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    实验报告显示 三成UV伞不如普通黑伞

    发布时间:2015/8/17 16:23:32

    摘要:

      防紫外线UV伞几乎成了今夏女士出行必不可少的随身物件,但昨天中消协公布的37个牌号遮阳伞的比较试验报告表明:35%的UV伞还不如普通黑尼龙伞防晒效果好。

      中消协工作人员近期在北京市场购买产自全国24个厂家、零售价从37.5元到268元不等的37把遮阳伞,伞面有银胶布、金胶布、珍珠胶、尼龙粘胶混纺布和普通黑尼龙面料,委托国家质检总局中国计量科学研究院重点对其抗紫外线性能做了比较试验。试验表明,37个样本中,有24种可阻挡90%以上的紫外线,其中包括普通黑色尼龙伞,而其余35%的样品伞紫外线阻挡率不如普通黑尼龙伞。

      据了解,遮阳伞的抗紫外线效果不是价格定位的主要因素,影响价格的主要因素为伞骨材料、伞面来源及伞的款式等,消费者购买遮阳伞时,切不可因价定质。目前,我国对遮阳伞贴“抗紫外线”标牌没有规定,根据欧洲的标准草案,只有织物的抗紫外指数大于30才可以称为抗紫外线的功能性产品。如果对照这一规定,本次试验的37个样品中只有17把伞可称为抗紫外线遮阳伞,占样本量的46%。

      中消协提示消费者,银胶伞面的防护效果很好,但银胶层易老化发黑,影响美观。在选择伞面时,面料织物明显稀疏的伞抗紫外线性能一般较差。在购买遮阳伞时,伞面宜大不宜小;同等条件下,颜色越深的织物,抗紫外线的性能越好。

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