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double-tank dustproof two-piece double-tank protective mask with glasses

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Wang Ran protective articles 12yr.

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  • Description

防尘口罩是防止或减少空气中的粉尘进入人体呼吸器官,从而保护生命安全的个体保护用品;

  主要用于含有低浓度有害气体和蒸汽的作业环境。虑盒内仅装吸附剂或吸着剂。有的滤毒盒还装有过滤层,可同时防气溶胶。主要由活性炭布制成,或者用抗水抗油织物为外层,玻璃纤维过滤材料为内层,浸活性炭的聚氨酯泡沫塑料为底层,可在遭受毒气或灰尘突然袭击时提供暂时性防护

 

防尘口罩的选择原则:

         第一:口罩的阻尘效率要高。一个口罩的阻尘效率高低是以其对微细粉尘,尤其是对5 μm 以下的呼吸性粉尘的阻尘效率为标准的。一般的纱布口罩,其阻尘原理是机械式过滤,也就是当粉尘冲撞到纱布时,经过一层层的阻隔,将一些大颗粒粉尘阻隔在纱布中。但是,微细粉尘尤其是小于5 μm 的粉尘,就会从纱布的网眼中穿过去,进入呼吸系统。现在市场上有一些防尘口罩出售,其滤料由充上永久静电的纤维组成,那些小于5 μm 的呼吸性粉尘在穿过这种滤料的过程中,就会被静电吸引而吸附在滤料上,真正起到阻尘作用。

     第二:口罩与脸形的密合程度要好。当口罩与人脸不密合时,空气中的粉尘就会从口罩四周的缝隙处进入呼吸道。所以,人们应选用适合自己脸形的防尘口罩并正确佩带防尘口罩。

     第三:佩戴要舒适,包括呼吸阻力要小,重量要轻,佩戴卫生,保养方便,如佩戴拱形防尘口罩。

 

装箱数据:

               包装:插卡 50 PCS

               毛净重:14.5/12.5KG

              箱规:67×53×60CM

 

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Update time:20250918095819


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