PVAc wood glue is often divided into D2, D3 and D4 water resistance classes
PVAc wood glue
PVAC is the well-known white wood glue that dries colorless. This water-based glue dries by relinquishing water to its surroundings, after which a hard connection is created. Of such dispersion adhesives must have a good pressure. PVAc (polyvinyl acetate) wood glue is not suitable for filling gaps. Industry is often used for gluing uneven surfaces PUR hotmelts used and often at home 1K PU adhesives.