Twinwall & Multiwall polycarbonate sheets is a kind of reinforced plate which increases the number of layers or diagonal support on the basis of ordinary two-layer hollow plate, so as to improve the overall bearing capacity of the plate. The greenhouse polycarbonate roof panels can support greater purlin spacing, minimize the use of profiles, so that the designer can have more room to play in the selection of materials. At the same time, the cavity formed by the multi-layer structure increases the thermal insulation performance, and the U value is lower than that of the ordinary plate with the same thickness. The increased diagonal support of the plate also plays a positive role in the lateral stability of the multiwall polycarbonate sheet, making the overall structure of the glass polycarbonate plate more reasonable.

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