For the first-time car purchaser, given that it was the first car purchase and some consumers even completed it under the “help” of the family, the purchased car could not be too selfish. At the very least, it was a 5-seat car. To put it, not only that, they also need ample space in the back row, and it is best to even flatten the rear floor, hoping to let the 5 people in the car sit comfortably.

When it comes to the leveling of the rear floor, some people may ask why some cars can be very smooth. Some cars have to be raised? Let's talk to everyone today about what this is all about.

Reserve position for exhaust pipe or four-wheel drive system

Why does the back row bulge? If you ask people in the automotive industry, most of them will answer that it is because of layout problems. This is true, because now the exhaust pipe of most vehicles takes the central floor passage. The advantage of bulging is that it can raise the height of the exhaust pipe. The exhaust pipe is connected to the car's engine, so if the exhaust pipe is too close to the ground, the consequences can be imagined as the car moves up and down. So we will see a lot of models, especially cars, the rear floor has a certain bulge.

The other reason is that some models are rear-wheel drive models or have four-wheel drive systems. The bulge in the middle is due to the need to take care of the position of the drive shaft, in addition to reserving the exhaust pipe.

Self-owned brands know China's national conditions

Some people may also ask, Now that we have seen many domestic models, especially the autonomous SUVs, the rear row of floors is relatively flat, and the joint ventures are rare. What is the reason for this?

This is indeed the case. This is mainly due to the slow start of China's own brand and its deep knowledge of the needs of our compatriots. Therefore, at the initial stage of research and development, we have already noticed this "selling point." There is still a lot of independent SUVs, which are derived from micro-planes and van platforms. These models originally have flat floors. Whether you are an MPV or an SUV, they are mainly different in appearance. Still did not change.


Titanium Dioxide(TIO2)

Titanium dioxide is an important inorganic chemical pigment, the main component is titanium dioxide. The production process of titanium dioxide has two process routes: sulfuric acid method and chloride method. It has important applications in coatings, inks, papermaking, plastics and rubber, chemical fiber, ceramics and other industries.

It has two types: rutile type (Rutile R type) and anatase type (Anatase A type). The rutile crystal structure is compact, relatively stable, and has low optical activity, so it has good weather resistance, and has high hiding power and decolorizing power.

Titanium dioxide is widely used in coatings, plastics, rubber, ink, paper, chemical fiber, ceramics, daily chemicals, medicine, food and other industries.
The coating industry is the largest user of titanium dioxide, especially Rutile Titanium Dioxide, most of which is consumed by the coating industry. The paint made of titanium dioxide has bright colors, high hiding power, strong tinting power, low dosage, and many varieties. It can protect the stability of the medium, and can enhance the mechanical strength and adhesion of the paint film to prevent cracks. Prevent the penetration of ultraviolet rays and moisture, and extend the life of the paint film.
The plastics industry is the second largest user. Adding titanium dioxide to plastics can improve the heat resistance, light resistance, and weather resistance of plastic products, improve the physical and chemical properties of plastic products, enhance the mechanical strength of the products, and extend the service life.
The paper industry is the third largest user of titanium dioxide. As a paper filler, it is mainly used in high-grade paper and thin paper. Adding titanium dioxide to the paper can make the paper have better whiteness, good gloss, high strength, thin and smooth, no penetration during printing, and light weight. Titanium dioxide for papermaking generally uses Anatase Titanium Dioxide without surface treatment, which can act as a fluorescent whitening agent and increase the whiteness of paper. However, laminated paper requires the use of surface-treated rutile titanium dioxide to meet the requirements of light resistance and heat resistance.
Titanium dioxide is also an indispensable white pigment in advanced inks. The ink containing titanium dioxide is durable and does not change color, has good surface wettability and is easy to disperse. The titanium dioxide used in the ink industry has rutile type and anatase type.
The textile and chemical fiber industry is another important application field of titanium dioxide. Titanium dioxide for chemical fiber is mainly used as a matting agent. Since the anatase type is softer than the gold red type, the anatase type is generally used. Titanium dioxide for chemical fiber generally does not require surface treatment, but in order to reduce the photochemical effect of titanium dioxide and prevent the fiber from degrading under the action of titanium dioxide photocatalysis, surface treatment is required for some special varieties.
The enamel industry is an important application field of titanium dioxide. The enamel grade titanium dioxide has high purity, good whiteness, fresh color, uniform particle size, strong refractive index and high color reducing power, and has strong turbidity and Opacity, make the coating thin, smooth and strong acid resistance after enamelling. It can be evenly mixed with other materials in the enamel manufacturing process, does not agglomerate, and is easy to melt.
The ceramic industry is also an important application field of titanium dioxide. Ceramic grade titanium dioxide has high purity, uniform particle size, high refractive index, excellent high temperature resistance, and does not change ash at 1200°C for 1 hour. High opacity, thin coating, light weight, widely used in ceramics, construction, decoration and other materials.

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