Graphene functional filter cloth developed by the Sungni Materials Processing Factory in Rangnang District, Pyongyang is attracting public interest and favour.
Made by using the properties of graphene with relatively high biocompatibility, this product is highly effective in blocking the travelling of viruses, germs and other pathogenic microorganisms.
An application of the cloth for the purpose of a higher capacity of a sewage treatment facility proved that the graphene functional filter cloth is quite effective in improving the quality of water in rivers and lakes.
The factory turns out new-type graphene functional masks which is well-attached to the person’s face and are convenient to breathe through. And it is also helpful in removing foul breath and checking the travelling of fine dust and coal gas.
The graphene functional filter cloth, a high-tech one, was registered as a patent product of the DPRK.
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