Disposable mask is made of 28g non-woven fabric with more than three layers; the nose bridge is made of environment-friendly full plastic strip, without any metal, with ventilation and comfort, especially suitable for electronic factories and daily life. Mask (medical surgical mask) can prevent respiratory tract infection to a certain extent, but can not prevent haze. When purchasing, you should choose the mask with the words "medical surgical mask" clearly marked on the outer package. The size of the mask is 17.5cmx9.5cm, 50 pieces / box and 2000 pieces / box. The masks are divided into three-layer masks, non-woven cloth masks, four-layer masks and activated carbon masks. The three-layer mask is made of two layers of non-woven fabric and filter paper; the three-layer mask is made of two layers of fiber non-woven fabric specially used for medical and health care, with a layer added in the middle to filter and prevent more than 99% of bacteria. The nose bridge is made of environment-friendly full plastic strip, which does not contain any metal, is equipped with vapor permeable and comfortable. Filtration efficiency b.f.e up to 99% It is especially suitable for electronic factories; the active carbon mask is made of 28g non-woven fabric on the surface, and anti bacteria filter paper is used in the middle layer to filter bacteria and 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, anti odor, bacteria filtering and dust prevention; The mask is made of environment-friendly full plastic nose bridge bar and nose clip design, which can be adjusted according to different face types. The inner cladding ultrasonic spot welding can make the ear band firm and not easy to fall off. Masks can be used in electronic manufacturing, dust-free workshops, catering services, food processing, schools, motorcycles, spraying processing, stamping hardware, electroplating, chemical industry, steel, welding sites, health centers, Handcraft industry, hospital, cosmetology, pharmacy, factory, environmental cleaning, public places and other uses: hang the elastic ear on both ears, match the whole nose type, press the fixed piece gently to make the mask fit the face. Main technical indicators: carbon tetrachloride adsorption rate: > 70% benzene adsorption rate: ≥ 15% resistance: 80% area weight: 35 ~ 45g / m2. Remarks: 1. Size: 9cmx17.52. Product.
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