ASTM E698

ASTM E698 is a standard test method for determining kinetic parameters for thermally unstable materials using differential scanning calorimetry and the Flynn/Wall/Ozawa method. It is intended to help characterize how a material responds as temperature changes, which can support safer handling, better product evaluation, and more consistent technical decision-making. By defining a recognized testing approach, this ASTM standard helps laboratories and organizations compare results with greater confidence.

ASTM E698 standard overview

The ASTM E698 standard focuses on kinetic analysis for materials that may undergo thermal instability. Its title indicates the use of differential scanning calorimetry, a common thermal analysis technique, together with the Flynn/Wall/Ozawa method to estimate kinetic parameters. As a product-page reference, it is useful for buyers and technical teams who need a recognized document describing how this type of thermal testing is performed and interpreted. ASTM E698 supports more consistent evaluation of thermal behavior.

Where is ASTM E698 used?

ASTM E698 is commonly used in laboratory and engineering settings where thermal analysis data is needed for materials that may react or decompose with heat. It is relevant to workflows that rely on differential scanning calorimetry equipment and on test programs that assess thermal stability, reaction behavior, or kinetic trends. The standard is a practical reference for organizations comparing material performance, reviewing safety-related thermal data, or supporting internal quality and development testing.

Practical importance of ASTM E698

This standard matters because it gives users a recognized method for estimating kinetic parameters in a controlled and repeatable way. That can improve consistency across testing, support compliance-oriented documentation, and reduce uncertainty when evaluating thermally unstable materials. For procurement and quality control teams, ASTM E698 also helps define a clearer technical basis for selecting testing services, reviewing reports, and comparing results from different laboratories or product batches.

• Differential scanning calorimetry-based evaluation
• Kinetic parameter determination
• Flynn/Wall/Ozawa method
• Thermally unstable materials
• Consistent thermal testing reference