High Pressure Laminate (HPL) material is produced by saturating multiple layers of kraft paper with phenolic resin. A layer of printed décor paper is placed on top of the kraft paper before pressing. The resulting sandwich is fused together under heat and pressure (more than 1,000 PSI). Because phenolic and melamine resins are thermoset plastics, the curing process transforms the resin into plastic by a cross linking process that converts the paper sheets into a single, rigid laminated sheet. Thermosetting creates strong, irreversible bonds that contribute to HPL’s durability. Because HPL panels consist of thermosetting resins, homogeneously reinforced with up to 70% wood based fibers, a majority of the used raw materials (i.e. recycled materials) are sustainable.
HPL panels are perfect for use in innovative and functional ventilated façade systems. Used on its own or as a highlight in combination with other materials, HPL panels can determine the look and underline the qualities of a building.
- Weather resistant. Color stable: HPL panels perform exceptionally well outdoors, consistently ranking at high classifications for UV-resistance and color stability. No coating or protective cover needed. Closed, pore-free surfaces limit dirt accumulation, keeping the surface smooth and easy to clean.
- Solid. Sturdy: Consistent and highly dense throughout, HPL panels hold bolts, screws and other fixings solidly. With good compressive and tensile strength as well as excellent pullout and impact resistance, these panels are easily machined and workable.