[China Glass Net] The weather is cold, and it is a comfortable thing to drive out without having to endure the cold wind. However, have you ever noticed the smell in the car, have you ever cared about the hidden dangers of the film used in automotive glass? This morning, the Municipal Quality Supervision Bureau announced the safety risk monitoring of passenger car interior materials and automotive glass film.
In daily life, the user directly feels the air quality inside the car, and it is easy to ignore the quality of the individual interior materials. Passenger car interior materials, such as plastic products such as instrument panels, safety products such as safety belts, rubber strips such as sealing strips, rubber gaskets, etc., organic volatiles, aldehydes and ketones, and odors may be emitted from composite products containing adhesives. Become a source of air pollution in the car, causing quality and safety risks.
A total of 50 batches of samples were collected for this risk monitoring. After testing, 3 batches did not meet the above requirements and there was a safety risk. The formaldehyde, ethylbenzene and xylene indexes of one batch of products did not meet the requirements. The toluene, ethylbenzene and xylene indexes of one batch of products did not meet the requirements, and the formaldehyde index of one batch of products did not meet the requirements. Shen Weimin, deputy director of the Municipal Quality Supervision Bureau, reminded consumers that when using vehicles for maintenance, water-based polyurethane adhesives for automotive interiors can be used to reduce the emission of interior materials. After purchasing the car mat, it is better to put it in the ventilated place for 1-2 weeks, and then put it into the car.
The quality of the film for automotive glass on the market is mixed and varied. If consumers choose improperly or use inferior film, they will not achieve the desired effect and will also affect driving safety. A total of 10 batches of samples were collected for this risk monitoring. After testing, 5 batches of automotive glass film did not meet the requirements, and they were all films for automotive windshield. The film with too low visible light transmittance is attached to the windshield of the automobile, which may cause the driver to not see the objects outside the vehicle, directly affecting the driver's observation of the driving environment, resulting in safety hazards in the driving. A film with a high UV transmittance and a high total solar transmittance does not block ultraviolet rays and heat.
The relevant department advises consumers to identify the quality of the film by four simple methods: cutting a small piece of film, observing whether the distant object is clear through the film, or placing it on a black and white background to see if the writing is clear; The film is placed in front of the infrared lamp or the iodine-tungsten lamp. The temperature is changed by the film through the hand. If the temperature changes rapidly, the heat insulation performance is not good. The film surface is wiped with a soft cloth, and the film with fading and obvious scratches is inferior. ; tearing the back film to smell, the inferior film has more residual solvent and odor.
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