optical brightener for paper 2PL-C (C.I. 113)

Optical Brightening Agent 2PL-C (C.I. 113) Chemical name Stilbene bistriazine derivative Structural formula Specification Appearance:brown liquidViscosity:≤200mpasPH value:8.5 10.5Density:1.05 1.2g/cm3Ionic characteranionic Treating process: 1.Addition pulp: usual dosage : 0.05 1.5% based on the weight of bone dry cellulose2.Addition via size press: combined with starch, CMC, PVA and other products designed for surface sizing. Usual dosage: 0.5 3g/l For actual application, the process should be adjusted according to correspondent sample-test. Property: 1.Convenient in application, easily soluble, diluted with water. 2.Good resistance to alkali, perborate Use: Mainly be used in size press, pigment coating mixtures. Package: 200kg or 1000kg plastic drum or for the special demand.