wood core, cement broad, Mero Germany, Concorde Cementitious Floor System and china we deal any inquiring please contact us HPL (High Pressure Laminate) Raised Access Flooring (HPL Raised Flooring for Data/Computer/Office/Other) Most equipment & computer rooms have a surface covering known as High Pressure Laminate(HPL). HPL has become the standard in equipment & computer room design because of its ease of maintenance and its unique ability to dissipate static electricity. HPL (High Pressure Laminate) Raised Access Flooring (HPL Raised Flooring for Data/Computer/Office/Other) Raised floor tile size 600X600mm, with HPL (High Pressure Laminate) cover, made of highly compressed chipboard. The bottom side is covered with a galvanized steel sheet for reinforcement the load bearing capacity. The edges are sealed with a special edge trim. (Fire resistance: 45 minutes on 1000 degree centigrade), raised floor tiles are static control. please click this whatsapp link