... panels for the surface layer to glass cotton, wool, polystyrene and other light, fire, flame- ... construction, can be flexibly used in any construction. Quality Characteristics: 1, light weight, 10-14 kg / ... thermal insulation, thermal conductivity: 0.035W/mk. 3, high intensity, can be used for building envelope, bearing structure, ... based on measuredTracy sunTel: +86-15966396819 Rock wool sandwich panel