ASTM E1877 describes the determination of thermal endurance, thermal index, and relative thermal index for organic materials using the Arrhenius activation energy generated by thermogravimetry. Thermogravimetry provides a rapid method for the determination of the temperature-decomposition profile of a material. This practice is useful for quality control, specification acceptance, and research. This test method is intended to provide an accelerated thermal endurance estimation in a fraction of the time required for oven-aging tests. The primary product of this test method is the thermal index (temperature) for a selected estimated thermal endurance (time) as derived from material decomposition.
KeywordsDecomposition Profile - Organic Materials - Thermal Decomposition - Thermal Endurance - Thermal Index - Thermogravimetric Analysis
ICS CODEICS Number Code 71.040.40 (Chemical analysis)
ASTM E1877-17, Standard Practice for Calculating Thermal Endurance of Materials from Thermogravimetric Decomposition Data, ASTM International, West Conshohocken, PA, 2017, www.astm.org