Elasticity Testing Model 312

Mandrel bending test, Cone mandrel: 1/8 – 1 ½” (3.2 – 38.1 mm)

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The mandrel bending test is a widespread test method for evaluating the ductility and adhesive strength of coatings under bending stress. The test result is either the crack length, starting from the thin end of the mandrel, or the mandrel diameter at the crack end.