Breathability or barrier properties areessential for medical and health products. The gas permeability or barrier property of the SMS product(China SMS Non Woven Wholesale) mainly depends on the gas permeability or hydrostatic pressure of the M layer product, and thus the main factor affecting the gas permeability or the barrier property is the fineness, uniformity and quantification of the M layer fiber of the M layer product.

The S layer mainly protects and strengthens the M layer, so that the M layer is prevented from being worn under the actionof external force, and the structure is deformed or destroyed. Of course, thebetter the uniformity of the S layer, the smaller the fineness, the more obvious the protection of the M layer, and the better the effect on the hydrostatic pressure of the SMS product(Hygiene Non Woven Materials Manufacturer).

In the SMS composite product(PP SMS Nonwovens Company), the larger the specific gravity of the M layer, the larger the quantitative amount or the more the number of layers, the better the hydrostatic pressure or blocking performance. The same proportion or quantitative M layer, the finer the fineness,the more uniform The S layer with a good or quantitative amount has a better hydrostatic pressure or barrier property.