China Optical Brightener Ob-1 Ob1 Brightening Agent Professional Supplier, Find details about China Optical Brightener Ob-1, Optical Brightener from Optical Brightener Ob-1 Ob1 Brightening Agent Professional Supplier
Property | Typical Value |
Appearance | Yellow greenish powder |
Specific Gravity @ 20ºC/20ºC | 1.39 |
Melting Point | 359-361ºC |
Assay | 98 wt % min |
Particle Size | Pass 200 mes |