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GB 29743.1-2022 English PDF (GB 29743-2013)

GB 29743.1-2022_English: PDF (GB29743.1-2022)
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GB 29743.1-2022English290 Add to Cart 0--9 seconds. Auto-delivery Motor vehicle coolant -- Part 1: Fuel vehicle engine coolant Valid GB 29743.1-2022
GB 29743-2013English70 Add to Cart 0--9 seconds. Auto-delivery Motor vehicle engine coolant Obsolete GB 29743-2013


BASIC DATA
Standard ID GB 29743.1-2022 (GB29743.1-2022)
Description (Translated English) Motor vehicle coolant -- Part 1: Fuel vehicle engine coolant
Sector / Industry National Standard
Classification of Chinese Standard R16
Classification of International Standard 03.220.20
Word Count Estimation 18,124
Date of Issue 2022-12-29
Date of Implementation 2023-07-01
Older Standard (superseded by this standard) GB 29743-2013
Administrative Organization Ministry of Transport of the People's Republic of China
Proposing organization State Administration for Market Regulation, National Standardization Management Committee

BASIC DATA
Standard ID GB 29743-2013 (GB29743-2013)
Description (Translated English) Motor vehicle engine coolant
Sector / Industry National Standard
Classification of Chinese Standard R16
Classification of International Standard 03.220.20
Word Count Estimation 14,190
Quoted Standard GB/T 3673; GB/T 6682; GB/T 14571.2; HJ/T 84; NB/SH/T 0828; SH/T 0065; SH/T 0066; SH/T 0067; SH/T 0068; SH/T 0069; SH/T 0084; SH/T 0085; SH/T 0086; SH/T 0087; SH/T 0088; SH/T 0089; SH/T 0090; SH/T 0091; SH 0164; SH/T 0620; SH/T 0621
Adopted Standard ASTM D3306-11, NEQ; ASTM D6210-10, NEQ
Drafting Organization Ministry of Transport and Road Research Institute
Administrative Organization National Maintenance Automotive Standardization Technical Committee
Regulation (derived from) National Standards Bulletin No. 18 of 2013
Proposing organization Ministry of Transport of the People's Republic of China
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies: vehicle engine coolant (hereinafter referred to as coolant) Terminology and definitions, product classification, technical requirements and test methods, inspection rules, marking and packaging, transportation and storage. This st


GB 29743.1-2022 GB 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 Contents Foreword ... 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 ... 27 Motor Vehicle Coolant – Part 1: Fuel Vehicle Engine Coolant 1 Scope This 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 References The 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 3 Terms and Definitions For 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 Classification 4.1 Classification by the engine load Fuel vehicle engine coolant (hereinafter referred to as “coolant”) is divided into light-duty coolant and heavy-duty coolant according to the engine load. The classification, code and model of the light-duty coolant shall comply with the provisions in Table 1. The classification, code and model of heavy-duty coolant shall comply with the provisions in Table 2. 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. 6.2.3 The exit-factory periodic inspection items include the items in 6.2.2 and ash content, chlorine content, sulfate content, influence on automotive organic coatings, moisture, glassware corrosion, and heat transfer corrosion of cast aluminum alloys. 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 Storage 7.1 The coolant shall be marked and packaged according to the provisions of NB/SH/T 0164, and the content of the marking shall include: a) product name; b) type of antifreeze; c) product classification and freezing point; d) usage method of concentrate product (refer to Appendix E for the specification Appendix D (Normative) Test Method for Coolant Stability and Sedimentation D.1 Summary of method D.1.1 Coolant stability After keeping the coolant specimen at 60°C for 336h, observe the appearance of the specimen. Then take a certain amount of synthetic hard water and add it to the specimen; mix well and keep it at 90°C for 336h; observe its appearance. Then centrifuge the specimen according to the specified requirements; and record the volume of the sediment. D.1.2 Sedimentation of coolant Mix the coolant specimen evenly; centrifuge the specimen under specified conditions; and record the volume of the sediment. D.2 Instruments and reagents D.2.1 Oven: The temperature can be controlled at 60°C±2°C and 90°C±2°C, respectively. D.2.2 Centrifuge: It shall meet the requirements of GB/T 8926. D.2.3 Centrifuge tube: It shall meet the requirements of GB/T 8926, with a cork or rubber stopper. D.2.4 Graduated cylinder: 100mL, division value of 1mL. D.2.5 Volumetric flask: 1000mL. D.2.6 Water: It shall meet the requirements for Class-III water in GB/T 6682. D.2.7 Calcium chloride dihydrate (CaCl2·2H2O): Analytically pure. D.2.8 Methanol: Analytically pure. D.2.9 Synthetic hard water stock solution: Weigh 44.10g of calcium chloride dihydrate (CaCl2·2H2O) and dissolve it in an appropriate amount of water; completely transfer it all into a 1000mL volumetric flask; dilute with water to the mark and shake well. D.2.10 Synthetic hard water test solution: Obtained by diluting D.2.9 synthetic hard water stock solution 50 times with water. D.3 Test procedure D.3.1 Coolant stability test D.3.1.1 Use a graduated cylinder to measure 50mL of coolant specimens respectively; pour them into two clean and dry 100mL centrifuge tubes; and record the appearance of the samples. Cover the stopper; put the centrifuge tube into an oven with a constant temperature of 60°C±2°C; and keep it for 336h±2h. D.3.1.2 Take out the centrifuge tube to cool to room temperature and let it stand for 1h; observe whether there is any color change, formation of gel precipitate, etc. of the specimen. D.3.1.3 Add 50mL of synthetic hard water test solution (D.2.10) to the above two centrifuge tubes, respectively; cover the stopper and shake well; record the appearance of the mixture. Put the centrifuge tube into an oven with a constant temperature of 90°C±2°C and keep it for 336h±2h. D.3.1.4 Take out the centrifuge tube and cool it to room temperature and let it stand for 1h; observe whether there is any color change, formation of gel precipitates, etc. of the mixture. D.3.1.5 Centrifuge the mixture for 15 min under the condition of relative centrifugal force of 900; and then carefully pour out the clear liquid above the centrifuge tube. Take 20mL of methanol into the centrifuge tube; shake vigorously and then centrifuge for 15min. After standing still, record the volume of the sediment at the bottom of the centrifuge tube in milliliters (mL). D.3.2 Coolant sedimentation test D.3.2.1 Mix the coolant specimens evenly; measure 100mL of specimens with a graduated cylinder; pour them into two clean and dry 100mL centrifuge tubes; cover the stoppers. And centrifuge for 15min under the condition of a relative centrifugal force of 900. D.3.2.2 After the test, record the volume of the sediment at the bottom of the centrifuge tube in milliliters (mL). D.4 Report on results D.4.1 Storage stability Report the appearance of the specimen at 60°C. D.4.2 Stability against hard water Report the appearance of the sample at 90°C and the volume of the sediment (take the average value of two centrifuge tubes, in mL). D.4.3 Sedimentation of coolant ......


GB 29743-2013 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 03.220.20 R 16 Motor Vehicle Engine Coolant ISSUED ON. SEPTEMBER 18, 2013 IMPLEMENTED ON. MAY 1, 2014 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of the People's Republic of China. Table of Contents Foreword ... 3  1 Scope ... 4  2 Normative References ... 4  3 Terms and Definitions ... 5  4 Product Classification ... 6  5 Technical Requirements and Test Methods ... 7  6 Inspection Rules ... 11  7 Marking and Packaging ... 12  8 Transportation and Storage ... 12  Annex A (Normative) Preparation Method for Coolant Use Property Test Solution ... 13  Annex B (Normative) Preparation Method for Reference Solution for Coolant Foaming Tendency Test ... 15  Foreword Chapter 4, 5 and 6 of this Standard are compulsory; the rest are voluntary. This Standard was drafted according to the rules given in GB/T 1.1-2009. This Standard was prepared by reference to ASTM D3306-11 "Standard Specification for Glycol Base Engine Coolant for Automobile and Light-Duty Service" and ASTM D6210-10 "Standard Specification for Fully-Formulated Glycol Base Engine Coolant for Heavy-Duty Engines". This Standard was proposed by the Ministry of Transport of the People's Republic of China. This Standard shall be under the jurisdiction of the Standardization Technology Committee of Automobile Maintenance of China (SAC/TC 247). The drafting organizations of this Standard. Research Institute of Highway Ministry of Transport, NAC Automobile Engineering Research Institute, Tianjin Institute of Product Quality Inspection and Testing Technical Research, Beijing University of Aeronautics and Astronautics, Tongyi (Shell) Petroleum Chemical Co., Ltd., Bluestar Cleaning Co., Ltd. Beijing Branch, Liaoning Rundi Fine Chemical Co., Ltd., Shandong Xinhai Auto Parts Co., Ltd., Zhangjiagang Yingke Chemical Co., Ltd. and Qingdao Copton Petroleum Chemical Co., Ltd. The main drafters of this Standard. Zhang Yang, Jiao Jian, Ying Bei, Yang Jialing, Tang Lin, Zhang Zongke, Bian Hui, Zhang Kaijiao, Tan Xiguang, Wang Shuangtian, Liu Jinlong, Liu Zhongqiang, Du Wenjun, Bai Jianli, Zou Jianbo, Chen Shikui, Zhang Yi and Wang Qiang. Motor Vehicle Engine Coolant 1 Scope This Standard specifies the terms and definitions, product classification, technical requirements and test methods, inspection rules, marking and packaging, transportation and storage of motor vehicle engine coolant (hereinafter referred to as “coolant”). This Standard applies to glycol base and other types of coolant for light-duty engines as well as glycol base engine coolant for heavy-duty engines containing nitrite and molybdate components. 2 Normative References The following documents are essential to the application of this standard. For the dated references, only the dated editions are applicable to this standard. For the undated references, their latest editions (including all amendments) are applicable to this standard. GB/T 3673 Phthalocyanine Green G GB/T 6682 Water for Analytical Laboratory Use - Specification and Test Methods GB/T 14571.2 Determination of Diethylene Glycol and Triethylene Glycol of Glycol for Industrial Use - Gas Chromatographic Method HJ/T 84 Water Quality - Determination of Inorangic Anions - Ion Chromatography Method 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 Sampling of Test Samples of Engine Coolant or Antirust Agent and Preparation of Its Aqueous Solution 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 Antifreezing 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) SH/T 0086 Determination of Water Content in Concentrated Solution of Engine Refrigerant (Karl Fischer Method) SH/T 0087 Standard Test Method for Aluminium Pump Cavity Corrosion of Engine Coolant SH/T 0088 Determination Method for Corrosion of Engine Coolant Liquid for Simulated Use SH/T 0089 Ebullioscopy for Engine Refrigerant SH/T 0090 Standard Test Method for Freezing Point for Engine Coolants SH/T 0091 Determination Method for Reserve Alkalinity of Engine Coolant Liquid and Antirust Agent SH 0164 Rules of Packaging, Storage and Transportation as well as Delivery Acceptance of Petroleum Products SH/T 0620 Standard Test Method for Cast Aluminium Alloy Corrosion of Engine Coolant in the Condition of Heat Transfer SH/T 0621 Determination Method for Chlorine Content of Engine Coolant 3 Terms and Definitions For the purpose of this Standard, the following terms and definitions apply. 3.1 Motor vehicle engine coolant The functional liquid which is formulated by antifreezing agent, corrosion inhibitor and other materials and used in motor vehicle cooling system for cooling, anticorrosion and antifreezing. 3.2 Light-duty Engine The engines which are operated under the conditions much lower than the rated power Table 4 Physicochemical Property Requirements of Ethylene Glycol Base Coolant Item Requirement Test method LEC-I HEC-I LEC-II -15 HEC-II -15 LEC-II -20 HEC-II -20 LEC-II -25 HEC-II -25 LEC-II -30 HEC-II -30 LEC-II -35 HEC-II -35 LEC-II -40 HEC-II -40 LEC-II -45 HEC-II -45 LEC-II -50 HEC-II -50 Other glycols’ content (mass fraction) a/ % ≤15 - GB/T 14571.2 Density (20.0°C) g/cm3 1.108~1.144 ≥1.036 ≥1.04 ≥1.050 ≥1.055 ≥1.060 ≥1.065 ≥1.070 ≥1.076 SH/T 0068 Freezing point/°C Original solution - ≤ -15.0 ≤ -20.0 ≤ -25.0 ≤ -30.0 ≤ -35.0 ≤ -40.0 ≤ -45.0 ≤ -50.0 SH/T 0090 50% volume predilute ≤ -36.4 - Boiling point/°C Original solution ≥ 163.0 ≥ 105.5 ≥ 106.0 ≥ 106.5 ≥ 107.0 ≥ 107.5 ≥ 108.0 ≥ 108.5 ≥ 109.0 SH/T 0089 50% volume predilute ≥ 108.0 - Ash content (mass fraction)/ % ≤ 5.0 ≤ 2.5 ≤ 3.0 SH/T 0067 pH value Original solution - 7.5~11.0 SH/T 0069 50% volume predilute 7.5~11.0 - Chlorine content/ (mg/kg) ≤ 60 SH/T 0621 Water content (mass fraction)/ % ≤5.0 - SH/T 0086 Reserve alkalinity/ mL Report value SH/T 0091 Effect on vehicle organic finishes No effect SH/T 0084 a Other glycols include. diethylene glycol, triethylene glycol, tetraethylene glycol, propylene glycol, dipropylene glycol, tripropylene glycol, and 1,3-propanediol. 5.2.2 See Table 5 for the physicochemical property requirements and test methods of propylene glycol base coolant. When there is no change in major materials or additives, exit-factory periodic inspection shall be conducted twice at least each year. The exit-factory periodic inspection items include. the exit-factory batch inspection items as well as ash content, chlorine content, effect on vehicle organic finishes, water content and glassware corrosion. 6.2 Batch Each kettle of product produced or multiple kettles of product produced continuously and mixed evenly, with the same materials and process. 6.3 Sampling Take samples according to SH/T 0065; make sure the sampling quantity of each batch meets the requirements of inspection and sample reservation; or take samples randomly from the products packaged for inspection and sample reservation. 7 Marking and Packaging The coolant shall be marked and packaged according to the requirements of SH 0164, including. a) Product name and classification code; b) Freezing point; c) Manufacturer name and address; d) Production date and batch number; e) Product usage etc.; f) Package shall be marked visibly with “Do Not Drink” mark, relevant precautions for use and so on. 8 Transportation and Storage The coolant shall be stored in a dark and well-ventilated place and prevented from exposure to direct sunlight; its transportation shall meet the requirements of SH 0164. fully dissolved. B.4.3 Add dyestuff in the concentrate according to the proportion of 1.0 g/L; measure its water content according to SH/T 0086 after mixing it evenly. B.4.4 Add water to the concentrate to dilute to the reference solution of water content 4.00%±0.20%. B.5 Use and Storage B.5.1 The reference solution shall be stored with shaded plastic container or plastic-lined metal can. B.5.2 The reference solution shall be placed in a dark and shady place. B.5.3 Take samples after shaking up the reference solution; seal it immediately after sampling. ......

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