In-depth understanding of melt blown cloth

In-depth understanding of melt blown cloth.

At present, the world is actively preventing and controlling the epidemic. The most basic protective equipment for residents is masks. Since viruses require high standards for masks, manufacturers must use meltblown cloth in antivirus masks. Now, what kind of filter material is melt blown cloth?

Melt blown cloth is the core material of the mask. The melt blown cloth is mainly made of polypropylene, and the fiber diameter can reach 1 to 5 microns. There are many voids, fluffy structure and good anti-wrinkle ability. The ultra-fine fibers with unique capillary structure increase the number and surface area of fibers per unit area, so that the meltblown cloth has good filtering, shielding, heat insulation and oil absorption. It can be used in air, liquid filter materials, isolation materials, absorbing materials, mask materials, thermal insulation materials, oil absorbing materials and wipe cloths.

How to distinguish the authenticity of melt blown cloth:

It is easy to identify the inferior products of two layers. A useful medical mask must have three layers, with spunbonded non-woven fabric on both sides, and a meltblown fabric of sufficient weight in the middle. The picture shows the melt blown cloth, and the filtering effect is related to its weight (grams per square meter). This range is 18-500g, and the filtering effect is good for 40-50g or more. Do not buy masks without meltblown cloth! Identify true and false meltblown cloth masks. "A good meltblown cloth looks white rather than transparent because it weighs enough. It looks obviously different from the spunbond non-woven fabrics on both sides</h2>, straightforward. In other words, it looks like paper. If it looks different but obviously thin, it is a meltblown cloth with a small weight. The thinner the meltblown cloth, the worse the effect.

melt blown fabrics

Simple identification method:

First, as the name suggests, the meltblown layer will melt when encountering fire, but will not burn. Paper will burn in fire.

Second, the melt blown layer has static electricity. If you tear the melt blown layer into strips, you will obviously feel the electrostatic adsorption effect, and you can also adsorb strips of the melt blown layer on the stainless steel.

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