No. All 3M disposable respirators have filter media made from polypropylene and coverings typically made from a combination of polypropylene, polyester.

• 答：不。所有3M生产的随弃式呼吸防护口罩都不含玻璃纤维。口罩的过滤层为聚丙烯材质，口罩表面的材料含聚丙烯和聚酯。