Astm D2794 | Pdf |best|

ASTM D2794 is the industry standard for measuring the impact resistance of organic coatings (like paint and varnish) when subjected to rapid deformation. Its primary "good feature" is its ability to predict real-world durability by simulating accidental impacts that occur during manufacturing or daily use. Key Features of ASTM D2794

1. Substrate Thickness: Thicker metal deforms less. Standard often calls for 0.032-inch aluminum.
2. Curing Temperature: Under-cured powder coatings are soft and fail easily. Over-cured coatings are brittle and crack.
3. Coating Thickness: Thick coatings (>5 mils) generally have lower impact resistance.
4. Temperature & Humidity: Cold coatings are brittle. The standard specifies conditioning (usually 24 hours at 73°F ± 3.6°F).

Compare ASTM D2794 with the ISO 6272 (international) impact test? Help you find equipment manufacturers for impact testers? astm d2794 pdf

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