The volatilization hazard of automotive interior materials must be emphasized

After China joined the WTO, it officially opened the curtain of entering the first year of automobile consumption. Nowadays, China has surpassed the British to catch up with Japan, and its car ownership has become the second-largest in the world. However, automotive interior materials, some use a lot of rubber, plastics, adhesives and other substances, so that the content of volatile organic compounds in the car exceeded the standard.

These volatile organic compounds are harmful to the human body and can affect the health of the driver. For example, benzene, which can cause leukemia, comes from adhesives, artificial leather, lacquer, and leather. Formaldehyde is mainly derived from knitwear such as seat covers and door linings. These volatile organic compounds are not only harmful to human health but may also condense on the windshield or windows of the car, causing poor visibility and affecting the driver's line of sight and driving safety. Therefore, to properly control the production of volatile organic compounds, it is necessary to test the volatilization properties of automotive interior materials.

Experts in the field of automotive testing, a well-known third-party testing organization in the country, told the author that the atomization test of automotive interior materials can realize the control of volatile substances in these materials to effectively reduce the environmental pollution inside the vehicle. It has become an important means to control the quality of products for automotive and automotive interior materials manufacturers. At present, there are many international, domestic and enterprise standards for the fogging test of automotive interior materials. These standards involve three test methods, namely gloss method, gravimetric method, and haze method. The gloss method is: the gas evaporated by the sample in the mist cup is condensed on the low-temperature glass, and the fogging value of the sample can be obtained by comparing the gloss values ​​before and after the condensation of the glass; the gravimetric method Yes: the gas evaporated by the sample in the mist is condensed on the low-temperature aluminum foil, and the weight of the sample atomization-condensation can be obtained by weighing the weight of the aluminum foil before and after condensation; the haze method is: The gas evaporated by the sample in the mist cup is condensed on the low-temperature glass plate, and the haze value of the sample is obtained by comparing and calculating the haze value before and after condensation of the glass plate.

Experts in the test remind consumers: When purchasing a car, the air quality inside the car must be taken as an important purchase standard, and carefully selected for the car beauty decoration. Manufacturers of automotive and interior materials should use less or no materials containing volatile organic compounds to produce products, improve processes, actively seek environmentally friendly alternative materials, and use third-party testing agencies to send products for inspection to ensure that products meet relevant standards. 


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