China Optical Brightener Bbu C. I. 220 CAS 16470-24-9, Find details about China Bbu, Plastic Additives from Optical Brightener Bbu C. I. 220 CAS 16470-24-9
Item | Indices |
Appearance | Light yellow uniform powder |
Fluorescent strenghth (equivalent to the standard sample) | 100±3 |
Color Shade | Similar to the standard sample |
Whiteness (the deviation with the standard sample) | ≥ -3 |
Moisture content | ≤ 5.0% |
Content of water-insoluble impurities | ≤ 0.5% |
Fineness (residual content passed through 250μm-pore sieve) | ≤ 10% |