Analysis on the principle and use of UV ultraviolet aging box

The basic principle of UV aging box: UV aging test box natural sunlight and moisture damage the material, causing incalculable economic loss every year. The damage caused mainly includes fading, yellowing, discoloration, decrease in strength, embrittlement, oxidation, decrease in brightness, cracking, blurring and chalking. Products and materials exposed to sunlight directly or through glass windows have the greatest risk of being affected by light damage. Materials exposed to fluorescent lamps, halogen lamps or other light-emitting lamps for a long time are also affected by photodegradation. UV aging box use: The ultraviolet aging test box uses a xenon arc lamp that can simulate the full sunlight spectrum to reproduce the destructive light waves existing in different environments, and can provide corresponding environmental simulation and accelerated test data for scientific research, product development and quality control. The aging test is carried out by exposing the material sample to the light and thermal radiation of the xenon arc lamp to evaluate the light resistance and weather resistance of certain materials under the action of high-temperature light sources. It is mainly used for paints, coatings, rubber, plastics, pigments, and adhesives. Agent, fabric, etc. UV aging box structure: 1. Inner box material: SUS imported high-grade stainless steel plate. 2. Outer box material: the surface of cold rolled plate produced by Baosteel is phosphated baking paint. 3. The filter is 5mm tempered glass with low iron content. 4. High-purity alumina board is used for reflecting light. UV aging box control system UV aging test box adopts Korean TEMI brand temperature control instrument, and adopts microcomputer PID temperature controller for temperature control. Irradiance uniformity: ±15% (at the surface of the sample) using a standard Pt-100 temperature sensor to accurately control the surface temperature of the sample during the test process; the light source uses a visible xenon lamp with a rated power of 2500W. The luminous spectrum energy of the lamp tube installed on the top layer of the instrument is mainly concentrated at the wavelength between 300 and 780 nm; according to the test spectrum, the irradiance does not exceed 1 to 3 of the corresponding solar irradiance (average sunlight at 5 noon on the equator in summer) Since the energy output of fluorescent lights will gradually decay over time, in order to reduce the impact of the test caused by the attenuation of light energy, and the GB/T19394-2003 No.5-a requirement of ±15% of the radiation uniformity, this test box The height of the sample test piece can be adjusted. UV ultraviolet aging box parameters: meet the standards: ASTM D4329, ASTM D4587, ASTM D4799, ASTM D5208, ASTM G151, ASTM G154, EN 927-6, EN 1297, EN 1898 FIBC, EN 12224 , EN 13523-10, ISO 4892-1, ISO 4892-3, ISO 11507, ISO 11895, ISO 11997-2, SAE J2020, prEN 1062-4. Product advantages: Innovative design, compared with other ultraviolet fluorescent aging test chambers, achieves higher standards in terms of performance characteristics, ease of use, accuracy and safety, and its verification performance meets or exceeds other brands. Multi-language touch screen interface, data collection through Ethernet connection, extremely safe, optional recirculation spray device. More other unique features that are easy to operate and use by users. Product features: 1. 8 40-watt ultraviolet fluorescent tubes 2. Blackboard temperature (BPT) control 3. Safety protection device: double protection of software and hardware after opening the door; low water level protection; over temperature protection, etc. 4. Comply with CE standards and pass UL and CSA certification 5. Sample holder 6. Touch screen display 7. Irradiance calibration safety interface 8. Easy-to-operate sample fixing ring technical parameters: 1. Radiation uniformity: covering 4% of the sample surface 2. Irradiance: lowest : 0.35 W/m2 (UVA, UVB) Maximum: 1.55 W/m2 (UVA), 1.23 W/m2 (UVB)3, blackboard temperature range: UV stage-BPT 35-80 °C (95-176 °F) condensation Stage-BPT 35-60 °C (95-140 °F) 4. Sample capacity: 48 pieces + BPT on 24 sample holders 5. Weight: about 140KG (310LB), depending on optional accessories 6. Power supply: 120 VAC (± 10%), 1 Ph., 2 Wire (1/N/PE), 50/60 Hz, 12A230 VAC (± 10%), 1 Ph., 2 Wire (1/N/PE or 2/ PE), 50/60 Hz, 8A7, spray water pressure: 25-40psi (1.7-2.7bar), purity: <1 ppm of dissolved solids, silicon: <0.1 ppm, conductivity: <5 us/ cm or 200 kilohms or refer to test method 8. Condensate pressure required: 2-60psi (0.1-4.1bra) Purity: Deionized water is recommended, but not required. Accessories: 1. Circulating water spray 2. 12 standard nozzles 3. Handheld radiation calibrator 4. Data acquisition program via Ethernet 5. Overlay kit 6. Radiation control (340 nm, 313 nm, 351 nm) 7. Nozzles can be customized for users. More about UV ultraviolet aging test box: http://www.standard-group.cc/

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