China issued an updated version of its mandatory national standard GB 2626-2019 Respiratory protection - Non-powered air-purifying particle respirator. The revised standard will become effective on July 1, 2020.
The Standardization Administration of China issued its mandatory national standard GB 2626-2019 Respiratory protection - Non-powered air-purifying particle respirator. The new mandatory national standard will become effective on July 1, 2020. Being included in China’s No. 17 announcement on the newly approved national standards in 2019, this new standard will replace the previous version, GB 2626-2006.
This standard applies to non-powered air-purifying respirator which can help provide respiratory protection against particles. This standard does not apply to respirator which provide respiratory protection against harmful gases and vapour, and it is not suitable for the respirators used in hypoxic environments, underwater operations, escape and firefighting.
This mandatory national standard specifies technical requirements for Respiratory protection - Non-powered air-purifying particle respirator, and these technical requirements include general requirement, appearance check, filter efficiency, inward leakage performance, respiratory resistance, exhalation valve, dead space, visual field, head harness, connection and connecting parts, lens, air tightness, flammability, cleaning and disinfects, practical performance, information provided by manufacturer, and package. Compared with GB 2626-2006, GB 2626-2019 contains many technical differences. The detailed information can be found in Appendix E in GB 2626-2019.
Classification and Marking
- Classification of facepiece
- Filter element categorization
- Filter element classification
The facepiece shall be classified according to its structure, including disposable facepiece, replaceable halfface piece and full-face piece.
The filter element shall be categorized according to the filter efficiency, including Category KN and Category KP. Category KN is only used to filter non-oily particles, and Category KP is used to filter oily particles and non-oily particles.
The filter element shall be classified according to the levels of filter efficiency given in Table 1.
|CATEGORY OF FILTER ELEMENT||CLASSIFICATION OF FILTER ELEMENT|
|DISPOSABLE FACEPIECE||REPLACEABLE HALF-FACE PIECE||FULL-FACE PIECE|
The facepiece shall be classified according to its structure, including disposable facepiece, replaceable halfThe filter element of disposable facepiece or replaceable facepiece shall be marked for its class in accordance with the code specified in this standard. For example, the filter element of KN 90 shall be marked as GB 2626-2019 KN90.face piece and full-face piece.
Details of the Technical Content
For more information, please refer to the China National Mandatory Standard GB 2626-2019 (Respiratory Protection - Non-powered air-purifying particle respirator) or contact SGS directly.
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