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SAE J2527 is a performance-based standard for accelerated weathering that uses a xenon arc light source to simulate outdoor exposure conditions for automotive exterior materials. This test helps predict how materials will withstand long-term exposure to sunlight, heat, and moisture.
SAE J2527 testing evaluates the durability and resistance of automotive exterior materials to environmental stressors such as UV radiation, temperature fluctuations, and humidity.
ACT uses xenon arc equipment to closely mimic real-world outdoor exposure conditions for accurate and reproducible results.
Testing involves specific conditions such as controlled irradiance, temperature cycles, and humidity levels to simulate real-world exposure.
ACT provides detailed reports documenting changes in color, gloss, and physical integrity throughout the testing process.
ACT offers quick turnaround times for testing and reporting to keep your projects on schedule.
SAE J2527 testing is used to help ensure automotive materials can withstand harsh environmental conditions without degrading.
Results from SAE J2527 testing typically include evaluations of:
SAE J2527 can be combined with other tests to provide a more thorough evaluation of material durability, including:
Secondary tests are often recommended to complement SAE J2527 results, such as:
The SAE J2527 test involves specific conditions such as controlled irradiance, temperature cycles, and humidity levels to simulate real-world exposure.
While SAE J2527 is effective for simulating outdoor conditions, it may not be ideal for materials that are primarily exposed to indoor environments or specific chemical exposures.
SAE J2527 is used for coatings or substrates that experience significant UV exposure, or parts used in environments with significant outdoor exposure.
SAE J2527 is widely used in industries such as automotive, aerospace, and military to help evaluate reliability and durability of exterior materials under environmental conditions.
A typical SAE J2527 workflow includes:
ACT uses specialized xenon arc equipment with controlled irradiance and temperature cycles to perform SAE J2527 tests.
| Parameter | Value |
|---|---|
| Inner lamp filter | Quartz |
| Outer lamp filter | Borosilicate |
| Lamp irradiance level | 0.55 watts/m²/nm |
| Chamber air temperature – light cycle | 47°C |
| Chamber air temperature – dark cycle | 38°C |
| Chamber relative humidity – light cycle | 50% |
| Chamber relative humidity – dark cycle | 95% |
| Black panel temperature – light cycle | 70°C |
| Black panel temperature – dark cycle | 38°C |
| Timing of light/dark cycle with sample surface spray |
Here are some common questions about the SAE J2527 test:
SAE J2527 is specifically designed for automotive exterior materials, while ASTM G155 covers a broader range of materials and conditions.
The test duration varies but typically involves several cycles over a period of weeks to months.
Clients need to provide details about the material type, intended use, and specific environmental conditions the material will be exposed to.
If you're planning an SAE J2527 program, contact ACT Test Panels to discuss sample requirements, reporting, and timing.
