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
Current Stage
Ref Project

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ASTM D4670-17(2022)e1 - Standard Test Method for Polyurethane Raw Materials: Determination of Suspended Matter in Polyols
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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.
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