ASTM D7640-16(2021)
(Specification)Standard Specification for Engine Coolant Grade Glycerin
Standard Specification for Engine Coolant Grade Glycerin
ABSTRACT
This specification covers engine coolant grade glycerin (1, 2, 3 Propanetriol, Glycerol). The chemical and physical property requirements of the engine coolant grade glycerin are provided.
SCOPE
1.1 This specification covers engine coolant grade glycerine (1, 2, 3 Propanetriol, Glycerol).
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
General Information
- Status
- Published
- Publication Date
- 31-Aug-2021
- Technical Committee
- D15 - Engine Coolants and Related Fluids
- Drafting Committee
- D15.07 - Specifications
Relations
- Effective Date
- 15-May-2020
- Effective Date
- 01-Jan-2020
- Effective Date
- 01-Mar-2018
- Effective Date
- 01-Nov-2017
- Effective Date
- 01-Apr-2017
- Effective Date
- 01-Apr-2016
- Effective Date
- 01-May-2013
- Effective Date
- 01-May-2013
- Effective Date
- 01-Apr-2012
- Effective Date
- 01-Nov-2011
- Effective Date
- 01-Oct-2011
- Effective Date
- 01-Oct-2011
- Effective Date
- 01-Jun-2011
- Effective Date
- 01-Jun-2010
- Effective Date
- 01-Jun-2010
Overview
ASTM D7640-16(2021) - Standard Specification for Engine Coolant Grade Glycerin - outlines the critical requirements and test methodologies for glycerin used as a base in engine coolants. This international standard, established by ASTM International, specifies the chemical and physical properties necessary to ensure glycerin's suitability for engine cooling systems. By adhering to this specification, manufacturers and users can maintain consistent product quality, optimize cooling performance, and meet regulatory expectations for engine coolant applications.
Key Topics
- Product Definition: Engine coolant grade glycerin (1,2,3-Propanetriol, also known as glycerol or glycerine) is the subject of this specification, with strict criteria for purity and composition.
- Physical and Chemical Properties: The standard requires:
- Minimum glycerin content of 99.5% by mass
- Specific limits for impurities such as methanol, fatty acids, esters, ash, and water
- Defined pH levels and relative density
- Maximum permissible levels of ions and elements (chloride, sulfate, silicon, iron, boron, etc.)
- Requirements for appearance and color to ensure visual clarity
- Testing Methods: The specification refers to standardized ASTM test methods for evaluating each characteristic, such as D7637 for glycerin assay, D7716 for methanol determination, and E202 or D1209 for color.
- Safety and Regulatory Compliance: The standard emphasizes the user's responsibility to establish suitable safety, health, and environmental practices and to comply with local and international regulatory requirements for handling and transportation.
- International Context: Developed in line with World Trade Organization guidelines, ensuring broad international recognition and harmonization in engine coolant manufacturing.
Applications
Engine coolant grade glycerin serves as a base fluid or additive in the formulation of automotive and industrial engine coolants. Its primary applications include:
- Automotive Cooling Systems: Used in passenger vehicles, trucks, and heavy-duty engines to regulate temperature, prevent freezing, and inhibit corrosion.
- Industrial Engines: Suitable for generators, pumps, and industrial machinery requiring reliable cooling fluids.
- Specialty Applications: Particularly valuable in environments where non-toxic, biodegradable, or non-petroleum-based coolants are required, such as in food processing or environmentally sensitive operations.
- Quality Assurance in Manufacturing: By applying ASTM D7640-16(2021), manufacturers can ensure consistency, performance, and safety in their coolant products, minimizing warranty issues and enhancing customer confidence.
Related Standards
For accurate measurement and compliance, ASTM D7640-16(2021) references several other ASTM standards:
- D7637: Determination of glycerin assay by titration
- D7716: Determination of residual methanol in glycerin by gas chromatography
- D7638: Determination of fatty acids and esters
- D1119, D1287: Ash content and pH measurement for engine coolants
- D4052, D1122, D5931: Density and relative density determination methods
- D1209, E202: Color analysis of clear liquids
- D3634, D5827: Chloride, anions, and sulfate content testing
- D6130: Detection of silicon and other elements
- E300: Practice for sampling industrial chemicals
Other relevant documents include guidelines on packaging, labeling, and transport, as well as environmental and health safety practices.
Keywords: engine coolant grade glycerin, ASTM D7640, glycerol specification, glycerine for coolant, engine coolant standards, glycerin purity, coolant chemical requirements.
By following ASTM D7640-16(2021), industry professionals ensure their engine coolant products are reliable, high-quality, and ready for international markets.
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Frequently Asked Questions
ASTM D7640-16(2021) is a technical specification published by ASTM International. Its full title is "Standard Specification for Engine Coolant Grade Glycerin". This standard covers: ABSTRACT This specification covers engine coolant grade glycerin (1, 2, 3 Propanetriol, Glycerol). The chemical and physical property requirements of the engine coolant grade glycerin are provided. SCOPE 1.1 This specification covers engine coolant grade glycerine (1, 2, 3 Propanetriol, Glycerol). 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
ABSTRACT This specification covers engine coolant grade glycerin (1, 2, 3 Propanetriol, Glycerol). The chemical and physical property requirements of the engine coolant grade glycerin are provided. SCOPE 1.1 This specification covers engine coolant grade glycerine (1, 2, 3 Propanetriol, Glycerol). 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
ASTM D7640-16(2021) is classified under the following ICS (International Classification for Standards) categories: 71.100.45 - Refrigerants and antifreezes. The ICS classification helps identify the subject area and facilitates finding related standards.
ASTM D7640-16(2021) has the following relationships with other standards: It is inter standard links to ASTM D5931-20, ASTM D1287-11(2020), ASTM D6130-11(2018), ASTM D5931-13(2017), ASTM D1122-16(2017)e1, ASTM D1122-16, ASTM D5931-13, ASTM D1122-13, ASTM E202-12, ASTM D6130-11, ASTM D7716-11a, ASTM D1287-11, ASTM D7716-11, ASTM D7637-10, ASTM D7638-10. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
ASTM D7640-16(2021) is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: D7640 − 16 (Reapproved 2021)
Standard Specification for
Engine Coolant Grade Glycerin
This standard is issued under the fixed designation D7640; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope D3634 Test Method for Trace Chloride Ion in Engine Cool-
ants
1.1 This specification covers engine coolant grade glycerine
D4052 Test Method for Density, Relative Density, and API
(1, 2, 3 Propanetriol, Glycerol).
Gravity of Liquids by Digital Density Meter
1.2 The values stated in SI units are to be regarded as
D5827 Test Method for Analysis of Engine Coolant for
standard. No other units of measurement are included in this
Chloride and Other Anions by Ion Chromatography
standard.
D5931 Test Method for Density and Relative Density of
1.3 This standard does not purport to address all of the Engine Coolant Concentrates and Aqueous Engine Cool-
safety concerns, if any, associated with its use. It is the
ants by Digital Density Meter
responsibility of the user of this standard to establish appro- D6130 Test Method for Determination of Silicon and Other
priate safety, health, and environmental practices and deter-
Elements in Engine Coolant by Inductively Coupled
mine the applicability of regulatory limitations prior to use. Plasma-Atomic Emission Spectroscopy
1.4 This international standard was developed in accor-
D7637 Test Method for Determination of Glycerin Assay by
dance with internationally recognized principles on standard- Titration (Sodium Meta Periodate)
ization established in the Decision on Principles for the
D7638 Test Method for Determination of Fatty Acids and
Development of International Standards, Guides and Recom- Esters in Glycerin
mendations issued by the World Trade Organization Technical
D7716 Test Method for Determination of Residual Methanol
Barriers to Trade (TBT) Committee. in Glycerin by Gas Chromatography
E202 Test Methods for Analysis of Ethylene Glycols and
2. Referenced Documents
Propylene Glycols
E300 Practice for Sampling Industrial Chemicals
2.1 ASTM Standards:
D1122 Test Method for Relative Density of Engine Coolant
3. Requirements
Concentrates and Engine Coolants By The Hydrometer
3.1 Engine coolant grade glycerin shall conform to the
D1119 Test Method for Percent Ash Content of Engine
chemical and physical property requirements in Table 1.
Coolants
D1209 Test Method for Color of Clear Liquids (Platinum-
4. Sampling
Cobalt Scale)
4.1 Sample glycerin in accordance with the appropriate
D1287 Test Method for pH of Engine Coolants and Antirusts
sections of Practice E300 for liquid samples.
5. Packaging and Package Marking
This specification is under the jurisdiction of ASTM Committee D15 on Engine
5.1 The packaging, labeling, and transportation of commer-
...
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