob for Paint, Coating, Plastic, Fiber
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. |