1, For printing bar code. 2,Brightness:83-90%, Gloss:28-38%,Ink ... smoothness and flatness. 4. Accurate measure Product white bar code paper Ink absorption 18-30% Classification Single with coating gloss 28 ... wood pulp Package 600-900kg/roll a packing unit, kraft paper outside,ppc strench film,inside Joint ≤1/roll Brinthness 83 ... offer a free sample,if you are willing to pay for the international express.