ASTM D4670-07
(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
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 and health practices and determine the applicability of regulatory limitations prior to use.
Note 1—There is no similar or equivalent ISO standard.
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Designation: D4670 − 07
StandardTest Method for
Polyurethane Raw Materials: Determination of Suspended
1
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.
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.
4. Significance and Use
1.2 This standard does not purport to address all of the
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 and health practices and determine the applica-
5. Procedure
bility of regulatory limitations prior to use.
5.1 Invert a colorless, transparent glass bottle containing the
NOTE 1—There is no similar or equivalent ISO standard.
well-mixed sample and examine by transmitted light for the
2. Referenced Documents
presence of suspended matter.
2
2.1 ASTM Standards:
D883 Terminology Relating to Plastics
6. Report
6.1 Report the presence or absence of suspended matter.
1
This test method is under the jurisdiction ofASTM Committee D20 on Plastics
and is the direct responsibility of Subcommittee D20.22 on Cellular Materials -
7. Precision and Bias
Plastics and Elastomers. It was recommended to ASTM by the Society of The
Plastics Industry Polyurethane Raw Materials Analysis Committee.
7.1 No statement is made about the precision or the bias
Current edition approved Nov. 1, 2007. Published November 2007. Originally
since this test method merely states whether there is confor-
approved in 1987. Last previous edition approved in 2002 as D4670 – 97(2002).
mance to the criteria for success specified in the procedure.
DOI: 10.1520/D4670-07.
2
For
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:D4670–97 (Reapproved 2002) Designation: D 4670 – 07
Standard Test Method for
Polyurethane Raw Materials: Determination of Suspended
1
Matter In Polyols
This standard is issued under the fixed designation D 4670; 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 (e) indicates an editorial change since the last revision or reapproval.
1. 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 and health practices and determine the applicability of regulatory
limitations prior to use.
NOTE 1—There is no similar or equivalent ISO standard.
2. Referenced Documents
2
2.1 ASTM Standards:
D 883 Terminology Relating to Plastics
3. Terminology
3.1 Terminology in this test method is in accordance with Terminology D 883.
4. Significance and Use
4.1 This test method is suitable as a quality control or specification test.
5. Procedure
5.1 Invert a colorless, transparent glass bottle containing the well-mixed sample and examine by transmitted light for the
presence of suspended matter.
6. Report
6.1 Report the presence or absence of suspended matter.
7. Precision and Bias
7.1 No statement is made about the precision or the bias since this test method merely states whether there is conformance to
the criteria for success specified in the procedure.
8. Keywords
8.1polyols; polyurethane raw materials; suspended matter
8.1 polyols; polyurethane raw materials; suspended matter
SUMMARY OF CHANGES
Committee D20 has identified the location of selected changes to this standard since the last issue
(D 4670 – 97(02)) that may impact the use of this st
...
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