ASTM D4670-17(2022)e1
(Test Method)Standard Test Method for Polyurethane Raw Materials: Determination of Suspended Matter in Polyols
Standard Test Method for Polyurethane Raw Materials: Determination of Suspended Matter in Polyols
SIGNIFICANCE AND USE
4.1 This test method is suitable as a quality control or specification test.
SCOPE
1.1 This test method covers a procedure for visual inspection to determine the presence of insoluble foreign material in polyols.
1.2 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.
Note 1: There is no known ISO equivalent to this standard.
1.3 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
- 30-Jun-2022
- Technical Committee
- D20 - Plastics
- Drafting Committee
- D20.22 - Cellular Materials - Plastics and Elastomers
Relations
- Effective Date
- 01-Feb-2024
- Effective Date
- 01-Nov-2023
- Effective Date
- 01-Jan-2020
- Effective Date
- 01-Aug-2019
- Effective Date
- 15-Apr-2019
- Effective Date
- 01-Feb-2019
- Effective Date
- 01-Dec-2018
- Effective Date
- 01-Nov-2018
- Effective Date
- 15-Aug-2017
- Effective Date
- 15-Nov-2012
- Effective Date
- 15-May-2011
- Effective Date
- 01-Mar-2008
- Effective Date
- 01-May-2007
- Effective Date
- 10-Aug-2000
Overview
ASTM D4670-17(2022)e1 is the standard test method developed by ASTM International for the determination of suspended matter in polyols used as raw materials for polyurethane production. This method provides a simple and practical procedure for visually detecting insoluble foreign materials in polyols, which is crucial for quality control and meeting specification requirements in the polyurethane industry. The standard ensures uniform inspection practices, enhancing the reliability and safety of polyurethane materials used in various applications.
Key Topics
- Scope: The standard covers the visual inspection process to identify the presence or absence of suspended or insoluble matter in polyols. It does not provide specific quantitative analysis, but offers a straightforward qualitative approach suitable for routine checks.
- Quality Control: Detecting suspended matter helps manufacturers maintain strict quality standards for polyols used in polyurethane production, which can impact product performance and safety.
- Safety and Environmental Responsibility: The standard emphasizes that users must establish proper safety, health, and environmental practices and assess regulatory compliance before implementing the test method.
- Absence of ISO Equivalent: As of its latest revision, there is no directly corresponding ISO standard for this particular test, making ASTM D4670-17(2022)e1 the primary international reference for this application.
Applications
This standard is widely applied in the polyurethane raw materials industry, specifically during:
- Manufacturing of Polyols: Quality assurance teams use this method to inspect batches for the presence of contaminants before further processing or shipment.
- Incoming Material Inspection: Polyurethane manufacturers utilize the procedure to verify the purity of polyols received from suppliers.
- Specification Testing: The method serves as a routine specification test to ensure polyols meet defined quality benchmarks crucial for manufacturing high-performance polyurethane products such as foams, elastomers, adhesives, and coatings.
By facilitating early detection of suspended matter, ASTM D4670-17(2022)e1 helps minimize risks of defects, equipment fouling, or failures in downstream polyurethane products.
Related Standards
- ASTM D883 - Terminology Relating to Plastics: Provides key definitions and terminology used throughout plastics standards, including that in D4670.
- Polyurethane Material Analysis Standards: This standard was recommended by the Center for the Polyurethanes Industry Polyurethane Raw Material Analysis Workgroup and operated under ASTM Committee D20 on Plastics, specifically Subcommittee D20.22 on Cellular Materials - Plastics and Elastomers.
- WTO TBT Principles: The development of this international standard aligns with globally recognized principles as described by the World Trade Organization’s Technical Barriers to Trade (TBT) Committee.
While there is no ISO equivalent, referencing ASTM D4670-17(2022)e1 ensures harmonization with international best practices in polyol quality control and polyurethane manufacturing.
Keywords: ASTM D4670-17(2022)e1, suspended matter, polyols, polyurethane raw materials, visual inspection, quality control, plastics standards, ASTM International, polyurethane industry, specification test
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Frequently Asked Questions
ASTM D4670-17(2022)e1 is a standard published by ASTM International. Its full title is "Standard Test Method for Polyurethane Raw Materials: Determination of Suspended Matter in Polyols". This standard covers: SIGNIFICANCE AND USE 4.1 This test method is suitable as a quality control or specification test. SCOPE 1.1 This test method covers a procedure for visual inspection to determine the presence of insoluble foreign material in polyols. 1.2 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. Note 1: There is no known ISO equivalent to this standard. 1.3 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.
SIGNIFICANCE AND USE 4.1 This test method is suitable as a quality control or specification test. SCOPE 1.1 This test method covers a procedure for visual inspection to determine the presence of insoluble foreign material in polyols. 1.2 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. Note 1: There is no known ISO equivalent to this standard. 1.3 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 D4670-17(2022)e1 is classified under the following ICS (International Classification for Standards) categories: 83.040.30 - Auxiliary materials and additives for plastics; 83.080.20 - Thermoplastic materials. The ICS classification helps identify the subject area and facilitates finding related standards.
ASTM D4670-17(2022)e1 has the following relationships with other standards: It is inter standard links to ASTM D883-24, ASTM D883-23, ASTM D883-20, ASTM D883-19c, ASTM D883-19a, ASTM D883-19, ASTM D883-18a, ASTM D883-18, ASTM D883-17, ASTM D883-12e1, ASTM D883-11, ASTM D883-08, ASTM D883-07, ASTM D883-00. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
ASTM D4670-17(2022)e1 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.
´1
Designation: D4670 − 17 (Reapproved 2022)
Standard Test Method for
Polyurethane Raw Materials: Determination of Suspended
Matter in Polyols
This standard is issued under the fixed designation D4670; 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.
ε NOTE—Reapproved with editorial changes in July 2022.
1. Scope 3. Terminology
1.1 This test method covers a procedure for visual inspec-
3.1 Terminology in this test method is in accordance with
tion to determine the presence of insoluble foreign material in
Terminology D883.
polyols.
1.2 This standard does not purport to address all of the
4. Significance and Use
safety concerns, if any, associated with its use. It is the
4.1 This test method is suitable as a quality control or
responsibility of the user of this standard to establish appro-
specification test.
priate safety, health, and environmental practices and deter-
mine the applicability of regulatory limitations prior to use.
5. Procedure
NOTE 1—There is no known ISO equivalent to this standard.
5.1 Invert a colorless, transparent glass bottle containing the
1.3 This international standard was developed in accor-
well-mixed sample and examine by transmitted light for the
dance with internationally recognized principles on standard-
presence of suspended matter.
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical 6. Report
Barriers to Trade (TBT) Committee.
6.1 Report the presence or absence of suspended matter.
2. Referenced Documents
7. Precision and Bias
2.1 ASTM Standards:
D883 Terminology Relating to Plastics
7.1 No statement is made about the precision or the bias
since this test method merely states whether suspended matter
This test method is under the jurisdiction ofASTM Committee D20 on Plastics
is detected or not.
a
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