white woodfree paper
Offset printing paper for offset printing (flat printing) of a paper, is divided into single-sided two-sided offset paper, offset paper is mainly used for single-sided printing of a single poster, packaging, etc.; double offset printing paper is mainly used for drawing pictures, pictures. Offset paper to close, less flexibility, and strong resistance to water, can effectively prevent the paper when the multi-color overprinting deformation, dislocation, nap, off powder problems. Give a good color print quality to maintain purity.
Called offset paper. Usually Web, there are flat paper. Quantification is 55 ~ 150g / m2. Paper-white, smooth, no impurities; has a good surface strength and breaking length (usually not less than 3000m), ink absorption and good form stability, printing does not curl, lint. Offset printing technology as a more complex, higher requirements for printing paper. Offset printing paper for general use bleached chemical wood pulp, bamboo pulp, rag pulp and straw pulp copy the system, the need to appropriate more fillers and mortar, in the long-net paper machine copy system and through the calendar.