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The atomization test device generally follows the standard DIN 75201 manufacturing. It is divided into two test methods: gloss (A method) and weight method (method of method). In the special glass, the volatile substances in the material are condensed on the low -temperature glass plate or aluminum foil placed in the mouth of the glass, and the gloss value before and after the glass plate is measured. You can get the test results of method B.
It is suitable for interior materials such as cars, aircraft, etc., such as car interior plastic parts, polyurethane, textiles, leather, adhesives, non -weaving cloth, thermal plastic elastic body and other materials Evaluation.
Internal decorative materials such as leather, plastics, textiles, and adhesives, etc., all contain some volatile substances, especially under the sun, the temperature in the car rises, which will exacerbate this kind of Volatility. The volatile gas condenses on the car window or windshield, causing poor sight, which will affect the driver's sight and driving safety. Some volatile substances will be harmful to the human body and affect the health of the driver. In order to reasonably control the generation of volatile substances, it is necessary to perform atomization tests for car interior materials. Materials that exceed the standard indicators of the fog value will not be used for car interior.
Test principle:
The sample is heated in the fog cup, and the volatile gas is condensed on the glass plate or aluminum foil that has been cooled by the cooling cavity. Essence After the condensation process is over, remove the glass plate or aluminum foil, and measure the atomization value or weight of the condensation ingredients of the glass plate or aluminum foil, and compare it with the data before unimaginas to obtain the fabricization volatilization characteristics of the sample.
Measurement method:
Globality method: The gas condensed on the low -temperature glass plate by the sample in the foggy cup, through the gloss value of the gloss before and after the glass plate condensate For comparison and calculation, you can get the fog value of the sample.
Misty method: The gas condensed on the low -temperature glass plate by the sample in the foggy cup, which is compared and calculated by comparing the fog value before and after the glass plate condensation. It is fog.
Weight method: The gas condensed on the low-temperature aluminum foil in the fog cup was heated in the fog cup. By weighing the weight change before and after the aluminum foil condensation, it can be obtained by the fogging of the sample. weight.
Operation steps:
1. The preliminary preparation of the sample;
2. Open the high, low -temperature bath tank and reach the set temperature;3. 3. 3. 3. Wash the fog cup and fog glass plate;
4. Place the sample;
5. Place the fog glass board or aluminum foil;
6. Place the cooling cavity;
7. Keep the set temperature in the two grooves and run it normally to the test requirements of the test;
8. Remove the glass plate or aluminum foil and put it until the specified time;9. Measurement measurementThe weight of the gloss, fog or aluminum foil of the glass plate;
10. Compare the data and get the result.
