Impact Test Astm D2794 Link

1. Overview and Scope ASTM D2794 is a standardized test method used to determine the resistance of a dry, cured organic coating (paint, lacquer, varnish, or related product) to cracking or detachment from a metal substrate when subjected to sudden, rapid deformation (impact).

A weighted, hemispherical-tipped indenter (diameter: 0.625 in or 15.9 mm) is dropped from a specific height onto the coated side (or reverse side) of a test panel, causing rapid indentation. The coating is then evaluated for cracking or loss of adhesion. impact test astm d2794

This test is critical for industries where coated metal parts are exposed to mechanical abuse during manufacturing, assembly, transportation, or end-use (e.g., automotive body panels, appliances, coil-coated siding, drum coatings). cured organic coating (paint