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The disposable face mask is made of more than three layers of non-woven fabrics of 28 grams; the bridge of the nose is made of environmentally friendly all-plastic strips, does not contain any metal, and has a breathable strap, which is comfortable and especially suitable for electronic factories and daily use. Disposable masks (medical surgical masks) can prevent respiratory infections to a certain extent, but cannot prevent haze. When purchasing, you should choose a mask with the words "medical surgical mask" clearly marked on the outer packaging. Disposable three-layer masks are made of two layers of non-woven fabrics and filter paper; disposable three-layer masks are made of two layers of fiber non-woven fabrics professionally used for medical and health care, and a layer is added in the middle to filter and prevent bacteria up to 99%. % of the above filter spray cloth is made by ultrasonic welding, the nose bridge is made of environmentally friendly plastic strips, does not contain any metal, and is equipped with breathable air, which is comfortable. The filtering effect of B.F.E is as high as 99%, which is especially suitable for electronic factories; the disposable activated carbon mask is made of 28 grams of non-woven fabric on the surface, and the first layer in the middle is made of antibacterial filter paper to filter and prevent bacteria up to 99%, which plays an antibacterial effect. , to prevent virus damage; the second layer in the middle is made of new high-efficiency adsorption and filtering materials - activated carbon fiber and activated carbon cloth, which has the functions of anti-virus, deodorization, bacteria filtering, and dust blocking.
With the implementation of the national standard "Technical Specifications for Daily Protective Masks" (GB/T32610-2016), disposable face mash for adults have standards to follow, and people will pay more attention to children's masks. As the demand for children's masks increases The number of children's masks on the market is gradually increasing, mainly flat masks and foldable masks. These masks can be used as daily sanitary masks, but they cannot meet the protection requirements when worn in an air-polluted environment; some masks are just simple This kind of mask generally has a relatively large breathing resistance, which is not conducive to the protection of children's respiratory system. Due to the lack of standards for children's masks, it is impossible to judge whether the children's masks on the market are suitable for children. China's mask standards are divided into three categories: civilian mask standards, industrial protective mask standards, and medical mask standards, all of which are not applicable to children's masks. There is also no international standard for disposable face mask for children.health care personnel during surgical procedures. Surgical isolation gowns are used when there is a medium to high risk of contamination and a need for larger critical zones of protection. Non-surgical gowns are worn in low or minimal risk situations. Surgical and surgical isolation gowns are regulated by the FDA as a Class II medical device that require a 510(k) premarket notification, but non-surgical gowns are Class I devices exempt from premarket review. Surgical gowns only require protection of the front of the body due to the controlled nature of surgical procedures, while surgical isolation gowns and non-surgical gowns require protection over nearly the entire gown. In 2004, the FDA recognized ANSI/AAMI PB70:2003 standard on protective apparel and drapes for use in health care facilities. Surgical gowns must also conform to the ASTM F2407 standard for tear resistance, seam strength, lint generation, evaporative resistance, and water vapor transmission. Because surgical gowns are considered to be a surface-contacting device with intact skin, FDA recommends that cytotoxicity, sensitization, and irritation or intracutaneous reactivity is evaluated.
The types of protective coverall include fire protective clothing, industrial protective clothing, medical protective clothing, military protective clothing and protective clothing for special groups. Protective coverall is mainly used in fire protection, military industry