... *9881988*9881988*988 Thickness4mm4mm4mm Material tempered glass, transmittance is 89% tempered glass, transmittance is 89% tempered glass, transmittance is 89%Profile Material aluminum ... electrophoretic, champagneInsulation and back Insulation materialGlass wool specially covered with PU foam,thickness 30mmGlass wool specially covered with PU foam,thickness 40mmGlass ...