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Optical Brightener APC(C.I.220) | C.I.NO.:220 | CAS NO.:16470-24-9 | |
Molecular Formula C40H40N12O16S4Na4 | Shade Blue light | ||
Appearance Amber clear liquid | Ionicity Anionic | ||
Density(20℃±0.1℃) 1.1~1.2g/cm3 | Viscosity(20℃) ≤50mpas | ||
Application | 1.Whitening of surface sizing,coating of paper sheets,paper,also whitening of cotton,viscose; 2.Good compatibility with resin finishing agent. | ||
Property | 1. Common affinity to cellulosic fiber; 2. Stable to oxide,hypochlorite,reducing bleach; 3. Resistant to alkali,hard water,but medium in acid. | ||


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