This standard specifies the basic requirements for classification, technical requirements, quality inspection rules and product marking, packaging, transportation and storage of high efficiency particulate air filter and ultra-low penetration air filter (hereinafter referred to as "filter").
This standard is applicable to the high efficiency particulate air filter and ultra-low penetration air filter of air supply and exhaust purification system and equipment under normal temperature and humidity conditions.
This standard is not applicable to the filter with special requirements for military, nuclear industry and other purpose.
2 Normative References
The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding corrections to), or revisions of, any of these publications do not apply. However, all parties coming to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.
GB/T 191 Packaging - Pictorial Marking for Handling of Goods
GB/T 451.3 Paper and Board - Determination of Thickness
GB/T 453 Paper and Board - Determination of Tensile Properties (Constant Rate Loading Methods)
GB/T 912 Hot-rolled Sheets and Strips of Carbon Structural Steels and High Strength Low Alloy Structural Steels
GB/T 3198 Aluminum and Aluminum Alloys Foils
GB/T 3280 Cold Rolled Stainless Steel Plate Sheet and Strip
GB/T 3880.1 Wrought Aluminum and Aluminum Alloy Plates, Sheets and Strips for General Engineering - Part 1: Technical Conditions of Delivery
GB/T 3880.2 Wrought Aluminum and Aluminum Alloy Plates, Sheets and Strips for General Engineering - Part 2: Mechanical Properties
GB/T 4857.23 Packaging - Transport Packages - Random Vibration Test Method
GB/T 5849 Blockboard
GB/T 6165 Test Method of the Performance of High Efficiency Particulate Air Filter - Efficiency and Resistance
GB 8624 Classification for Burning Behavior of Building Materials and Products
GB/T 9846.3 Plywood - Part 3: General Specification for Plywood for General Use
3 Terminologies, Definitions and Abbreviations
3.1 Terminologies and definitions
For the purpose of this standard, the following terminologies and definitions apply.
3.1.1
High efficiency particulate air filter
The air filter with filtration efficiency not lower than 99.9% after the inspection based on the sodium flame method specified in GB/T 6165.
