GB 4066-2017Powder extinguishing agent (English PDF)

1 Scope

GB 4066-2017 is the Chinese national standard on powder extinguishing agent, in the field of environment and health protection, safety. It carries no /T suffix, which in the Chinese system means compliance is mandatory: a product or a practice within its scope has to meet it to be lawfully made, sold or carried out in China. It was issued on 29 December 2017 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China, and has been in force since 1 July 2018. Classification: ICS 13.220.20, CCS 83. This page is published from the official record of the standard held by the Chinese standards administration: the identification, the dates, the classification and the issuing body are taken from there. The clause text, the tables and the numeric limits are in the document itself, which is delivered complete in English translation.

This Standard specifies the terms and definitions, models, technical requirements, test methods, inspection rules, marks, packaging, transportation and storage for powder extinguishing agent. This Standard applies to powder extinguishing agent whose major chemical content is not less than 75%. It is not suitable for ultra-fine powder extinguishing agent specified in GA 578 and Class D powder extinguishing agent specified in GA 979.

2 Normative references

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB/T 535, Fertilizer grade ammonium sulphate

GB/T 622, Chemical reagent - Hydrochloric acid

GB 4351.1, Portable fire extinguishers - Part

3 Terms and definitions

For the purposes of this document, the terms and definitions defined in GB/T 5907 and GB/T 4968 as well as the followings apply.

3.1 characterization statement The data and information on the physical or chemical properties of powder extinguishing agent provided by the manufacturer or the inspection entrusting party. It includes the content of chemical content, bulk density, particle size distribution, fire extinguishing performance, etc.

3.4 batch Uniformed products that are produced according to the same formula and the same process, one-time feeding and production.

3.5 lot Multiple batches of products under the same formula, process, and raw materials. The total amount shall not exceed 25 t.

4 Models

The model of powder extinguishing agent is represented by a combination of fire type codes applicable to firefighting, chemical content and amount, and enterprise-defined information. The total content of chemical contents shall not be less than 90%.

6 Test methods

6.1 Contents of chemical contents See Annex A for the inspection method of sodium bicarbonate content. Self-defined by the enterprise

8 Marks, packaging, instruction manual, transportation and storage

8.1 Marks Each package shall be clearly and firmly marked with the manufacturer's name, address, product name, model, trademark, applicable standards, production date, production batch number, conformity mark, storage requirements, etc.

8.2 Packaging The powder extinguishing agent shall be sealed in a plastic bag. Protective packaging shall be added outside the plastic bag.