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Masks have a certain filtering effect on the air entering the lungs. To achieve a good filtering effect, the key is the core filter layer! Melt blown cloth is the most important filter material that must be used in disposable protective masks. There are a wide variety of masks on the market, and there are also various grades of meltblown. Consumers can easily buy poor quality meltblown without pay...
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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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Elastic non woven fabric is a brand-new non woven product, which breaks the situation of air-impermeable, over-tight, and low-stretchability of elastic film materials. Elastic non-woven fabrics are widely used in some life care products. So, what are the characteristics and advantages of elastic non woven fabrics compared with ordinary non woven fabrics? Currently, there are various types of elast...
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As various parts of the country began to implement plastic bans, non-woven bags as a substitute for plastic bags have become more and more important in certain fields, and this type of product is becoming more and more on the market. After the quantity increases, some quality problems will inevitably occur. It is not uncommon to have shoddy non-woven bags. Such bags have a very short service life,...
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As for non-woven materials, its application is relatively more specific, basically focusing on the personal protection and filtration industry, which can be distinguished by the thickness of the product: ①Thin type: Because of its good waterproof and breathable properties, it is especially suitable for the sanitary market, such as sanitary napkins, sanitary pads, baby diapers, adult incontinence d...
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Polypropylene non-woven fabric is a kind of non-woven fabric that is harmless to the human body, and has simple process flow and large output. Therefore, it is widely used in various fields such as sanitary materials. So what can polypropylene non-woven fabrics be used for? 1. Polypropylene non-woven fabric can be widely used in shopping bags, gift bags, handbags, material bags, carpets and base f...
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In recent years, non-woven fabric manufacturers have sprung up like bamboo shoots after a rain, and almost all regions, counties and cities across the country have built non-woven fabric factories. Although the market and policies are advantageous, the rush of manufacturers will inevitably bring about increasingly severe market competition, and various survival methods such as price wars and raw m...
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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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Medical non-woven fabric is a fabric that does not need to be spun and woven. It is mainly bonded together directly by physical methods, so when you glue it, you will find that you cannot draw the thread from the non-woven fabric. It breaks through the traditional textile principle. Compared with traditional pure cotton woven textiles, medical non-woven fabrics are moisture-proof, breathable, flex...
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