COMPOSITE ARTICLES PROVIDING RETARDANCY AND NOISE REDUCTION
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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资源简介：
A thermoplastic composite article comprising a porous core layer and an open cell skin disposed on a first surface of the core layer is described. The composite article comprises a noise reduction coefficient of at least (0.5) as tested by ASTM C423-17 and a flame spread index of less than (25) and a smoke development index of less than (150) as tested by ASTM E84 dated 2009. A thermoplastic composite article comprising a porous core layer and an open cell skin disposed on a first surface of the core layer is described. The composite article comprises a noise reduction coefficient of at least (0.5) as tested by ASTM C423-17 and a flame spread index of less than (25) and a smoke development index of less than (150) as tested by ASTM E84 dated 2009.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
