An introduction to ash-content testing of rubber chemicals, not a universal finished-part performance score.
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What the result means
The named materials include sulfur, p-phenylenediamine antioxidants and benzothiazole sulfenamide accelerators. Match the report to the material actually tested. ASTM lists quality control, product acceptance, research and development as uses.
Scope and limits
Keep the method and tested material with the result. This overview sets no acceptance limits and does not predict finished-part life. This is buyer education, not a laboratory procedure.
Read the ASTM source: ASTM D4574-22