A rheometer measures torque as cross-links form during vulcanization. The resulting cure curve is the single most important QC test in rubber. Five numbers matter:
ML (uncured flo...
rubber and compound analysis
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- The Mooney viscometer measures whether uncured rubber will process safely. ML 1+4 is the global standard number for raw-rubber and compound acceptance. Run the test longer and you ...
- Hardness is the most common rubber QC test and the most commonly done wrong. Shore A covers soft-to-medium rubber. Shore D covers hard rubber. IRHD is the only reliable method for ...
