Face mask fabric meltblow machine

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PP Meltblown Non-woven Fabric is mainly made of polypropylene, and the fiber diameter can reach 1 ~ 5 microns. There are many voids, fluffy structure, and good anti-wrinkle ability. 

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PP Meltblown Non-woven Fabric Production Line

PP Meltblown Non-woven Fabric is mainly made of polypropylene, and the fiber diameter can reach 1 ~ 5 microns. There are many voids, fluffy structure, and good anti-wrinkle ability. These ultrafine 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 . Can be used in the fields of air, liquid filter materials, mask materials, thermal insulation materials, oil-absorbing materials etc.


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Melt blown non-woven fabric is a kind of fast developing non-woven fabric production, which is known as the shortest one-step polymer production process abroad. Its products have many obvious advantages, such as high filtration efficiency, low resistance, softness and network self bonding and adhesion. Therefore, it is widely used in various countries. Its main uses are medium efficiency and sub efficiency filtration, including air filtration, acid breaking liquid filtration, food hygiene filtration, industrial dust mask production, etc. in addition, it can also be used as medical and health products, industrial precision wipes, thermal materials Oil absorbing material, battery separator, imitation leather base cloth, etc. In many aspects, its performance is better than that of traditional textile products. With the continuous development of post-processing technology, the application field of melt blown non-woven fabric will be more extensive.

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With years of R & D experience, Suzhou Jinwei Extrusion Machinery Manufacturing Co., Ltd. can provide customers with melt blown production lines of various widths from 200 mm to 3200 mm. The product quality and energy consumption are close to the advanced level of similar foreign products.

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The technical characteristics of m-melt jet nonwovens production line of gold weft machine:

1. The special clothes rack and gas pressure type spinning die with independent intellectual property rights are adopted, and the melt distribution is uniform.
2. The air pressure of the air nozzle is stable, the air flow on both sides is symmetrical, and the air flow in the width direction is even.
3. The width of air gap is adjusted conveniently.
4. The special design of the heating device for hot gas flow has good heating efficiency and excellent heat exchange efficiency, and low energy consumption.

5. The receiving distance can be adjusted, and the receiving form (flat network receiving and roller receiving) can be easily replaced.
6. The fiber size and cloth surface are uniform.
7. The results show that the melt spray cloth has good filtration effect by the treatment of the standing polarization.

Technical parameters of m-melt jet nonwovens production line of gold weft machine:
1. Jw1600 (door width 1600mm) production line, technical parameters
The design maximum speed of 100 m / min is 600 tons / year with a weight range of 10-80g / m2
2. Jw2400 (door width 2400mm) production line, technical parameters
The design maximum speed of 100 m / min is 1000 tons / year
3. Jw3200 (door width 3200mm) production line, technical parameters
The design maximum speed of 100 m / min is 1500 tons / year
4. Jw4200 (door width 4200mm) production line, technical parameters
The design maximum speed of 100 m / min is 2000 tons / min

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Five common application fields of melt blown nonwovens:
1. Application in the field of air purification: used for air purifier, as a sub efficient and efficient air filter, and for coarse and medium efficiency air filtration with large flow rate. It has the advantages of low resistance, high strength, excellent acid and alkali resistance, corrosion resistance, stable efficiency, long service life and low price. There is no lint phenomenon in the purified gas.

2. Application in the field of medical and health: the dust-proof mouth made of melt blown cloth has small respiratory resistance and is not stuffy. The dust-proof efficiency is as high as 99%. It is widely used in hospitals, food processing, mines and other workplaces that need dust and bacteria prevention. The anti-inflammatory and analgesic film made of products after special treatment has good air permeability, non-toxic side effects and easy to use. SMS products compounded with spunbonded cloth are widely used in manufacturing For surgical clothing and other health supplies.

3. Liquid filter material and battery separator: polypropylene meltblown cloth is used to filter acidic and alkaline liquid, oil, oil, etc. it has very good performance, and has been regarded as a good separator material by the battery industry at home and abroad, and has been widely used, which not only reduces the cost of the battery, simplifies the process, but also greatly reduces the weight and volume of the battery.

4. Oil absorbing materials and industrial wipes: all kinds of oil absorbing materials made of polypropylene meltblown cloth can absorb 14-15 times of their own weight. They are widely used in environmental protection engineering and oil-water separation engineering. In addition, they can be used as clean materials for oil and dust in industrial production. These applications give full play to the characteristics of polypropylene itself and the adsorption of melt blown ultrafine fibers.

5. Thermal insulation material: the average diameter of melt blown superfine fiber is between 0.5-5 m, the specific surface area is large, a large number of micro pores are formed in the cloth, and the porosity is high. This structure has a large amount of air stored in it, which can effectively prevent heat loss and has excellent thermal insulation property. It is widely used in the production of clothing and various thermal insulation materials. Such as leather jacket, ski jacket, cold proof clothing, cotton village cloth, etc., with light weight, warmth, not moisture absorption, good air permeability, not mildew and other advantages.

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N95 / medical / civil mask material m melt blown nonwovens
The raw material of the mask is polypropylene (PP for short). The medical surgical mask is generally multi-layer structure, which is generally referred to as SMS structure.

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S in the mask layer represents spunbonded fiber, with a diameter of about 20 microns (nm). The two layers of spunbonded fiber mainly support the whole non-woven structure, and have no obvious effect on the barrier performance. The most important inside the mask is the barrier layer or melt blown layer (m). The fiber diameter of the melt blown layer is relatively thin, about 2 microns (m), so it is only one tenth of the diameter of the spunbond layer, which is very important to prevent bacteria and blood from entering the spunbond layer.

Compare the shape of the fiber and hair in the spinning adhesive layer and the spray layer M. as shown below, the diameter of the hair is one third, which is close to the fiber in the spinning adhesive layer and 1 / 30 of the diameter of the hair. The spray layer is close to the diameter of the M fiber. Of course, finer fibers are being developed to ensure better antibacterial barrier performance

As mentioned above, the thinner the m-layer is, the more it can prevent the entry of bacteria and other small particles. For example, N95 means that it can block 95% of small particles (0.3 μ m) under normal conditions. According to the national standard of medical respirator GB / T 19083, under the condition of gas flow rate of 85L / min. N95 is actually a 5-layer mask made of polypropylene non-woven smmms, which can filter 95% of the fine particles.

From the material point of view, the requirements of spunbond layer s and melt blown layer m are as follows:

M layer: melt blown layer, material requirement: high fluidity.

S layer: spunbond layer, material requirements: high strength

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