An introduction to thermogravimetric analysis of rubber compounds, with organics, carbon black and ash reported as mass fractions.

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What the result means

ASTM D6370-23 uses thermogravimetry to measure organics (oil and polymer), carbon black and ash (filler) in a rubber compound. It supports quality control, material screening and comparison with a known material.

Scope and limits

Keep the method edition, atmosphere and heating program with the results. Some fillers decompose during the test and need additional knowledge and corrections. A compositional breakdown is not a finished-part performance guarantee. This is buyer education, not a laboratory procedure.

Read the ASTM source: ASTM D6370-23

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