不。3m所有一次性防护口罩的过滤材料都是聚丙烯材质,表面的保护层是聚丙烯和聚酯的复合材料。
No. All 3m disposable respirators have filter media made from polypropylene and coverings made from a combination of polypropylene and polyester.
这些呼吸防护口罩设计为一次性使用。不要重复使用呼吸防护口罩。
These respirators are designed for single use. Do not re-use the respirator.
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