Twinwall Polycarbonate Sheet
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Twinwall polycarbonate sheetPolygal who is the inventor of all multiwall Polycarbonate sheets. Polygal Sheets ranging from 6 mm Standard to latest panel systems. Polygal is the only company who developed the special selective coating by the method of triple co extrusion , i.e. its an integral part of Polycarbonate sheets and preservers its properties throughout the service life of the sheets. Such coating makes it possible to control the quantity of Light penetration an enclosed space by absorbing and reflecting most part of solar radiations.