What is melt spray cloth?
Melt spraying cloth is a kind of polypropylene with high melt index as material, by a lot of criss-cross fiber with random direction laminated film, fiber zhidao diameter range of 0.5~10 micron, its fiber diameter is about one thirtieth of the hair.
An ordinary surgical mask needs about 1g fusible spraying cloth +2g spunbonded cloth.
An N95 mask, about 3-4g fusible spraying cloth +4g spunbonded cloth composition.