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Twin-wall polycarbonate sheet, a standard version of multiwall polycarbonate sheet, is self-supporting without requiring as many grazing bars as floating glass, for the weight of polycarbonate sheet accounts for only a quarter of glass. Light weight and hollow structure together contributes to cost saving and high light transmission.
4mm twin wall polycarbonate sheet in blue 6mm twin-wall polycarbonate sheet in grey and clear
Blue twin-wall polycarbonate sheet Clear and grey twin-wall polycarbonate sheet
Features:
High light transmission
Light transmission of 4mm clear twin-wall polycarbonate reaches 89%. Twin wall polycarbonate sheets are often used in greenhouse not only for sufficient sunlight, but also blocking out harmful UV radiation.
High impact strength
Impact strength of polycarbonate sheet is 250 times as much as the size of tempered glass. This superiority makes it an optimum material for protecting greenhouse from hail and stones.
Saving energy
Twin-wall construction optimizes thermal insulation. In hot summer or cold winter, the ambient temperature below polycarbonate sheets will not intensively change and keep a relative stable state.
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