... panel: 1.The insulation sandwich panel is usually adopting groove and tongue plug-in style. It has the advantages of ... even more, high in strength, etc. It is especially applicable to suspended ceiling and partition systems.2.Thickness (mm): 75mm, 100mm, 120mm, 150mm ... production, the length of the plate can be determined according to the customers' requirement4.Width (mm): 980mm, 1180mm,5.Density: ...