Oak Engineered Flooring Oak, Surface treatment:UV lacquer Certificates: CE, ISO9001, ISO14001, CARB Oak Engineered FlooringSurface treatment:UV lacquerCertificates: CE, ISO9001, ISO14001, CARBSubstrate :poplarSpecies ... and other dimensions as per customers' requirementsThickness of the Top Layer:0.6mm, 1mm, 2mm, 3mm, 4mm, 6mmTotal thickness:10mm,12mm ...