Shape-set silk floss of a compound-layered structure is made by nonwoven technology mainly with waste silk from filatures and three-dimensionally crimpy fibres.
定形丝棉采用非织造布工艺，
缫丝厂的下脚废丝为主要原料与三
卷曲纤
复合层
构。
Shape-set silk floss of a compound-layered structure is made by nonwoven technology mainly with waste silk from filatures and three-dimensionally crimpy fibres.
定形丝棉采用非织造布工艺，缫丝厂的下脚废丝为主要原料与三卷曲纤复合层构。
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