PB P5 Hydro X is a structural particleboard with high density and sanded surface suitable for coating. This particleboard presents a high mechanical resistance and shows a good behaviour in humid environments, with minimal expected expansion and swelling and it presents low formaldehyde emission (class E01). Regarding reaction to fire, and according to EN 13986, this particleboard, above 9mm, is classified as D-s2, d0 (Euroclass definition by EN 13501-1).