1.composite sandwich panel 2.Surface smoothness and easy cleaning. 3.Non-flammable Why ... ) 0.12 x 0.12mmh) 0.08 x 0.08mm2) Panel thickness: 2mm, 3mm, 4mm, 5mm, 3) Dimensions:a) Width: 1220mm ... ) Materials for industrial application, car and ship bodies fireproof and lower cost composite sandwich panel