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Model parameter table of yellowing resistance test chamber SPECIFICATION
| Inner Box Size: | 500*500*600mm |
| TemperatureRange: | Normal Temperature~200C |
| Control Mode: | Automatic Calculation Controller |
| Temperature Display: | 0.1C |
| Control Accuracy: | 3C |
| Distribution Accuracy: | 1C(at-100C) |
| Time Memory: | 0-999 hours, Power Failure Memory Type, with Buzzer |
| Wheel Speed: | 45cm,102 round/ min |
| UV Light Source: | UV300W Bulb |
| Standard Accessories: | Shelf Board 2 pieces |
| Heating Method: | Hot Air Circulation |
| Security Devices: | Over-temperature power-off indicator light; Safety overload switch ammeter |
| Manufacturing Material: | Internal Stainless Steel SUS304; External Advanced Baking Varnish |
| Outside Dimension (LWH): | 11494130cm |
| Weight: | 140kg |
Applicable Standards:
The testing of yellowing and aging resistance of exterior wall coatings generally follows recognized industry standards:
ISO 4892-3: This international standard outlines the method for accelerated weathering testing of plastics and coatings, which includes UV exposure, and is used to evaluate the aging and yellowing resistance of exterior coatings.
ASTM G154: This standard from the American Society for Testing and Materials specifies procedures for accelerated exposure to UV light and is often used to evaluate coatings, paints, and other materials.
GB/T 16422.1: This Chinese national standard provides a methodology for accelerated weathering testing on coatings and materials exposed to UV light, ensuring that coatings can withstand outdoor conditions.
EN 927-6: This European standard applies to the weathering testing of exterior wood coatings and is used to assess the durability and yellowing resistance of such coatings, though it may also be relevant for other coatings on exterior surfaces.
Model parameter table of yellowing resistance test chamber Frequently Asked Questions
1. How to choose the right model of yellowing tester?
Choosing the right model needs to consider the size and number of samples to be tested as well as the requirements of the test conditions. For example, small samples can be selected from the XY-150 or XY-250 models, while large samples need to be selected from the XY-500 and above models. In addition, it is also necessary to consider the temperature range of the equipment, humidity range and light intensity and other parameters.
2. What are the types of light sources for yellowing test chambers?
Common types of light sources include UVA-340 and UVB-313. UVA-340 is mainly used to simulate the ultraviolet part of natural sunlight, while UVB-313 is used for accelerated aging test to simulate a more severe ultraviolet environment.
3. What are the maintenance considerations for the equipment?
Regularly clean the surface and internal parts of the equipment to avoid dust and debris affecting the performance of the equipment; regularly check the electrical system and mechanical parts to ensure that they are in good condition; operate the equipment in strict accordance with the operation manual to avoid improper use leading to equipment damage; and calibrate the equipment on a regular basis to ensure that its control accuracy.
4. How to calibrate the equipment?
The calibration of the equipment should be carried out by professional technicians. The specific steps include calibrating the equipment using standard reference materials, adjusting the control parameters of the equipment to meet the standard requirements, and carrying out several tests to verify and ensure the stability of the calibration results. It is recommended that regular rechecks be carried out to ensure the long-term reliability of the equipment.
5. How long is the test cycle of the yellowing test chamber?
The test cycle varies depending on the test conditions and requirements. Generally speaking, a simple yellowing test may take only a few hours to a day, while a complex long-term aging test may take weeks or even months. The specific test cycle should be set according to the actual requirements and test standards to ensure the accuracy and reliability of the test results.
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