Petrochemicals HS code research

List of catalogs of this article:

• 1, Will it be harmful to the human body if the car glass film bubbles
• 2 、Is car sponge foam high emission< /Li>
• 3,Petrochemicals HS code researchWhich module does automobile foam belong to

If the automobile glass film bubbles Is it harmful?

1. Car film foaming will cause certain harm to the body. The reason for the foaming of the car film may be caused by factors such as improper installation, the material does not meet the requirements or the use time for too long. Once the car film bubbles, you can see that there is some gas in it, which indicates that the gas in the membrane has begun to evaporate.

2. After the car film bubbles, the closed environment between the film and the glass is destroyed, and the toxic gas can be released into the car. The formaldehyde in the car exceeds the standard.The body's respiratory tract and skin mucous membranes cause irritation, which is harmful to human health, and more, it can lead to leukemia and cancer.

3. If the foamy car film is caused by construction, you can find a technician to deal with it again; if it is caused by the poor quality of the film itself, it is better to tear it off and re-stick it.

4. There is a saying that the bubbly solar film will release relatively large formaldehyde, which can also cause cancer in severe cases. However, I personally don't agree, because there is no clear evidence that the sun film bubbles will release formaldehyde. In fact, even if it does not bubble, the formaldehyde content may exceed the standard.

5. Formaldehyde in the car mainly comes from adhesives and plastics. After the glass film bubbles, the closed environment between the solar film and the glass is destroyed, and the toxic gas can be released in the car. In-car AAldehyde exceeding the standard causes irritation to the human respiratory tract and skin mucosa, endangers human health, and can even lead to leukemia and cancer.

6. The phenomenon of foaming is usually two situations. One is that shortly after the car film is applied, white spots like bubbles and blisters appear; the other is that the car film has been applied for several years, and large and small bubbles begin to appear on the film, especially on the rear windshield. The probability of occurrence More.

Is automobile sponge foaming high-emission

1. Sponge foaming machine is a machine that can automatically foam, which can convert liquid foam raw materials into sponge-like foaming substances. This kind of machine is widely used in production and is widely used in various industries, such as construction, home furnishings, automobiles, packaging, etc.

2. This is a toxic type of work, with a high concentration of volatile gas, which has an adverse impact on people. Pay attention to labor protection and environmental ventilation to reduce damage.

3. Styrofoam is a polymer product like a sponge, and high-quality styroam does not contain formaldehyde. It is an environmentally friendly product. At present, it is a new building material recommended by the country. Good foam can be in contact with food after curing and stabilizing.

Which module does car foam belong to

1. It will be lighter. At present, most of the steering wheels on the market are foam steering wheels. This manufacturing process has become the first choice for vehicles. For many years, the automobile industry has been in this industry, from the wooden steering wheel at the beginning to the pure metal steering wheel in the later stage to the current foam steering wheel.

2. Dashboard Except for wood and leather, the dashboards of cars are basically plastic, but there are differences in soft and hard. The soft one is foamed polyurethane (PU), which is lighter in weight and relatively good in safety and sound absorption; while the hard one is injection-molded polypropylene (PP), which is relatively cheap.

3. The core of automotive beauty technology is paint polishing. There are many projects that can be done on the paint surface, such as removing the paint oxide layer, waxing, scratch treatment, orange peel treatment, gloss treatment, glaze sealing, coating, crystal plating, piano baking paint repair, etc.

4. Question 5: What is the PAB/DAB module of the car steering wheel, and what is the PAB/DAB trim cover? PAD is the contraction of English assenger AirBag.Write, and DAB is the abbreviation of Driver AirBag, which corresponds to the Chinese passenger airbag and the driver's airbag respectively.