China Optical Brightening Agent Ob-1 Ob1 Fluorescent Brightener 393 / Fba 393 for Plastic/ Plastic Whitening Agent, Find details about China Optical Brightener Ob-1, Optical Brightener from Optical Brightening Agent Ob-1 Ob1 Fluorescent Brightener 393 / Fba 393 for Plastic/ Plastic Whitening Agent
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 |