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[Product Highlights] Masks, understand it through standards
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[Product Highlights] Masks, understand it through standards

  • Categories:Industry News
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  • Time of issue:2021-11-05 16:50
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(Summary description)At present, a nationwide fight against pneumonia caused by the novel coronavirus has begun. As the "first line of defense" for personal hygiene protection, it is very important to wear masks that meet epidemic prevention standards. From N95 and KN95 to medical surgical masks, ordinary people may have some blind spots in the choice of masks. Here we summarize the knowledge points in the standard field to help you understand the common sense of masks.

[Product Highlights] Masks, understand it through standards

(Summary description)At present, a nationwide fight against pneumonia caused by the novel coronavirus has begun. As the "first line of defense" for personal hygiene protection, it is very important to wear masks that meet epidemic prevention standards. From N95 and KN95 to medical surgical masks, ordinary people may have some blind spots in the choice of masks. Here we summarize the knowledge points in the standard field to help you understand the common sense of masks.

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2021-11-05 16:50
  • Views:
Information

  At present, a nationwide fight against pneumonia caused by the novel coronavirus has begun. As the "first line of defense" for personal hygiene protection, it is very important to wear masks that meet epidemic prevention standards. From N95 and KN95 to medical surgical masks, ordinary people may have some blind spots in the choice of masks. Here we summarize the knowledge points in the standard field to help you understand the common sense of masks.

   What are the standards for masks?

At present, the main standards for masks in my country include GB 2626-2006 "Respiratory protective equipment self-priming filter type anti-particulate respirator", GB 19083-2010 "Technical requirements for medical protective masks", YY 0469-2004 "Technical requirements for medical surgical masks" , GB/T 32610-2016 "Technical Specifications for Daily Protective Masks", etc., covering labor protection, medical protection, civil protection and other fields.

   GB 2626-2006 "Respiratory protective equipment self-priming filter particulate respirator" was promulgated by the former General Administration of Quality Supervision, Inspection and Quarantine and the National Standardization Management Committee. It is a mandatory standard for the full text and was implemented on December 1, 2006. The protection objects stipulated by the standard include all kinds of particulate matter, including dust, smoke, fog and microorganisms. It also stipulates the production and technical specifications of respiratory protective equipment, and the materials, structure, appearance, performance, and filtration efficiency of dust masks ( Dust resistance rate), breathing resistance, testing methods, product identification, packaging, etc. all have strict requirements.

   GB 19083-2010 "Technical Requirements for Medical Protective Masks" was promulgated by the former General Administration of Quality Supervision, Inspection and Quarantine and the National Standardization Management Committee, and was implemented on August 1, 2011. This standard specifies the technical requirements, test methods, signs and instructions for use of medical protective masks, as well as packaging, transportation and storage. It is suitable for use in medical working environments to filter airborne particles and block droplets, blood, body fluids, secretions, etc. Self-priming filter medical protective mask. 4.10 of the standard is recommended, and the rest are mandatory.

   YY 0469-2004 "Technical Requirements for Medical Surgical Masks" was issued by the State Drug and Food Supervision Administration as a standard for the pharmaceutical industry and was implemented on January 1, 2005. This standard specifies the technical requirements, test methods, markings and instructions for use, packaging, transportation and storage of medical surgical masks. The standard stipulates that the bacterial filtration efficiency of masks should not be less than 95%.

   GB/T 32610-2016 "Technical Specifications for Daily Protective Masks" was issued by the former General Administration of Quality Supervision, Inspection and Quarantine and the National Standardization Management Committee. It is my country's first national standard for civilian protective masks and was implemented on November 1, 2016. The standard involves mask raw material requirements, structural requirements, label identification requirements, appearance requirements, etc. The main indicators include functional indicators, particulate matter filtration efficiency, expiratory and inspiratory resistance indicators, and adhesion indicators. The standard requires that masks should be able to safely and securely protect the nose and mouth, and there should be no sharp corners and edges that can be touched. It has detailed regulations on factors that may cause harm to human bodies such as formaldehyde, dyes, and microorganisms to ensure that the public can wear them. Safety when wearing protective masks.

  What are the common masks?

   The most frequently mentioned masks now include KN95, N95, medical surgical masks and so on.
   First is the KN95 mask. According to the classification of the national standard GB2626-2006 "Respiratory Protective Equipment Self-priming Filter Type Anti-Particulate Respirator", masks are divided into KN and KP according to the efficiency level of the filter element. KP type is suitable for filtering oily particles, KN ​​type is suitable for filtering non-oily particles. Among them, when the KN95 mask is detected with sodium chloride particles, its filtration efficiency should be greater than or equal to 95%, that is, the filtration efficiency of non-oily particulates above 0.075 microns is greater than or equal to 95%.

  N95 respirator is one of the nine particulate protective respirators certified by NIOSH (National Institute of Occupational Safety and Health). "N" means not resistant to oil. "95" means that when exposed to a specified number of special test particles, the particle concentration inside the mask is more than 95% lower than the particle concentration outside the mask.

   Then there are medical surgical masks. According to the definition of YY 0469-2004 "Technical Requirements for Medical Surgical Masks", medical surgical masks are "worn by clinical medical staff in an invasive operating environment to provide protection for patients undergoing treatment and medical staff performing invasive operations, and prevent Medical surgical masks spread by blood, body fluids and splashes are masks worn by medical staff at work.” This type of mask is used in medical environments such as medical clinics, laboratories, and operating rooms, and is divided into a waterproof layer, a filter layer, and a comfort layer from the outside to the inside.

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