ASTM G222
Standard Practice for Estimation of UV Irradiance Received by Field-Exposed Products as a Function of Location
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About This Item
ASTM G222 is a practical standard for estimating the UV irradiance received by field-exposed products as a function of location. It helps users relate ultraviolet exposure to where a product is used outdoors, supporting more informed durability and weathering assessments. By providing a standardized practice for location-based estimation, ASTM G222 can improve consistency in product evaluation, comparison, and technical decision-making when sunlight exposure is a relevant performance factor.
Overview of ASTM G222
The Standard Practice for Estimation of UV Irradiance Received by Field-Exposed Products as a Function of Location focuses on how geographic location can influence ultraviolet exposure for products used in the field. ASTM G222 is useful when teams need a repeatable way to estimate UV conditions tied to outdoor service environments. The standard is generally relevant to technical planning, performance assessment, and test-related decisions where exposure to solar UV radiation may affect material behavior or service life.
Common use cases of ASTM G222
ASTM G222 is commonly used when evaluating products that are exposed outdoors and may be affected by UV radiation over time. It can support engineering groups, quality teams, and test planners that need to estimate location-specific exposure during product development or field performance review. The standard is also useful in durability studies, weathering-related comparisons, and procurement discussions where expected service environment is part of the specification or compliance review.
Benefits of using ASTM G222
Using ASTM G222 can help improve consistency when estimating UV irradiance across different locations, which is important for comparison and documentation. It supports more reliable technical planning by giving users a structured practice for relating exposure to geography. For organizations involved in product evaluation or quality control, the standard may reduce uncertainty, improve communication around environmental exposure, and strengthen decisions tied to performance expectations and risk reduction.
- Location-based UV exposure estimation
- Outdoor product performance planning
- Durability and weathering assessment support
- Consistent technical review and documentation
- Publication Date: 2021-07-14
- Publisher: ASTM
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