dispersion adhesives based on polyvinyl acetate (PVAc), different hot melt adhesives (PUR and EVA), and glues based on emulsion polymer isocyanate (EPI) are also [...] frame wrapping with MICROLAN, since adhesives based on ethylene-vinyl acetate (EVA) and polyolefin (PO) were not suitable for this material,” explains Dr. Zdzisław [...] requirements for the bonding and coating of the material. PORTA had never used a PUR hot melt adhesive before, however, and did not yet have a suitable melting system
https://www.jowat.com/pl-PL/szczegoly-newsroomu/a-partnership-that-opens-doors/