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 a widely recognized international standard published by ASTM International. The standard outlines a test method specifically designed for the polyurethane industry, focusing on the determination of suspended matter in polyols (polyurethane raw materials). This visual inspection procedure provides a critical tool for quality control, ensuring that polyols are free from insoluble foreign materials that could interfere with both manufacturing processes and finished product performance. By establishing a consistent method for inspecting polyols, ASTM D4670-17(2022)e1 helps manufacturers, suppliers, and quality control professionals maintain high standards of product integrity and compliance.
Key Topics
Scope and Purpose:
- The standard specifies a straightforward visual inspection technique to detect suspended matter in polyol samples.
- This method supports product quality control and ensures materials meet established specifications prior to use in polyurethane manufacturing.
- Users must ensure compliance with all relevant safety, health, and environmental regulations when applying this test.
Test Procedure:
- A well-mixed sample of polyol is placed in a colorless, transparent glass bottle, inverted, and examined under transmitted light.
- The presence or absence of suspended (insoluble) material is noted, providing an immediate assessment of contamination.
Reporting:
- Results are reported simply as either the presence or absence of suspended matter, aiding in quick decision-making for material acceptance or rejection.
Precision and Bias:
- The method is qualitative; it does not quantify amounts of suspended matter, but rather verifies its presence, making it ideal for routine inspection rather than detailed analysis.
Applications
ASTM D4670-17(2022)e1 is an essential tool for entities involved in the production, supply, and quality assurance of polyurethane raw materials, specifically polyols. Applications include:
- Quality Control Laboratories: Ensuring batches of polyols are free from visible impurities prior to further processing or shipment.
- Manufacturing Facilities: Screening incoming raw materials for suspended contaminants, preventing downstream process disruptions and maintaining product consistency.
- Material Certification: Providing stakeholders and end users with confidence that supplied polyols meet established criteria for cleanliness and suitability.
- Purchase Specification: Allowing both buyers and sellers to reference a standardized method, streamlining supply agreements and reducing disputes related to material quality.
Related Standards
While ASTM D4670-17(2022)e1 is unique and there is no direct ISO equivalent available, several related ASTM standards may be relevant for organizations dealing with polyurethane materials and polyol analysis:
- ASTM D883 - Terminology Relating to Plastics
- Other ASTM standards in the D20 series (related to plastics and elastomers) may provide valuable complementary guidance for broader material testing and specification.
For further details and access to referenced documents, visit the official ASTM website.
Keywords: ASTM D4670, determination of suspended matter, polyols inspection, polyurethane raw materials, quality control in polyols, polymer industry standards, ASTM polyol test, polyol contaminants detection
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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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