dispersion adhesives based on polyvinyl acetate (PVAc), different hot melt adhesives (PUR and EVA), and glues based on emulsion polymer isocyanate (EPI) are also [...] 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 for [...] frame wrapping with MICROLAN, since adhesives based on ethylene-vinyl acetate (EVA) and polyolefin (PO) were not suitable for this material,” explains Dr. Zdzisław
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