... Waterproof and heat insulation 4. Fast and convenient installa Aluminum honeycomb sandwich panel Specification:External steel panelThickness: 0.4mm ... /HDP/PUDF, Stainless steel with brushed/mirrored. Insulation materialType: Aluminum honeycomb, Aperture: 20-35mm Panel Width (mm): 980, ... , PU, Rock wool, Paper honeycomb, Aluminum honeycomb etc.They are widely used in clean room as non-force bearing ...