My M.S.N. is chen-yong-liang at hotmail dot comFilm: Black, Black anti-slip, Brown and Brown anti-slipGrade: A/ACore: poplar/birch/combiGlue: W.B.P. MR MelamineSize: 2440 *1220mm 2500*1250mm Thickness: 9,12,15,18, 21, 24, 27mmThickness tolerance: ±0.5mmCertification(s): ISO9001 Application: it is highly used in the level moulding board shearing force wall bridge dam,tunnel,and girder moulding board etc.Property:1.Moisture≤10% 2.Density:over0.75/cm33.Abrasion ≤0.1g/100r4.Warp≤1%5.Thickness tolerance±0.5mm6.Elasticity≥5000Mpa/≥7848Mpa7.Static bend degree≥24Mpa/≥75.8Mpa8.Expansion rate of thickness ≤8%