Medical mask and N95 mask are composed of spunbond layer, meltblown layer and spunbond layer, where in both spunbond layer and meltblown layer are composed of polypropylene PP material. As the core material in the mask, meltblown cloth has a
Medical mask and N95 mask are composed of spunbond layer, meltblown layer and spunbond layer, where in both spunbond layer and meltblown layer are composed of polypropylene PP material. As the core material in the mask, meltblown cloth has a
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