This paper shares some of the characteristics, such as the moisture resistance or inherent strength of the paper-coated fiber, but does not require a suitable filter for printing or lacquering with bleached fibers for whitening for printing, etc. These papers They can be made of 100% recycled fibers, but they should be in a health rating because they may in some cases cause a pleasant smell in contact with food products, the paper used in the middle layers of the five cartons The layers and the seven layers are of the same type, which in these cases only have a binding and bulking role, Am Ten paper mills produce this paper for corrugation purposes, this type of paper is produced as a single layer, and is also produced in a double layer for higher strength.