This standard specifies the terms and definitions, model naming, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of filter screens for household and similar air purifiers. This standard applies to filter screens for household and similar air purifiers (hereinafter referred to as "filters"). The filter screen of other products can also refer to this standard for implementation, such as fresh air systems, air conditioners, humidifiers, etc. The following normative references are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document. GB/T 191 Packaging, Storage and Transportation Pictorial Markings GB/T 1019 General Principles for Packaging of Household and Similar Electrical Appliances GB/T 2828.1 Sampling and Inspection Procedures by Attributes Part 1: Acceptance Quality Limit (AQL) Batch by batch inspection sampling plan for retrieval GB 4789.2 National Food Safety Standard for Microbiological Examination of Food GB 4789.15 National Food Safety Standard for Microbiological Examination of Food GB 5296.1 Counting of Mold and Yeast GB/T 5296.1 Instructions for Use of Consumer Products Part 1: General Principles GB/T 14295 Air Filters GB/T 18801 Air Purifiers GB/T 18883 Indoor Air Quality Standards GB 21551.2 Antibacterial, Disinfectant, and Sterilization of Household and Similar Electrical Appliances Special Requirements for Purification Function Antibacterial Materials 3 Terms and Definitions The following terms and definitions apply to this document. 3.1 Filter filter is a device that has purification functions for target pollutants such as particulate matter, gaseous pollutants, and microorganisms in the air. Note: It is generally made by folding or filling, and can be made into various forms such as plate or simple
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China