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Which properties are used to measure the mechanical performance of organic coatings?
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To measure the mechanical performance of organic coatings, several thermomechanical properties are evaluated to determine how a coating responds to stress. These characteristic properties include:
- Hardness
- Elastic modulus
- Glass transition temperature
- Toughness
- Abrasion resistance
In addition to these, adhesion to the substrate is a critical property specific to organic coatings. While the mechanisms of adhesion are complex, performance is often assessed using empirical methods such as peel tests and scribe tests.1