ASTM D5380

ASTM D5380 is the standard test method for identifying crystalline pigments and extenders in paint by X-ray diffraction analysis. It provides a technical approach for distinguishing crystalline materials that may be present in coating formulations, supporting more reliable material evaluation and quality control. For laboratories, manufacturers, and product reviewers, this ASTM standard helps create a consistent basis for identifying components in paint systems when crystalline phases need to be confirmed or compared.

ASTM D5380 standard overview

The ASTM D5380 standard focuses on a test method that uses X-ray diffraction analysis to identify crystalline pigments and extenders in paint. Its purpose is to support the identification of crystalline substances based on diffraction patterns, which can be useful when characterizing coating materials or checking formulation details. As a technical document, it is relevant wherever paint composition needs to be examined with a structured analytical method and a consistent reference for comparison.

Where is ASTM D5380 used?

This standard is commonly used in paint and coatings laboratories where crystalline pigments and extenders may need to be identified during testing or product evaluation. It is also relevant in quality control workflows, material verification, and troubleshooting when a coating’s composition must be checked against expected ingredients. ASTM D5380 may support analytical work involving X-ray diffraction equipment and related laboratory procedures for examining paint samples.

Practical importance of ASTM D5380

ASTM D5380 matters because it helps make identification of crystalline components in paint more consistent and defensible. That can support compliance efforts, supplier verification, and internal quality control decisions. By relying on a defined X-ray diffraction-based test method, organizations may reduce uncertainty when evaluating pigments and extenders, especially when comparing batches or investigating formulation differences. It is a practical reference for technical teams that need repeatable analytical results.

• Crystalline pigment identification
• Extender analysis in paint
• X-ray diffraction-based testing
• Quality control and verification
• Laboratory evaluation of coating materials