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At present, the main data of melt blown cloth refers to the filtration rate of melt blown cloth, which is mainly divided into 80% particulate matter filtration rate (the following industrial melt blown cloth, the purpose of this melt blown cloth is mainly used for industrial purposes, such as filtration, warmth, isolation, etc. For industrial purposes, this material can also be used to produce dus...
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The protective effect of non-woven protective masks is based on the effect of adsorbing fine dust (especially dust less than 5 microns). Because dust of this size can directly enter the alveoli, it has the greatest impact on human health. General gauze masks, the dust blocking principle is mechanical filtration, that is, when dust collides with gauze, it passes through layers of barriers to block ...
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Melt-blown non woven fabric is the core filter material of masks, which is mainly determined by the filtering mechanism of the melt-blown filter material, which is mainly divided into mechanical barrier and electrostatic adsorption. 1. Mechanical barrier Mechanical barrier has the following situations: a. Droplets with a particle size greater than 5um in the air can be blocked by the filter materi...
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1. Quality judgment of melt blown cloth According to the company's product standards, the quality of the melt blown cloth is judged in terms of physical indicators and appearance quality. 2. Physical index Physical indicators include square meter mass deviation rate, square meter mass coefficient of variation (CV value), transverse and longitudinal breaking strength, transverse and longitudinal br...
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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. These ultra-fine fibers with unique capillary structure increase the number and surface area offibers per unit area, so that the meltblown cloth has good filtration, shielding, heat insulation and oil absorption. . It can be used ...
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SMS water repellent non-woven fabric is a composite non-woven fabric, which is a composite product of spunbond and meltblown. It has the advantages of high strength, good filtering performance, non-stickiness and non-toxic. Mainly used in medical and sanitary labor protection products, such as surgical gowns, surgical caps, protective clothing, medical packaging, etc. performance: It is non-toxic,...
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Two-layer masks are very inferior. Medical masks must have three layers. Both sides of medical masks are usually spunbonded non-woven fabrics, and the middle is meltblown fabric. A good meltblown cloth is heavy enough. It looks white rather than transparent. It looks a bit like paper. The thinner the meltblown cloth, the worse the protective effect. The melt blown layer will melt when it encounter...
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Many melt-blown cloth factories may have encountered this problem: the melt-blown cloth becomes brittle and hard overnight after production. At this time, should we use POE to toughen or use a softener to solve it? The production process of melt blown cloth factory price may become brittle: 1. The melting index of PP1500 meltblown material is higher or lower. The melting index is too high, and the...
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The two masks are not the same, and the two masks look the same. The inner and outer layers are non-woven fabrics, but the meltblown filter layer in the middle is the fundamental difference. From the perspective of the filter layer, medical surgical masks are melt blown filter layers, and disposable masks are non woven fabrics. The meltblown filter layer is obviously more dense, and the material i...
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Due to the impact of the epidemic, the demand for melt blown cloth remains high. However, so far, there have been a large number of unqualified melt blown cloths on the market. In order to facilitate enterprises to understand, we briefly summarize several major melt blown cloth testing items: 1. Filtering power The air extracted from the melt blown cloth detected by the particulate detector is equ...
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We know that melt blown cloth is the core material on protective equipment such as masks and plays a major filtering role. In order to achieve effective filtration, the melt blown cloth needs electrostatic electret treatment, in which case droplets etc. will be adsorbed on the melt blown cloth. So if there is static electricity on the meltblown cloth, will it exist for a long time, or is it said t...
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The water electret is an electret process for making the meltblown cloth electrostatically charged during the production of the meltblown cloth. The process can be that the meltblown cloth is saturated with static electricity and the electrostatic electret time is long. The reason why melt blown cloth has higher filtration efficiency is because it adds electrostatic electret technology in the prod...
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