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Meltblown non-woven fabric

November 08 , 2021

Meltblown non-woven fabric is the core material of masks. Meltblown cloth mainly uses polypropylene as the main raw material, and the fiber diameter can reach 1 to 5 microns. There are many voids, fluffy structure, good wrinkle resistance, and 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 filterability, 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 wiping cloths and other fields.

Scope of application
(1) Medical and sanitary cloths: surgical gowns, protective clothing, disinfection wraps, masks, diapers, women's sanitary napkins, etc.;
(2) Home decoration fabrics: wall coverings, tablecloths, bed sheets, bedspreads, etc.;
(3) Clothing for clothing: lining, adhesive lining, flakes, shaped cotton, various synthetic leather base fabrics, etc.;
(4) Industrial cloth: filter material, insulating material, cement packaging bag, geotextile, covering cloth, etc.;
(5) Agricultural cloth: crop protection cloth, seedling raising cloth, irrigation cloth, thermal insulation curtain, etc.;
(6) Others: space cotton, thermal insulation and sound insulation materials, linoleum felt, cigarette filters, tea bags in bags, etc.
The melt-blown cloth filter material is randomly distributed and bonded together by polypropylene microfibers. The appearance is white, smooth and soft. The fiber fineness of the material is 0.5-1.0μm. The random distribution of fibers provides more thermal bonding between fibers. Therefore, the meltblown gas filter material has a larger specific surface area and a higher porosity (≥75%). After high-pressure electret filtration efficiency, the product has the characteristics of low resistance, high efficiency, and high dust holding capacity.

Main Specifications
Weight: 18g-500g
Width: generally 160cm and 180cm (also according to customer needs)
Melt-blown cloth is to use high-speed hot air flow to draw the thin stream of polymer melt extruded from the spinneret hole of the die, thereby forming ultra-fine fibers and collecting them on the condensing screen curtain or drum, and at the same time, they are self-bonded to become Meltblown nonwovens.
The production process of meltblown cloth is mainly as follows:
1. Melt Preparation
2. Filter
3. Metering
4. The melt is extruded from the spinneret hole
5. Melt trickle drafting and cooling
6. Network

Product Usage
Meltblown cloth is mainly made of polypropylene, and the fiber diameter can reach 0.5-10 microns. These 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 air filtration. , is a relatively good mask material. In large, medium and small medical institutions, in disaster-stricken areas affected by earthquakes and floods, in the season of high incidence of SARS, bird flu and H1N1 virus, meltblown filter paper plays an irreplaceable role with its strong filtration performance. effect.
Meltblown cloth is mainly used for:
1. Filter material
2. Medical and health materials
3. Environmental protection materials
4. Clothing material
5. Battery separator material
6. Wipe material

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