Refute a rumour! The middle layer, or is it a real mask?

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Whether the mask can be ignited is not the standard to distinguish the authenticity of the mask.

related national standards only stipulate the flammability of masks. For example, the national standard of medical protective masks Technical requirements for Medical masks GB 19083-2010 stipulates that the materials used should not be flammable. The continuous ignition time should not exceed 5 seconds, and there is no requirement of "non-flammability". Whether the mask can be ignited is not the standard to distinguish the authenticity of the mask.

according to the mask production process, after the raw materials such as meltblown cloth and nonwovens arrive, they are first cut into small rolls, put on the production line, pressed into masks by high-frequency welding, and then after finishing and inspection, manual bagging, sterilization for 16 hours, and volatile sterilization gas in the analysis library for two weeks, the masks that meet the quality standards will enter the market through logistics and sales links.

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