ASTM D822
Standard Practice for Filtered Open-Flame Carbon-Arc Exposures of Paint and Related Coatings
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About This Item
ASTM D822 is the ASTM standard titled Standard Practice for Filtered Open-Flame Carbon-Arc Exposures of Paint and Related Coatings. It is used to describe a controlled exposure method for evaluating how paints and related coatings respond to light and weathering conditions simulated by a filtered open-flame carbon-arc source. This matters because consistent exposure practices help support more reliable comparison of coating performance, durability, and quality expectations across testing programs.
Purpose of ASTM D822
The purpose of ASTM D822 is to provide a standardized practice for filtered open-flame carbon-arc exposures of paint and related coatings. In practical terms, it helps laboratories and quality teams apply a consistent method when assessing changes that may occur after exposure to a defined light source. By using a common ASTM standard, users can better compare results from different test runs, support technical evaluation, and align testing with recognized performance practices for coated materials.
Common use cases of ASTM D822
ASTM D822 is commonly used in coating testing programs where paint, finish systems, or related coating materials need controlled exposure under a filtered carbon-arc light source. It may be used during product development, qualification testing, or routine comparison of coating performance over time. The standard is also relevant for laboratories, manufacturers, and quality control teams that need a repeatable practice for evaluating exposed samples in a way that supports consistent technical review.
Why ASTM D822 matters
ASTM D822 matters because standardized exposure practices help reduce uncertainty when comparing coating performance results. For procurement, product evaluation, and quality control, a recognized ASTM method supports clearer communication between suppliers, laboratories, and customers. Using ASTM D822 can help improve consistency in testing workflows and reduce the risk of relying on informal or inconsistent exposure conditions. That makes it a useful reference for organizations that need dependable, reproducible coating assessment data.
- Filtered open-flame carbon-arc exposure practice
- Paint and related coating evaluation
- Controlled comparison of exposure results
- Supports laboratory and quality workflows
- Useful for standardized performance review
- Publication Date: 2023-12-15
- Publisher: ASTM
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