The following is about Adult Mask related, I hope to help you better understand Adult Mask.
Civil sanitary masks are used to filter the air entering the nose and mouth. Civil sanitary masks prevent harmful gases, odors and water droplets from entering and leaving the wearer's nose and nose. Civil hygiene masks are mainly divided into cotton masks, non-woven masks, polymer masks, activated carbon powder filter masks, and activated carbon fiber felt masks.
Medical masks are mostly made of one or more layers of non-woven fabrics. The main production process of medical masks includes meltblown, spunbond, hot air or acupuncture, etc., which is equivalent to resisting liquids, filtering particulates and bacteria, and is a medical protective textile. Medical masks consist of a mask and a tightening strap. Medical masks are divided into inner layer, middle layer and outer layer. The inner layer is ordinary sanitary gauze or non-woven fabric. Non-woven fabric or ultra-thin polypropylene meltblown material layer.
KN95 is a Chinese standard mask. KN95 masks are a type of masks with particle filtering efficiency in China.
FFP2 masks are one of the European mask standards EN149: 2001. FFP2 masks are used to adsorb harmful aerosols, including dust, fume, mist droplets, toxic gases and toxic vapors, through the filter material and block them from being blocked Inhale.
The following is about White Mask related, I hope to help you better understand White Mask.