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四川聚能滤材有限公司
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Melt-blown fabric News
03-23

How the Melt-blown fabric is constructed

The following paragraph of this article will introduce the related production process of Melt-blown fabric. The production process of Melt-blown fabric is mainly divided into three steps: melt extrusion, melt-blown process, and electret treatment. Specifically, Melt-blown fabric uses high-speed hot air flow to draw the extruded polymer melt through the spinneret holes of the die nozzle. From this, microfibers are formed and collected on a condensate screen or drum, and at the same time self-bond to become a Melt-blown fabric.
How the Melt-blown fabric is constructed
03-16

Reasons why Melt-blown fabric becomes brittle after production

1. If the aspect ratio of the spinneret of Melt-blown fabric is small, the holes are thick and short. After the polymer is sprayed, the fibers are thicker, the gaps are larger, and the water absorption is stronger for a long time , so the Melt-blown fabric is neither soft nor brittle.
Reasons why Melt-blown fabric becomes brittle after production
05-16

Causes of brittleness during the production of wholesale Melt-blown fabric

1. Wholesale Melt-blown fabric is brittle during production because the screw of general small melt-blown equipment is relatively short and has no mixing function. The melting of wholesale Melt-blown fabric basically relies on heating, so the production temperature is relatively high , and the degradation of the material leads to the brittleness of the fabric.
Causes of brittleness during the production of wholesale Melt-blown fabric
05-09

Introduction of Melt-blown fabric

Melt-blown fabric is the core material of the mask. Melt-blown fabric mainly uses polypropylene as the main raw material, and the fiber diameter can reach 1 to 5 microns. There are many voids, the structure is fluffy, and the anti- wrinkle ability is good.
Introduction of Melt-blown fabric
04-15

The difference between PFE99 and BFE99 materials

BFE99 is polypropylene as raw material. PFE99 uses high melting index polypropylene raw material. Mask BFE99 test, biofiltration efficiency test on masks. Mask PFE99 test, perform particle filtration efficiency test. The challenge test is usually done with latex particles with ultrafine particle size such as 1.0μm, 0.5μm, 0.3μm, 0.1μm.
The difference between PFE99 and BFE99 materials
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Filter Material Adsorption Products Filter Adsorption Medical Accessories Medical Liquid Absorbent Pad Oil Absorbent Cotton Oil Absorbent Cord Graphene Respirator Mask Material PM2.5

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