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GB 29743-2013 English PDF (GB29743-2013)

GB 29743-2013 English PDF (GB29743-2013)

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GB 29743-2013: Motor vehicle engine coolant

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. 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.
GB 29743-2013
GB
NATIONAL STANDARD OF THE
PEOPLE 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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