... 4) Thickness: 1.4mm ~ 5mm High Pressure Laminate FilmHigh Pressure Laminate(HPL),as one kind of building materials, is applied to ... by phenol resin. Because of its high density, HPL has many excellent advantages, especially can resist humidity, heat ... are mainly four types of HPL: decorative laminate sheets, postforming, compact laminate, chemical resist compact.These HPL products are widely used for ...