In industry, glue began to be massively used with the advent of the first factories. Then adhesives of natural origin were in demand. In the war years, to meet the needs of the army, synthetic adhesives appeared, with which metal, leather, wood, rubber and other materials were bonded.
Over the years, polyurethane (PU) foam has made inroads into many areas of human activities. It is used for making cushioned furniture, mattresses, stuffed toys, and as a material for heat and sound insulation, for packing, and even for medical purposes to alleviate loads on injured limbs.
A big number of diverse materials for interior and exterior decoration of premises appear on the shelves of building centers every year, meanwhile, an assortment of construction materials for repair work has been rapidly increasing.