ASTM D6979
Standard Test Method for Polyurethane Raw Materials: Determination of Basicity in Polyols, Expressed as Percent Nitrogen
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About This Item
ASTM D6979 is a test method for polyurethane raw materials that addresses the determination of basicity in polyols, with results expressed as percent nitrogen. It is relevant when a consistent, standardized approach is needed to evaluate basicity in materials used for polyurethane formulations. By providing a common technical reference, this standard helps support more reliable testing, comparison of results, and quality-focused material control in commercial and laboratory settings.
ASTM D6979 standard overview
The ASTM D6979 standard focuses on measuring the basicity of polyols, a key polyurethane raw material, and reporting the result as percent nitrogen. As a test method, it is intended to guide how the measurement is carried out so results can be generated in a repeatable and comparable way. This makes the standard useful for users who need a clear technical basis for evaluating polyol chemistry, verifying material consistency, or supporting product specification work.
Where is ASTM D6979 used?
This standard is commonly used in polyurethane raw material testing, especially where polyols must be checked for basicity as part of incoming inspection, process control, or laboratory evaluation. It may also be used by suppliers, manufacturers, and quality teams that need a recognized method for characterizing polyol materials before they are used in polyurethane systems. ASTM D6979 is most relevant wherever consistent test data are needed to support material qualification and comparison.
Practical importance of ASTM D6979
In practice, ASTM D6979 helps organizations apply a consistent method when basicity in polyols needs to be measured and reported. That consistency can support product evaluation, procurement decisions, and quality control programs by reducing ambiguity around test results. It also helps align internal and external testing practices, which may lower the risk of mismatched material data and improve confidence in polyurethane raw material assessments.
- Polyol basicity determination
- Percent nitrogen reporting
- Polyurethane raw material testing
- Quality control and verification
- Standardized laboratory method
- Publication Date: 2024-02-22
- Publisher: ASTM
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