![]() ![]() "Carbon black has been utilized for decades in rugged outdoor environments" precisely because it can help materials withstand sunlight, Chase said. To get the recommended surface density, an 8-ft. The high-density polyethylene plastic balls cost about 60 cents each. The Roosevelt County SWCD has become a dealer for the shade balls as a way to keep costs down. 654 similar products are also available from global exporters. They blow over the top of tanks with shade balls. The 4-inch-diameter plastic balls block sunlight from penetrating the 175-acre surface of the reservoir, preventing chemical reactions that can cause algae blooms and other problems. Buy low price Hollow Plastic Ball Shade Balls Plastic Float Balls Manufacturer by Pingxiang Zhongxing Packing Co., Ltd., a leading supplier from China. Some 96 million plastic "shade balls" have been delployed on the Los Angeles Reservoir in the Sylmar area of Los Angeles to protect water quality. Our smart shade balls are the perfect modern solution to cover huge open surfaces & tanks such as Waste water Biomass Slurry lagoon Dangerous materials Heated or cooled open surface tanks Airports’ ponds (camouflage) For more information contact us at .uk. Shade balls are made from high-density polyethylene (HDPE) plastic, the production of which requires crude oil, natural gas and electricity 8, 9. A lighter-colored ball may allow sunlight to pass through into the water, rendering it ineffective, said Sydney Chase, who owns shade ball manufacturer XavierC, one of the suppliers involved in the project. That prevents sunlight from penetrating the plastic and getting to either the water inside the balls or beneath them. ![]() The additional water inside the shade balls keeps them in the water in high winds, and provides an ambient temperature barrio like insulation, to help keep the water cooler and reduce evaporation. ![]() Pure black carbon gives the balls their color after being added to the plastic to absorb UV rays. Commonly called Shade Balls, the dark UV infused HDPE, High-Density Polyethylene spheres promote high water quality and reduce evaporation. The balls cost 36 cents each to make and are now floating on the surface of four reservoirs in the Los Angeles area, including 96 million on the Los Angeles Reservoir alone. The idea was developed by a former biologist with the Los Angeles Department of Water and Power, who was inspired by the use of similar balls to keep birds from landing in ponds along airplane runways. The plan is expected to save the city $250 million, compared with other available plans, according to a press release. ![]()
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