Mar 2, 2020
What is a KF94 mask? KF94 is one of the grades given to Korean health masks. Korean masks must be certified by the Korea Food & Drug Administration (KFDA) and will be rated KF80 / 94/99 depending on their performance.
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What is a KF94 mask? KF94 is one of the grades given to Korean health masks. Korean masks must be certified by the Korea Food & Drug Administration (KFDA) and will be rated KF80 / 94/99 depending on their performance.
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什么是KF94面罩？
KF94是韩国卫生口罩的等级之一。韩国口罩必须获得韩国食品药品监督管理局（KFDA）的认证，视其性能而定，其等级为KF80 / 94/99。数字量化了面罩的过滤性能。
KF80/94/99编号越高，阻塞率越高。 例如，KF80阻挡了0.6μm的平均粒径的80％以上，而KF94阻挡了0.4μm的平均粒径的94％以上。 请注意，佩戴KF等级较高的口罩可能会呼吸困难。 通常，购买KF认证的口罩的价格在1.00美元至3.00美元之间。 KF认证仅保证口罩过滤器，因此，即使过滤器性能没有问题，某些价格太便宜的产品也不会使人脸部不适。 某些面罩的购买价格超过2.00美元，还配备了可调节带子，可与面部保持良好的接触。
经KF认证的口罩基本上设计成主要在多尘的地方佩戴。因此，请确保根据您的情况和目的选择合适的产品。另一方面，请务必记住，过滤器可能会因化学物质/油类而降解。重要的是要注意，如果使用不当，K…
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