Optical brightener APC

Appearance:Amber transparent liquid
Fluorescent intensity:35±1(equal   to    E370)
Performance characteristics:
Bluish tone;Commonaffinityto cellulosic fiber;Stable to oxide,hypochlorite,reducing bleach;Resistant to alkali,hard water,but medium in acid.
Application:
Whitening of surface sizing,coating of paper sheets,paper;Whitening of cotton, viscose;
Good compatibility with resin finishing agent.
Recommended dosage:
Paper-making:0.05-1.2%(absolute dry pulp)
Surface sizing with starch,CMC,PVA:0.5-10g/L;
Coating with PVA,CMC,starch:0.1-1.4%(compared to weight of coating material)
Package:N.W.230kg plastic drum or N.W.1100kg IBC tank.