Civil hygiene mask testing
[ 2023-12-04 ]
&Nbsp; The demand for masks has sharply increased, leading to a series of new problems such as disorderly adoption of standards by civilian mask companies, difficulty in market supervision, and consumers' inability to distinguish. In order to standardize the civil mask market, on March 11th, the group standard for "Civil Health Masks" drafted and formulated by the China Industrial Textile Industry Association was officially released. This standard is jointly managed by the Standardization Technical Committee of the China Textile Industry Federation and the Standardization Technical Committee of the China Industrial Textile Industry Association. The promulgation and implementation of standards will provide technical support for relevant mask production enterprises, provide a basis for market regulation, and facilitate consumers to choose suitable masks. 1、 This standard is applicable to civilian hygiene masks used by ordinary people in daily environments to block the spread of particles such as droplets, pollen, and microorganisms. This standard sets indicators around the functions and wearing safety of masks, mainly including material and wearing safety, necessary barrier functions, and special attention is paid to wearing comfort. 2、 The main content of "Civil Health Masks" is: 1. Suitable for returning to work and school, it can effectively block the spread of particles such as droplets, pollen, and microorganisms; 2. It is pided into adult masks and children's masks, with specifications of large (L), medium (M), and small (S) respectively; 3. Clearly define the safety and materials to be worn, and there should be no sharp points or edges that can be touched. Children's masks should use ear mounted masks with no detachable small parts, etc. Children's masks should not have free ends, masks should not use recycled materials, masks should not be dyed with materials that come into direct contact with the skin, etc; 4. Highlight the mask barrier function, with a bacterial filtration efficiency of no less than 95% and a particle filtration efficiency of no less than 90%; 5. Highlight the comfort of wearing masks, with ventilation resistance set at ≤ 49Pa for adults and ≤ 30Pa for children; 6. And it clearly specifies indicators such as residual ethylene oxide, color fastness to dry friction, formaldehyde content, pH value, decomposable carcinogenic aromatic amine dyes, microbial indicators, flame retardancy, etc; 3、 Basic requirement 1: The mask should be able to securely cover the mouth and nose, with good facial fit and no odor. 2. The raw materials of masks should not use recycled materials and should not contain harmful substances such as carcinogens, allergies, and skin irritation. The residual amount of restricted substances should comply with relevant requirements and should not undergo chlorine bleaching treatment. 3. Masks should not have sharp tips or edges that can be touched, and should not cause harm to the wearer. Children's masks should not have exposed metal objects. 4. Masks should be easy to wear and remove, and there should be no obvious pressure or tenderness during the wearing process, with minimal impact on head movement. Children's masks should be equipped with ear mounted mask straps and should not have detachable small components. The mask strap should not have a free end. A mask equipped with a nose clip should be made of plastic material. 4、 Appearance requirement 1: The appearance of the mask should be neat, in good shape, and the surface should not be damaged or stained. Materials that come into direct contact with the skin should not be dyed. 5、 In the internal quality standard, the filtration efficiency is required to reach 95, the resistance is below 49/Pa, and it is lower for children. With the continuous growth of global demand for masks, the performance and quality testing of non-woven filter materials, as important raw materials for masks, have become important links before they go on sale p> The above article is a partial list. For more testing needs and details, please consult the online consultant of the free consulting agency: 152 0173 3840 (phone and WeChat), conducting testing on over a hundred inspection websites - issuing authoritative testing reports has legal effect P>
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