What is the actual difference in performance between Spun Polyester, Printed Acrylic and Solution Dyed Fabrics, from the standpoint of fading due to exposure to the sun’s ultraviolet rays?
UV (Ultraviolet) Resistance is rated using a Fadeometer which is a device that tests the permanence of a fabric’s color (fading) when exposed to sunlight. Typically, Spun Polyester and Printed Acrylic Fabrics have a Rating of up to about 500 Hours, while Solution Dyed Acrylics such as Sunbrella® generally have a minimum Rating of 1500 Hours. The newest Sunbrella® Acrylic Fabrics include a 5-year limited warranty against loss of color or strength due to exposure to sunlight or mildew.
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