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The “Top 100 Printing and Packaging Enterprises in China 2023 Ranking List” released by Printing Manager magazine marks the 21st year since the establishment of the top 100 list. Among the top 100 enterprises, there are 17 state-owned and state-controlled enterprises, 22 private enterprises, 22 foreign-funded enterprises and 39 joint-stock enterprises. There are 18 top 100 enterprises in the Pearl River Delta region, 24 in the Yangtze River Delta region and 5 in the Beijing-Tianjin-Hebei region. There are 47 top 100 enterprises in the three major printing industrial belts. Among the top 100 enterprises, there are 8 engaged in publication printing, 67 in packaging printing, 2 in other printing, and 23 in mixed printing business.
How much glue is needed to bond the density board? The surface of MDF is dense and smooth, with unclear fiber directionhot melt adhesive pelletsThe difficulty of bonding is higher than that of ordinary cardboard. The amount of glue applied is a key parameter – if there is less glue, it will not stick, and […]
Hot melt adhesive is a thermoplastic material – it “softens when heated and hardens when cooled” is a physical norm, not a quality issue. So for the same model, the back of the book may become sticky at 35 ° C in the summer warehouse, and it may crack and peel at -5 ° C […]
For binding books and periodicalsHot melt adhesive granulesWhat model? Book and magazine adhesive packaging is not a universal use of particles. It is important to choose the appropriate model based on the paper type, thickness, and machine type. Below is a list of common models. List of adhesive models for books and periodicals General EVA […]
Choose hot melt adhesive granules and focus on 7 key parameters: softening point, melt viscosity, opening time, curing time, initial adhesion, temperature resistance range, color and appearance. This article compiles the meanings, common ranges, and selection points of each parameter into a table, which can be directly compared and used by procurement and technology. List […]
