... Easy to work, fix and decorat 3.Non-Formadehyde,non-toxic Hubei Qingyang Green Building Material Co.,Ltd Yi ... Sound insulation2.Easy to work, fix and decorat3.Non-Formadehyde4. Partition Material,Good surface finish MgO board5 ... fibers(sawdust)Brand: YideColor: White,Black,RedThickness: 3mm - 18mm(3mm,6mm,8mm,9mm,10mm,12mm,15mm,18mm)Edges: square ... drop at the bottomPASS New non-toxic sandwich board