China Rubber Auxiliary Agent Optical Brightener Ob for Plastic Products, Find details about China Optical Brightener Ob, Fluorescent Brightener Ob from Rubber Auxiliary Agent Optical Brightener Ob for Plastic Products
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. |