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Engineering plastics, only Korean cars and Toyota will use iron fuel tanks, in order to make money regardless of the life of the owner.
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Engineering plastic fuel tank, plastic fuel tank also has better anti-external environment corrosion and anti-oil erosion performance, can still maintain good performance after long-term use, has better impact resistance, anti-deformation and cracking performance, but also has a better degree of design freedom.
Generally speaking, the determination of the fuel tank material is the result of a number of performance indicators weighing each other, including leakage-proof, flame retardant, volatile resistance, corrosion resistance, lightweight, easy molding and manufacturing costs. At present, for common mainstream models, the general metal fuel tank is usually made of double-sided galvanized steel plate and welded after stamping, while the plastic fuel tank is made of a material called high-density polyethylene through blow molding. Traditionally speaking, the former has certain advantages in preventing fuel volatilization (reducing HC pollution) and material reuse, while the latter has advantages in good corrosion resistance, lighter weight, and easier to make complex shapes to meet the needs of vehicle layout.
There are opinions that the plastic material has good plasticity, and can produce plastic deformation in the event of a collision to avoid fuel leakage, and at the same time, the plastic has poor thermal conductivity, which can slow down the heating rate of fuel in the fuel tank when it is outside; However, some people believe that plastics become brittle in extreme cold conditions, are prone to cracking, and that plastics are prone to static electricity accumulation and electrical sparks, which are disadvantages that do not exist in metals.
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The 2008 Peugeot 206 is available in three variants, all with a fuel tank capacity of 50 liters. The drive mode of the vehicle is front-drive.
Among the models in its class, the Polo2022 has a fuel tank capacity of liters, the 2021 Fit has a fuel tank capacity of 40 liters, and the Yaris-L-Zhixuan 2022 has a fuel tank capacity of 42 liters.
In the actual refueling process, the amount of oil may exceed the calibrated volume, this is because the volume of the fuel tank calibrated by the automobile manufacturer is from the bottom of the fuel tank to the volume of the safety margin, and there is a certain space separation from the safety margin to the mouth of the fuel tank, which is to ensure that the oil in the fuel tank will expand when the temperature becomes high, and the fuel tank will not safely overflow empty. If the tank port is refueled at the time of refueling, the actual refueling volume will be greater than the calibrated tank volume.
If the owner wants to know the amount of oil left in the fuel tank, you can observe the gasoline gauge on the right side of the oil pan, which is marked with E and F, when the pointer is close to E, it means that there is almost no oil left, and when it is close to F, it means that the fuel is enough.
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1.Abrasion resistance.
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Exhaust drainage and even oil drainage, before refueling, the fuel tank is filled with air, exhaust, otherwise the fuel tank is not good to add dissatisfaction, when washing the car to drain or discharge accidentally overflowing gasoline, in addition to the temperature change when the volume and pressure will also change, need to communicate with the atmosphere, this hole can also play a role in balancing the pressure inside and outside the fuel tank, please pay attention to: Rongji igniter.