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The difference between PFE99 and BFE99 materials

The difference between PFE99 and BFE99 materials

(Summary description)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

(Summary description)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.

Information

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.

PFE99 material

The user has to press the wire on the PFE99 mask to the bridge of the nose, and then spread the entire PFE99 mask along the bridge of the nose to be effective. A rectangular surgical mask can be worn by a child because it has no fixed shape and can fit snugly against a child's face if tied well.

The PFE99 cup-shaped mask must ensure that the mask is dense enough after it is attached to the face, and the exhaled air will not leak out to be effective. When wearing a PFE99 cup mask, you can cover the mask with both hands and try to blow air to check if there is air leaking from the edge of the mask. If the PFE99 mask is not tightly covered, it needs to be repositioned before wearing it again.

Extended information for PFE99:

N series: protection against non-oily suspended particles without time limit.

R series: The protection time limit of non-oily suspended particles and sweat oily suspended particles is eight hours.

P series: protection of non-oily suspended particles and sweat oily suspended particles without time limit.

When the carrier of some particles is oily, and these substances attached to the electrostatic non-woven fabric will reduce the electrical properties and allow fine dust to penetrate, so the filter material for preventing oil-containing aerosols should undergo special electrostatic treatment to prevent fine dust. purpose of dust. Therefore, each series is divided into 3 levels: PFE95%, PFE99%, PFE99.97% (namely referred to as PFE95, PFE99, PFE100), so there are 9 types of filter media.
Through the above introduction and analysis of PFE99, hope it helps you.

Keyword:

How

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.
2023-03-23
Reasons

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.
2023-03-16
The

The features of BFE 99 masks

BFE in BFE 99 masks means bacterial filtration effect, which refers to the material's resistance to bacterial penetration. The reported results of BFE 99 masks are shown in percentage data, corresponding to the ability of the material to resist bacterial penetration. The higher the value, the better its filtration performance. 
2023-03-09
Chemical

Chemical absorbent pads manufacturers take you to understand absorbent pads

Chemical absorbent pads manufacturers tell you that as we all know, with the rapid development of the modern industrial chain, absorbent pads have been widely used in fresh vegetables and fruits. In the next paragraph of this article, chemical absorbent pads manufacturers will show you how the small absorbent pads are well known to everyone.
2023-03-02

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