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Characteristics of polycarbonate sunshade canopy
Polycarbonate sunshades have the following characteristics:
Good light transmittance: The light transmittance of polycarbonate sunshades is usually around 80% -90%, which can provide sufficient natural lighting and effectively filter some ultraviolet rays, making indoor or shaded areas soft and comfortable, and reducing glare.
Strong impact resistance: Polycarbonate has high strength, with impact resistance 300 times that of ordinary glass and 20-30 times that of acrylic sheet. It can withstand the impact of harsh weather conditions such as hail and strong winds, is not easily broken or damaged, and has high safety.
Good weather resistance: It has good weather resistance and is not easily affected by natural factors such as ultraviolet radiation, temperature changes, humidity, etc. to age. It can be used for a long time in the temperature range of -40 ℃ to+120 ℃, maintaining stable physical and mechanical properties, reducing discoloration, brittleness, cracking and other problems caused by aging, and has a long service life.
Lightweight: Polycarbonate has a low density and is lightweight, making it easy to transport and install. It also reduces the load-bearing requirements on the installation foundation structure, making it suitable for various building structures.
Beautiful appearance: Polycarbonate sunshades can be made in various shapes and colors according to design requirements, with good decorative properties, able to coordinate with the surrounding environment, and enhance the overall beauty of the building.
Energy saving and environmental protection: It can effectively block direct sunlight, lower indoor temperature, reduce the use of air conditioning and other refrigeration equipment, thereby saving energy. Meanwhile, polycarbonate material itself has certain thermal insulation properties, further improving the energy-saving effect of sunshades.
Waterproof and moisture-proof: It does not absorb water and has good waterproof performance. After sealing treatment during installation, it can effectively prevent rainwater infiltration and avoid affecting performance and service life due to moisture.
Processability: Polycarbonate material is easy to process and shape, and can be made into sunshades of different sizes and shapes through processes such as hot bending, cutting, and welding, meeting various personalized design needs.
Characteristics | Unit | Data | | | | |||
Thickness | mm | 4 | 6 | 8 | 10 | |||
Weight | kg/㎡ | 0.9 | 1.3 | 1.5 | 1.7 | |||
Minimum radius for cold bending arches | mm | 700 | 1050 | 1400 | 1750 | |||
Standard width | mm | 2100 | 2100 | 2100 | 2100 | |||
Standard length | mm | No Limited | | | | |||
Light transmission | | | | | | |||
Clear | % | 82 | 81 | 80 | 80 | |||
Grass green | % | 56 | 50 | 44 | 42 | |||
Lake blue | % | 55 | 49 | 45 | 43 | |||
Bronze | % | 43 | 36 | 33 | 29 | |||
White | % | 42 | 35 | 33 | 29 | |||
Blue | % | 35 | 25 | 20 | 16 | |||
Heat transfer coefficient K value | W/(㎡.k) | 3.6 | 3.5 | 3.2 | 3.1 | |||
Weighted sound reduction index | db | 12 | 15 | 15 | 19 | |||
Drop hammer impact | | Pass | | | | |||
Coefficient of thermal expansion | mm/m.℃ | 0.065 | | | | |||
Flame retardant level | | B1 | | | | |||
Service temperature | ℃ | minus 40~plus 120 | | | |