What is hpl Decorative High Pressure Laminates (HPL), as defined by the European and international standards for HPL, EN 438 and ISO 4586, are high-density panels (≥1.35g/cm3), finished and ready for use, which have exceptional mechanical, physical strength and chemical resistance, are easy to work and simple to maintain. Arpa HPL panels are made of several layers of cellulose fibre material impregnated with thermosetting resins and then simultaneously subjected to both pressure (>7MPa)) and heat (140 / 150°C) in special presses, for a fixed time, which varies depending on the type of laminate. This process creates a stable, inert, homogeneous, nonporous and high density material, with physical and chemical properties that are totally different from those of its original ingredients. In addition, given its very low permeability, HPL acts as a barrier against the possible emission of formaldehyde and other volatile substances (VOCs) from any timber substrates it is applied to. Compos...
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