La présente norme décrit un essai qui peut être soit un essai tout ou rien à hauteur de chute et masse spécifiées, soit un essai permettant de déterminer une hauteur et une masse à partir desquelles le feuil se détériore.
<p>ISO 6272-1:2002 describes a method for evaluating the resistance of a dry film of paint, varnish or related product to cracking or peeling from a substrate when it is subjected to a deformation caused by a falling weight, with a 20-mm-diameter spherical indenter, dropped under standard conditions.</p> <p>The method described can be applied</p> <ul><li>either as a pass/fail test, the test being carried out from one drop height and with a specified mass, so as to test compliance with a particular specification;</li><li>or as a classification test, to determine the minimum mass and/or drop height for which the coating cracks or peels from its substrate by gradually increasing the drop height and/or the mass.</li></ul>
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