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Normas DIN – AENOR
DIN EN ISO 20567-2:2017-07

DIN EN ISO 20567-2:2017-07

Paints and varnishes - Determination of stone-chip resistance of coatings - Part 2: Single-impact test with a guided impact body (ISO 20567-2:2017); German version EN ISO 20567-2:2017

Peintures et vernis - Détermination de la résistance des revêtements aux impacts de cailloux - Partie 2: Essai de choc simple par corps percutant guidé (ISO 20567-2:2017); Version allemande EN ISO 20567-2:2017

Beschichtungsstoffe - Prüfung der Steinschlagfestigkeit von Beschichtungen - Teil 2: Einzelschlagprüfung mit geführtem Schlagkörper (ISO 20567-2:2017); Deutsche Fassung EN ISO 20567-2:2017

Fecha:
2017-07 /Active
Equivalencias internacionales:

EN ISO 20567-2 (2017-02)

ISO 20567-2 (2017-01)

Relación con otras normas DIN:
Resumen:
This standard specifies a method for the evaluation of the resistance of automobile finishes and other coatings to the impact of a wedge-shaped body projected onto the surface under test to simulate the impact of stones. The stone-chip resistance of the coating under test is checked by projecting a defined impact body onto it. The impact body used in the test has a wedge-shaped cutting edge to obtain a damage pattern equivalent to that produced in a multi-impact test. The wedge-shaped impact body is pushed onto the coating under test by the transmission of a pulse of energy from a steel ball accelerated using compressed air. Loose fragments of coating material are removed. The stone-chip resistance is evaluated by measuring the total width of the delaminated coating, including the mark left by the wedge.
Keywords:
Automobiles, Coat of varnishes, Coating materials, Coatings, Granulates, Impact, Impact testing, Instruments, Methods, Motor vehicles, Painting, Paints, Procedures, Proof firing tests, Rock fall, Strength of materials, Surfaces, Test equipment, Test reports, Testing, Varnishes, Vehicles, Wedge shape
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