Are you worried that your outdoor paint will soon be eclipsed or even crack under the sunlight?
Or for the sake of beauty, or to reduce the damage to products exposed to light, rain, moisture and other environments, the paint and coating came into being. Solar radiation is unavoidable for every product exposed to the outdoors, yet coating is an efficient way to avoid further damage.
The main culprit of paint damage or coating damage: ultraviolet light
The composition of solar energy is approximately 5% ultraviolet light; 42% visible light and 53% near infra-red radiation. The impact of solar radiation on the product is mainly caused by infra-red radiation (Thermal effect) and ultraviolet light (Photochemical effect). In this paper, we discuss the photochemical effects caused by the ultraviolet spectrum (wavelength 0.28~0.4μm) of solar radiation energy.
What is the ASTM D4587 standard?
ASTM D4587-11: Standard Practice for Fluorescent UV-Condensation Exposures of Paint
The ASTM D4587 standard is a test method used to determine the resistance of paint and similar coatings to water and humidity. It is a widely recognized standard in the paint and coating industry for evaluating a coating's ability to withstand environmental conditions such as moisture and humidity. This standard is meant to ensure that the coating meets the required levels of performance, durability, and quality. Adhering to the ASTM D4587 standard helps manufacturers create coatings that can function effectively in harsh environments, such as marine or industrial settings.
The ASTM D4587 standard outlines the procedure and provides guidance for testing coating systems on steel structures for their resistance to various environmental elements such as water, corrosion, and UV radiation. The main content of the standard includes the preparation of test specimens, the application of coatings, the exposure of specimens to a range of environmental conditions, and the evaluation of test results. The standard also specifies the requirements for equipment, calibration, and data recording. ASTM D4587 provides a reliable and repeatable method for testing the durability and performance of coating systems, which is essential for ensuring the longevity and protection of steel structures in various harsh environments. This standard is widely used in the coating industry and has become a critical reference for regulating coatings of steel structures in many countries around the world.
LIB ASTM D4587 test chamber
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UV Lamp:UVA 340,UVB313; |
Xi'an Jiaotong University Highly Recognizes LIB ASTM D4587 Test Chamber
To support advanced research on coating durability and material aging, Xi'an Jiaotong University selected LIB ASTM D4587 Test Chamber
for UV and condensation exposure testing. The chamber enables researchers to simulate long-term outdoor conditions, including ultraviolet radiation, moisture, and temperature variations, helping evaluate the weathering resistance and service life of coatings.
After practical application, Xi'an Jiaotong University highly recognized the performance of the LIB ASTM D4587 Test Chamber. The researchers appreciated its stable operation, precise environmental control, and excellent testing repeatability. The chamber maintains accurate UV irradiance, temperature, and condensation conditions, ensuring reliable and consistent test results during long-term exposure experiments.
The university also valued the equipment's user-friendly operation, automatic control system, and durable chamber structure, which improve testing efficiency and reduce daily maintenance requirements. The uniform UV exposure and efficient water spray cycle system allow researchers to conduct coating aging evaluations more conveniently and accurately.
In addition, LIB's professional technical support and responsive service provided strong assistance throughout the equipment installation and operation process. With reliable performance and comprehensive support, the LIB ASTM D4587 Test Chamber helps Xi'an Jiaotong University advance coating research and develop materials with improved outdoor durability.
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Contact LIB Industry today to discuss your ASTM D4587 testing requirements and find the right solution for your laboratory.
