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Since fluoropolymers reduce the surface tension of substrates and provide "waterproofing" effects, they are used to maintain performance of speaker cones.
AsahiGuard E-SERIES ™
AsahiGuard E-SERIES ™ can provide waterproofing effects, so it is utilized to maintain the performance of speaker cones made from paper for use in automotive. AsahiGuard E-SERIES ™ can inhibit the absorption of moisture by speaker cones and other components, to prevent speaker functions from degrading.
AsahiGuard E-SERIES ™ products are a new generation of water and oil repellent agents that meet your environmental goals. AsahiGuard E-SERIES ™ was developed by AGC to provide repellency against oil- and water-based stains in many different applications including textiles, paper, nonwoven and leather.