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GB 29743.1-2022: Motor vehicle coolant - Part 1: Fuel vehicle engine coolant Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB 29743.1: Historical versions
Similar standardsGB 29743.1-2022: Motor vehicle coolant - Part 1: Fuel vehicle engine coolant---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB29743.1-2022GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 03.220.20 CCS R 16 Replacing GB 29743-2013 Motor Vehicle Coolant – Part 1.Fuel Vehicle Engine Coolant Issued on. DECEMBER 29, 2022 Implemented on. JULY 01, 2023 Issued by. State Administration for Market Regulation; Standardization Administration of the People’s Republic of China. Table of ContentsForeword... 3 Introduction... 5 1 Scope... 6 2 Normative References... 6 3 Terms and Definitions... 8 4 Product Classification... 8 5 Technical Requirements and Test Methods... 10 6 inspection Rules... 16 7 Marking, Packaging, Transportation and Storage... 17 Appendix A (Normative) Preparation Method of Coolant Performance Test Solution ... 19 Appendix B (Normative) Technical Requirements for Metal Parts Used in Coolant Test ... 21 Appendix C (Normative) Preparation Method of Reference Liquid for Bubble Tendency Test of Coolant... 22 Appendix D (Normative) Test Method for Coolant Stability and Sedimentation... 24 Appendix E (Informative) Specification and Requirements for Dilution Water of Coolant Concentrate... 27ForewordThis Document was drafted as per the rules specified in GB/T 1.1-2020 Directives for Standardization – Part 1.Rules for the Structure and Drafting of Standardizing Documents. This Document is Part 1 of GB 29743 Motor Vehicle Coolant. The GB 29743 has published the following parts. --- Part 1.Fuel Vehicle Engine Coolant. This Document replaced GB 29743-2013 Motor Vehicle Engine Coolant. Compared with GB 29743-2013, this Document made the major technical changes as follows besides the structural adjustments and editorial modifications. a) Change the scope of application (see Clause 1 of this Edition; Clause 1 of the 2013 Edition); b) Change the term and definition of “engine coolant” (see 3.1 of this Edition; 3.1 of the 2013 Edition); c) Delete the terms and definitions of “ethylene glycol type motor vehicle engine coolant” and “propylene glycol type motor vehicle engine coolant” (see 3.4 and 3.5 of the 2013 Edition); d) Delete two models -15 and -20 (see Clause 4 of the 2013 Edition); e) Add the classification code and model of 1,3-propanediol light-duty coolant (see Table 1 of this Edition); f) Add the classification code and model of 1,3-propanediol heavy-duty coolant (see Table 2 of this Edition); g) Change the classification codes and models of other types of coolants (see Table 1, Table 2 of this Edition; Table 1 of the 2013 Edition); h) Change the physical and chemical index requirements for “ash content” and “chlorine content” of ethylene glycol-based coolants; add the physical and chemical index requirements for “sulfate content”; and delete the physical and chemical index requirements for “other glycol content” (see Table 4 of this Edition; Table 4 of the 2013 Edition); i) Change the physical and chemical index requirements for “ash content” and “chlorine content” of 1,2-propanediol coolants; add the physical and chemical index requirements for “sulfate content” have been added; and delete the physical and chemical index requirements for “other glycol content” (see Table 5 of this Edition; Table 5 of the 2013 Edition); j) Add the physical and chemical performance requirements and test methods of 1,3- propanediol coolants (see Table 6 of this Edition); k) Change the physical and chemical index requirements of “boiling point”, “ash content” and “chlorine content” of other types of cooling liquids; and add the physical and chemical index requirements of “density” and “sulfate content” (see Table 7 of this Edition; Table 6 of the 2013 Edition); l) Change the service performance requirements of “casted aluminum alloy heat transfer corrosion” (see Table 8 of this Edition; Table 8 of the 2013 Edition); m) Add the performance requirements for “coolant stability” (see Table 8 of this Edition); n) Add special requirements and test methods for heavy-duty coolant (see 5.4 of this Edition); o) Change the test method of “nitrite content” (see Table 9 of this Edition; Table 7 of the 2013 Edition); p) Add the technical requirements for metal test pieces used in coolant tests (see Appendix B of this Edition); q) Add test methods for coolant stability and sedimentation (see Appendix D of this Edition). Please note some contents of this Document may involve patents. The issuing agency of this Document shall not assume the responsibility to identify these patents. This Document was proposed by and under the jurisdiction of the Ministry of Transport of the People’s Republic of China. The historical editions replaced by this Document are as follows. --- GB 29743-2013 was first-time published in 2013; --- It is first-time revised hereby.1 ScopeThis Document specifies the product classification, technical requirements, test methods, inspection rules, and marking, packaging, transportation and storage of fuel vehicle engine coolants. This Document applies to the coolant for light-duty engines and heavy-duty engines of fuel vehicles.2 Normative ReferencesThe provisions in following documents become the essential provisions of this Document through reference in this Document. For the dated documents, only the versions with the dates indicated are applicable to this Document; for the undated documents, only the latest version (including all the amendments) is applicable to this Document. GB/T 711 Hot-Rolled Quality Carbon Structural Steel Plates, Sheets and Wide Strips GB/T 1173 Casting aluminum alloys GB/T 3673 Phthalocyanine green G GB/T 5231 Designation and chemical composition of wrought copper and copper alloys GB/T 6682 Water for analytical laboratory use - Specification and test methods GB/T 8926 Standard test method for insoluble in used lubricating oils GB/T 9439 Grey iron castings JT/T 1230 Standard test method for determination of inorganic anions in motor vehicle engine coolant - Ion chromatography JT/T 1304 Technical specification of aluminum centrifugal pumps for cavitation corrosion characteristics test with engine coolants NB/SH/T 0164 Petroleum and related products packaging, storage, transportation and acceptance of delivery rules NB/SH/T 0828 Standard Test Method for Determination of Silicon and Other Elements in Engine Coolant by Inductively Coupled Plasma-atomic Emission Spectroscopy SH/T 0065 Preparation of the engine coolant or rust test samples and aqueous samples SH/T 0066 Standard test method for foaming tendencies of engine coolants in glassware SH/T 0067 Determination method for ash content in engine coolant and antirust agent SH/T 0068 Standard test method for density or relative density of coolant concentrates and engine coolants by the hydrometer SH/T 0069 Determination method for PH value of engine anti-freezing agent, antirust agent and coolant liquid SH/T 0084 Standard test method for effect of cooling system chemical solutions on organic finishes for automotive vehicles SH/T 0085 Determination Method of Corrosion Test for Engine Coolants (Glassware Method)3 Terms and DefinitionsFor the purposes of this Document, the following terms and definitions apply. 3.1 Engine coolant The functional liquid that is compounded with antifreeze, corrosion inhibitor and other raw materials. It is used in the engine cooling system and has the functions of cooling, anti-corrosion, anti-freezing and anti-scaling, etc. NOTE. The engine coolant taken directly from the original product packaging is usually called the stock solution, which can be either the engine coolant concentrate or the engine coolant predilute. 3.2 Light-duty engine An engine that operates for a long time at a condition of lower than the rated (net) power. 3.3 Heavy-duty engine An engine that operates for a long time at a condition of rated (net) power. NOTE. Most heavy-duty engines adopt wet cylinder liner design. 3.4 Engine coolant concentrate The engine coolant, of which the water content is not more than 5%, is used for the engine cooling system after dilution. 3.5 Engine coolant predilute The engine coolant, with a specific freezing point, is directly used in the engine cooling system.4 Product Classification4.1 Classification by the engine load of the light-duty coolant shall comply with the provisions in Table 1. 4.2 Classification by main raw materials Coolant is divided into four categories according to the main raw materials. 4.3 Classification by moisture content Coolant is divided into coolant concentrate and coolant predilute according to the moisture content.5 Technical Requirements and Test Methods5.1 General requirements and test methods The general requirements and test methods for the coolant shall comply with the provisions in Table 3. 5.2 Physical and chemical performance requirements and test methods 5.2.1 The physical and chemical performance requirements and test methods of ethylene glycol type coolants shall comply with the provisions in Table 4. 5.2.2 The physical and chemical performance requirements and test methods of 1,2-propanediol type coolant shall comply with the provisions in Table 5. 5.3 Performance requirements and test methods The performance requirements and test methods of the coolant shall comply with the provisions in Table 8. 5.4 Special requirements and test methods for heavy-duty coolant In addition to meeting the requirements of 5.1~5.3, heavy-duty engine coolant shall also meet one of the following requirements.6 inspection Rules6.1 Classification of inspection 6.1.1 Inspection is divided into type inspection and exit-factory inspection. 6.1.2 Type inspection shall be carried out under the following circumstances. 6.1.3 Exit-factory inspection is divided into exit-factory batch inspection and exit-factory periodic inspection. When there is no change in the main raw materials and additives, at least two exit-factory periodic inspections shall be carried out every year. 6.2 Inspection items 6.2.1 The type inspection items are all the technical requirements stipulated in Clause 5. 6.2.2 Exit-factory batch inspection items include appearance, color, smell, freezing point, boiling point, pH, density, reserve alkalinity, and bubble tendency. 6.3 Batching Under the condition that the raw materials and processes remain unchanged, each production of one kettle or continuous production of multiple kettles that are uniformly mixed is an inspection batch. 6.4 Sampling Sampling shall be carried out in accordance with the provisions of SH/T 0065; and the sampling volume of each batch of products must meet the requirements for inspection and reserved sample; or randomly select samples from packaged products for inspection and reserved samples. 6.5 Judgment rules When the results of exit-factory inspection and type inspection meet the provisions of Clause 5, it is determined that the batch of products is qualified. 6.6 Re-inspection rules If the results of the exit-factory inspection and type inspection do not meet the requirements of Clause 5, double-quantity samples shall be re-taken from the same batch of products to re- inspect the unqualified items. If the re-inspection results still do not meet the requirements of this Document, the batch of products shall be judged is unqualified.7 Marking, Packaging, Transportation and Storage7.1 The coolant shall be marked and packaged according to the provisions of NB/SH/T 0164, and the content of the marking shall include. 7.2 Coolant transportation shall comply with the provisions of NB/SH/T 0164. 7.3 Coolant shall be stored in a dark and ventilated place, avoiding direct sunlight. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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