Optical Brightener APC/ Optical brightener 220 liquid(Tetra sulfonic for paper) CAS NO: 16470-24-9Main Chemical Composition: Stilbene bistriazine derivative
Specification: Appearance: brown liquid
Viscosity: ≤60 mpas
pH value: 8.5~10.5
Property: 1.Convenient in application, diluted with water perfectly, suitable for
2.Good acid stability
3.Great performance in size press and pigment coating mixtures
Application: Mainly be used in size press, pigment coating mixtures.