... 2. High strength 3. Waterproof and heat insulation Paper Honeycomb Sandwich PanelSpecification:External steel panelThickness: 0.4mm ~ 1.2 ... HDP/PUDF, Stainless steel with brushed/mirrored.Insulation materialType:Paper Honeycomb PanelWidth (mm): 980, 1180(the effective width)Thickness ( ... usually use EPS, XPS, PU, Rock wool, Paper honeycomb, Aluminum honeycomb etc.They are widely used in clean room as ...