... light transmission reaches 12%-82% depending upon colour and thickness. 2, Thermal InsulationProprietary hollow from contributes to reduce the energy consumption ... Sheet Thickness(mm)1.2mm,1.5mm,2.0mm,3.0mm,4.0mm,4.5mm 6.0mm,8.0mm,10.0mm,12.0mmLength(mm)Thickness≤4.5mm ... and agricultural green houses, and indoor green houses for fishing.2.Skylights, cellar,arch roofs and commercial green houses.3. ...