Hualei Textile shares with you the technical characteristics of high-efficiency meltblown cloth:
1. A high-efficiency meltblown cloth, comprising a base layer (1), characterized in that the base layer (1) is thermally bonded by polypropylene ultra-fine fibers, and the surface of the base layer (1) is provided with a plurality of chip blocking grooves (2 ), The base layer (1) is provided with a ventilation channel (3) provided through the base layer (1), the ventilation channel (3) is in communication with the chip prevention groove (2), and the ventilation channel (3) is continuously bent twice in the middle , Set in an "S" shape.
2. The high-efficiency filter meltblown cloth according to claim 1, wherein the fineness of the polypropylene ultrafine fibers is 0.5 to 1 μm.
3. The high-efficiency filtering meltblown cloth according to claim 2, wherein the cross-sectional shape of the chip-blocking grooves (2) is semicircular, and the distance between each chip-blocking grooves (2) is the same.
4. The high-efficiency filter meltblown cloth according to claim 3, characterized in that the positions of the chip inhibitor grooves (2) on the upper surface (11) and the lower surface (12) of the base layer (1) are staggered.
5. The high-efficiency filtering meltblown cloth according to claim 4, characterized in that the diameter of the ventilation channel (3) is 1/5 of the diameter of the chip prevention groove (2).
6. A filtering mask, characterized by comprising an upper surface layer (42), a lower surface layer (43) made of the high-efficiency filter meltblown cloth according to any one of claims 1 to 5, and filling the upper surface layer ( The filling layer (4) between 42) and the lower layer (43). The filling layer (4) is made of filter cotton.
7. The filtering mask according to claim 6, wherein the thickness of the filtering mask is between 20 and 50 g / m2.
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