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    织带、丝带或缎带的材质区别。一般使用燃烧法鉴别纤维简单易行,但混纺产品不易判断。需要从经纬方向(即直和横的方向)各抽取一根纱线分别燃烧鉴。将两种不知类别织带的经纬纱线拆出数根,分别用打火机燃烧,燃?#23637;?#31243;中观察一些物理现象,以确定经纬纱线的原料。燃烧时要分别对火焰、熔化情况?#21543;?#21457;出的气味、燃烧后的灰烬的状况进行观察。


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