Construction adhesives and adhesives Construction adhesives made from polyvinyl alcohol include putty adhesives, paint adhesive base materials, etc., and their scale accounts for more than 40% of the total. At present, the most widely used are PVA 1799, PVA 2099, two medium-viscosity adhesives, and PVA 2499, PVA 2699, two high-viscosity adhesives. In addition to construction adhesives, polyvinyl alcohol can also be used to make adhesives for paper, wood, textiles, office glues and high-grade paint bases, mainly used in paper, wood, textiles, office glues and high-grade paint bases The technical content of these glues is relatively high and requires a high level of compounding.