The new coronavirus pandemic will not stop, super flu and some other epidemic viruses appear, which requires us to do absolute personal protection and make due obligations for the society. Then in the choice of personal protective materials, we must be the first choice for masks, and there are many types of masks. How do we know about FFP2 masks, disposable masks, protective masks, surgical masks, etc. Today, China custom medical masks, custom medical protective masks, ffp2 mask wholesale factories share these basic knowledge with you.
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Basic Information
The medical mask is composed of a mask body and a tension belt. The mask body is divided into inner, middle and outer layers. The inner layer is a skin-friendly material, the middle layer is an isolation filter layer, and the outer layer is a special material antibacterial layer. This high-efficiency medical mask has strong hydrophobicity and air permeability, and has a significant filtering effect on tiny virus-bearing aerosols or harmful dust particles, but cannot effectively filter PM10 and PM2.5. The overall filtering effect is good, and the materials used are non-toxic and harmless. Comfortable to wear.
Characteristic
1. Lightweight, comfortable, odorless, free of glass fiber, non-irritating to the skin, waterproof.
2. Soft and comfortable adjustable nose bridge clip
3. The breathing resistance should be small, and it is hygienic to wear. The aerosol, dust, fumigation, mist droplets, poisonous gas and poisonous vapor are adsorbed by the filter material to prevent them from being inhaled.
Other features:
1. Filtration efficiency: Under the specified conditions, the protective product will filter out the particulate matter in the air;
2. Flame retardant performance: the protective product prevents itself from being ignited, flaming and flame retardant;
3. Disinfection: use physical or chemical methods to kill or remove pathogenic microorganisms on the transmission medium to make them harmless;
4. Sterilization: kill all microorganisms on the transmission medium by physical or chemical methods to make them sterile;
5. It can achieve the effect of dustproof.
Classification
There are many types of medical masks. Common medical masks are disposable non-woven masks, gauze masks, and special anti-virus masks.
1. Disposable non-woven masks, with more than three layers, can isolate bacteria and dust, and are disposable, safe and reliable, without the risk of secondary infection.
2. Gauze masks are the most widely used type of masks. Gauze masks are widely used in the field of medical care and scientific research.
3. Anti-virus masks are mainly made of special materials with a filter layer in the middle. Generally, the filter layer is made of activated carbon felt or meltblown cloth. It has the effect of sterilization and sterilization.
2. According to the performance characteristics and scope of application, medical masks can be divided into: medical protective masks, medical surgical masks, and general medical masks.
1. Medical protective masks
In line with GB19083-2003 "Technical Requirements for Medical Protective Masks", important technical indicators include non-oily particle filtration efficiency and airflow resistance:
(1) Filtration efficiency: Under the condition of air flow (85±2) L/min, the filtration efficiency of sodium chloride aerosol with aerodynamic median diameter (0.24±0.06) μm is not less than 95%, which is in line with N95 (or FFP2) and above.
(2) Inhalation resistance: Under the above flow conditions, the inhalation resistance does not exceed 343.2Pa (35mmH2O).
2. Medical surgical masks
In line with YY 0469-2004 "Technical Requirements for Medical Surgical Masks", important technical indicators include filtration efficiency, bacterial filtration efficiency and respiratory resistance:
(1) Filtration efficiency: under the condition of air flow (30±2) L/min, the filtration efficiency of sodium chloride aerosol with aerodynamic median diameter (0.24±0.06) μm is not less than 30%;
(2) Bacterial filtration efficiency: under specified conditions, the filtration efficiency of Staphylococcus aureus aerosols with an average particle diameter of (3±0.3) μm is not less than 95%;
(3) Respiratory resistance: Under the condition of filtration efficiency and flow rate, the inspiratory resistance does not exceed 49Pa, and the expiratory resistance does not exceed 29.4Pa.
3. Ordinary medical masks
In line with the relevant registered product standards (YZB), generally lack of filtration efficiency requirements for particles and bacteria, or the filtration efficiency requirements for particles and bacteria are lower than medical surgical masks and medical protective masks.
Recommend Reading
We has 30 fully Automatic FFP2/FFP3 Mask /Medical Mask Production Line with a total daily output of up to 2 million pieces. Our products are mainly exported to Europe market, Japan, Korea, Singapore and other counties. We pass GB 2626-2019, En14683 type IIR and En149 testing to get CE 0370 and CE 0099 certificate for exporting. We have established our own brand "Kenjoy" for our masks which is well selling all over the world.
Post time: Sep-27-2022