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70.6 billion masks exported from China to worldwide

There are 70.6 billion masks exported from China in the world. Do you know how many tons of meltblown cloth are used?

China novel coronavirus pneumonia has been released recently. China's action against the new crown pneumonia epidemic is published in the white paper. From the data compiled by the central authorities, China exported 70 billion 600 million masks to 200 countries or regions in the world in the 3-5 months, which has made a great contribution to the global epidemic.

Kn95 mask machine has 175 wide and 260 wide. We have made a group of data comparison between the two kinds of equipment, as shown in the following figure:

As shown in the figure above, take 50g melt blown non-woven fabric as an example:

◆ if 175 wide mask machine is used, theoretically, a kn95 mask needs about 2.152g of melt blown cloth, then a ton of melt blown non-woven cloth can theoretically produce about 464576 masks.

◆ if 260 wide (double row) mask machine is used, theoretically, the consumption of melt blown cloth for a kn95 mask is about 1.6g, then one ton of melt blown non-woven cloth can produce 625391 masks in theory!

It can be seen that the material used for 240 mm * 120 mm mask made by 260 wide (double row) mask equipment is relatively less, and more masks can be produced.

https://www.chinamedicaltube.com/products/ppe/kn95-face-mask/

A mask only needs to use a few grams of meltblown, while a new meltblown production line usually takes a year. " Melt blown non-woven fabric is called the "heart" of medical surgical mask and N95 mask in the industry. It is the filter layer in the middle of mask, with good filtration, shielding, heat insulation and oil absorption, and is an important raw material for mask production. The common medical mask is mainly composed of three layers of non-woven fabric, the inner layer is ordinary non-woven fabric, and the outer layer is non-woven fabric with waterproof treatment, which is mainly used to isolate the liquid ejected by patients. The middle filter layer is polypropylene melt spray fabric with electret treatment, which can filter out the virus attached to the body fluid

 

 

 

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