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8mm Twin-Wall Polycarbonate

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Other lengths or colors available by special order. Call for more info.

Twin-Wall polycarbonate provides clarity, durability and strength.  Because the panels have an insulating air-filled space between the inner and outer wall, energy efficiency is increased.   8 mm is the industry-standard thickness of most double layer polycarbonate products in the commercial greenhouse market.  This is because it offers the best combination of strength, rigidity, good insulation value and cost, as well as a wide variety of attractively priced glazing systems.  
OBC will cut shorter lengths from full lengths.
Structure Type: 8mm Double Wall
Overall width: 71.25" wide in clear
Thickness: 5/16"
Light Transmission : for stock standard clear=81%, (other colors that may be available - call to quote price and lead time : bronze=42%, Opal "ice"=32%, white/black/white=100% black out)
Coefficient of Linear Thermal Expansion: 3.6 x 10-5 in/in/F
UV Transmission: .5%
Minimum bending radius: 4.59'
U-value BTU/hr.-ft. 2 F: .58
R-factor: 1.72

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