Sliding HPL cutting board in QUERCIA oak color Elleci Karisma / Unico / Ego / Tekno / Easy / Master / Living / Sky collection (Except Sky Round 435) for sinks. What does HPL (high pressure laminates) mean? its scratch resistance, wear resistance, and its surface are completely waterproof, which is why this material is one of the main raw materials for kitchen worktops and kitchen cutting boards. Heat resistance: withstands 180 degrees C for a short time! (According to EN 438 standard.)