In order to protect people's safety and avoid the spread of viruses, medical experts recommend that you travel and wear masks in public places. Masks have become a key material that needs to be protected by every possible means in the prevention and control of epidemics. Masks have become necessary protective equipment against the epidemic.
In the face of the urgent demand for masks and the large demand, the related enterprises actively resumed production and transferred production to work overtime to fight against the epidemic. The supply of masks continued to increase, and the situation of tight supply and demand was alleviated to a certain extent. Along with this is the demand for masks for reinstatement, reinstatement, and reinstatement, and what standards should consumers choose according to.
Chinese mask standards are divided into three categories: civil mask standards are represented by GB / T32610 "Technical Specifications for Daily Protective Masks", which are mainly aimed at air quality polluted environments; protective mask standards for industrial fields are "Filtered anti-particulate respirator" is representative, mainly used in industrial workplaces; standard standards in the medical field are: GB 19083-2010 "Medical protective mask technical requirements", YY 0469-2011 "Medical surgical mask", YY / T 0969-2013 "Disposable Medical Masks" is mainly used in the medical field. According to the mask usage scenarios and the user group, what standard should the hygienic masks used by ordinary consumers be produced, causing confusion to the production enterprises and market supervision.
Main technical indicators and detection methods锛?/strong>
1. Basic requirements. The basic requirements are mainly the safety requirements for the materials used in the mask body, the auxiliary materials for the mask, and the design of the mask, which reflects the standard's concern for the safety of consumers wearing masks.
(1) The mask should be able to cover the mouth and nose safely and firmly, and should have good facial fit and no odor.
This clause is a basic requirement for the appearance design of masks. Under the premise of beauty, mask designers also need to study the characteristics of consumers' faces to ensure that the masks have a good fit with the wearer's face, laying a foundation for the realization of protective functions.
(2) The raw materials of the mask should not use recycled materials, and should not contain carcinogenic, allergic, skin irritation and other harmful substances. The residual amount of the restricted substances should meet the relevant requirements and must not be bleached with chlorine.
This clause is a requirement for the materials used in the production of masks, and is the most basic requirement for the safety performance of masks. However, the standard does not make specific requirements for materials. Enterprises are encouraged to use new materials that meet the relevant requirements for civilian masks.
(3) There should be no sharp points and sharp edges that can be touched by the mask, and it should not cause damage to the wearer. There should be no exposed metal objects in the mask for children.
This clause is from the perspective of protecting the wearer's safety, the requirements for the accessories and the design of the mask. Enterprises need to pay attention to meet the requirements of this article when choosing auxiliary materials.
(4) The mask should be easy to put on and take off, and there is no obvious feeling of pressure or tenderness during wearing, which has little effect on head movements; ear masks should be used for children 鈥檚 masks, and there should be no removable small parts. The mask band should not have a free end. Masks equipped with nose clips shall be made of plastic materials.
This clause is for safety and comfort considerations, and the requirements for mask design and auxiliary materials, especially children are lively and active. The auxiliary materials and design of masks must not have any potential risk factors for children, and manufacturers need to pay special attention.
(5) Appearance: The appearance of the mask should be neat and intact, and there should be no damage or stains on the surface. Masks that come into direct contact with the skin should not be stained.
website:http://www.neptunusmedical.com/anti-coronavirus/ |
