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羊毛被和羽绒被哪种更好
更新时间: 2020-10-08 00:00:00  

羊毛被和羽绒被各有千秋:

羊毛被由于卷曲的羊毛中,含有大量的空气;而空气的传热率非常低,能有效的防止外部冷空气的进入与内部热空气的散发,因而能达到很高的保温性。同时,羊毛具有极佳的吸、放湿性,能不断吸收自人体散发的湿气与汗液,并将之排放到空气中,以使被褥保持干爽,舒适。它的光泽柔和,且富有弹性不易沾污,常年使用仍能保持舒适性。羽绒被的填充物主要是羽绒,羽绒是长在鹅、鸭的腹部,成芦花朵状的绒毛,成片状的叫羽毛。由于羽绒是一种动物性蛋白质纤维,比棉花保温性高,且羽绒球状纤维上密布千万个三角形的细小气孔,能随气温变化而收缩膨胀,产生调温功能,可吸收人体散发流动的热气,隔绝外界冷空气的入侵。

关键词: 羊毛 羽绒被

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