How to choose Phenolic HPL Table Tops from the right manufacturer? The High-Pressure Laminate (HPL) is a material that lasts for long, aesthetically impressive, and has multiple properties that make it outstanding. HPL materials have other features, including being fireproof, scratch resistance, and chemical retardant. The HPL table tops comprise of phenolic resin-impregnated sheets that are compressed and held together by a strong adhesive.