The Xenon Gas Accelerated Aging Chamber is a sophisticated instrument designed to assess the durability and weathering resistance of paints and coatings. By simulating natural environmental conditions ...
The Xenon Gas Accelerated Aging Chamber is a sophisticated instrument designed to assess the durability and weathering resistance of paints and coatings. By simulating natural environmental conditions, including sunlight, heat, and moisture, this equipment enables manufacturers to predict the long-term performance of their products under accelerated aging conditions. This proactive approach ensures that paints maintain their aesthetic and protective properties, enhancing product reliability and customer satisfaction.
The Xenon Gas Accelerated Aging Chamber is widely used in various industries, including:
1. Automotive: Testing the durability of exterior and interior paints and coatings.
2. Construction: Evaluating the weathering resistance of architectural coatings and finishes.
3. Marine: Assessing the performance of protective coatings used in marine environments.
4. Aerospace: Ensuring the longevity of coatings applied to aircraft exteriors and interiors.
5. Consumer Goods: Testing the durability of paints and finishes on household items and appliances.
The chamber meets several key international standards, including:
1. ASTM G155: Standard Practice for Operating Xenon Arc Light Apparatus for Exposure of Non-Metallic Materials
2. ISO 11341: Paints and Varnishes — Artificial Weathering and Exposure to Artificial Radiation — Exposure to Filter Xenon-Arc Radiation
3. SAE J1960: Accelerated Exposure of Automotive Exterior Materials Using a Controlled Irradiance Xenon-Arc Apparatus
4. DIN 53387: Testing of Paints and Varnishes — Artificial Weathering by Fluorescent UV and Condensation Apparatus
These standards provide guidelines for exposure conditions, sample preparation, and evaluation criteria to ensure consistent and reliable test results.
1. Precise Control: Accurate regulation of light intensity, temperature, and humidity ensures reproducible and reliable test results.
2. Realistic Simulation: The xenon arc lamp produces a spectrum of light that closely mimics natural sunlight, providing a realistic simulation of outdoor exposure.
3. Accelerated Testing: Significantly reduces the time required to evaluate long-term performance, expediting product development cycles.
4. Versatility: Suitable for a wide range of coatings, including paints, varnishes, and specialty finishes.
5. Durability: Robust construction and high-quality components ensure long-term reliability and minimal maintenance.
6. User-Friendly Interface: Intuitive controls and software for easy setup, monitoring, and data analysis.
Item | Specification |
Internal Dimension (W*D*H) | 800*800*800mm |
External Dimension (W*D*H) | 1450*1500*2000mm |
Inner chamber material | SUS 304 # Stainless Steel, Anti-rust, easy to clean |
Outer chamber material | Stainless steel |
Chamber Temperature | 40±3℃ |
Temperature Uniformity | ≤3℃ |
Blank panel temperature | 65±3℃ |
Humidity Range | 55%-90% |
Irradiated intensity | 0.35±0.02w/m²at 340nm (within±10%) |
Xenon lamp power | 6.KW water-cooled xenon lamp x 1pc |
Control system | Siemens PLC controller, auto display irradiance |
Distance from specimen to arc center | 250~300mm, Effective exposure area 6400cm2 |
Filter | Borosilicate filter inside and outside |
Water pressure at nozzle | 1 - 1.5 bar |
Sample rack | Stainless steel rotary sample rack, 3-7rpm |
Door seal | Silicone rubber seal |
Temperature sensor | PT100 high precision temperature sensor |
Air circulation system | Stainless steel centrifugal rotor vane to improve the uniformity of temperature and humidity |
Cooling ventilator | Automatic controlled by temperature controller, and inner chamber cooled by refrigerating system |
Cooling ventilator | France Tecumseh compressor |
Power | AC380V, 50Hz, three phase |
Safety Protection | Over heat protection for fan, Over load protection for cooling system, Over pressure protection for cooling system, Over temperature protection, Over heat and over flow protection for water pump, Leakage protection, Water shortage protection, Auto stop after failure warning |
Working Principle
The chamber utilizes a xenon arc lamp to generate a spectrum of light that closely resembles natural sunlight. The light is filtered to match the solar spectrum, particularly in the UV range, which is critical for degradation processes. The chamber maintains controlled environmental conditions, including temperature and humidity, to accelerate the weathering of paint and coating materials. The combination of light exposure, heat, and moisture creates a comprehensive aging environment that simulates real-world conditions.
Installation Considerations
1. Space Requirements: Ensure adequate space for the chamber and associated equipment, considering dimensions and clearance needs.
2. Power Supply: Verify that the electrical supply meets the chamber's requirements, including voltage, amperage, and phase.
3. Ventilation: Proper ventilation is essential to dissipate heat generated by the xenon lamp and maintain optimal operating conditions.
4. Safety Measures: Install safety barriers and signage to prevent unauthorized access and ensure operator safety.
Operational Procedure
1. Sample Preparation: Prepare paint samples according to the specified standards, ensuring uniform size and thickness. Mount the samples on holding frames to maintain consistent exposure.
2. Chamber Setup: Place the samples in the test chamber and set the desired exposure conditions, including light intensity, temperature, and humidity. Program the exposure cycle, which may include periods of light exposure, darkness, and controlled humidity to simulate day-night cycles.
3. Monitoring and Evaluation: Periodically monitor the samples for signs of degradation, such as color fading, gloss loss, cracking, or peeling. Evaluate the results according to the testing standards, documenting any changes in appearance, texture, or adhesion.
4. Data Management: Use the integrated software to track and analyze test data, ensuring comprehensive documentation and reporting.
4. Data Logging: Comprehensive data logging capabilities enable detailed analysis and reporting of test results.
5. By adhering to these guidelines, the Xenon Gas Accelerated Aging Chamber provides a comprehensive and reliable method for evaluating the long-term performance of paints and coatings under accelerated weathering conditions. This ensures that paint products maintain their quality and performance throughout their lifespan, meeting the needs of both consumers and manufacturers.
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