https://www.avient.com/knowledge-base/article/understanding-hardness
Flexural modulus measures the materials’ resistance to bending, and hardness measures the materials’ resistance to penetration.
Creep resistance and tensile strength are also directly related.
Generally, higher hardness materials have better abrasion resistance.
https://www.avient.com/sites/default/files/resources/Specialty%2520Inks%2520-%2520BU%2520Overview.pdf
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