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【Everyone in the energy industry is reading this – click the button in the upper right corner to ‘follow’. Long-press on the image above to scan the code and like it; benefits are available at the end of the article. When you go to fill up your car with gas, don’t you also wonder whether all that fuel really ends up in the tank?】 Whenever Xiao Shitou explains that “the fuel pump’s tubing is filled to the brim with oil,” netizens ask a compelling question: why not make the fuel pump’s tubing transparent? It seems like a good idea – allowing customers to see the flow of oil clearly would eliminate all these problems. Isn’t that similar to bubble tea? When drinking it, we can see the pearls being sucked up. But although both straws and fuel tubes are tubes, they’re not the same thing. Just as cats and mice, in China they’re known as Detective Black Cat and One-Eared, but in other countries their names change. In fact, tubes require different materials depending on the properties of the liquid flowing through them. For example, mineral water bottles work fine when filled with cold water, but they’ll deform if filled with hot water. Ordinary tubes are fine for carrying water, but using them for oil can lead to various problems. To ensure the safety and fire resistance of gas stations, the tubing there must be able to withstand oil, high pressure, be flame-retardant, and conduct electricity. To achieve these multiple functions, such tubing isn’t just a simple tube; it’s made up of layers of different materials. In the world of tubing, only those who understand it know the details. The innermost layer is an oil-resistant rubber hose; the middle layer is a metal woven layer that can withstand high pressure and conduct electricity; and the outermost layer is wear-resistant rubber. Look closer – there’s a metal layer inside! Even if you look again, you won’t be able to see what’s inside. It’s because of this metal woven layer that fuel tubes can be golden, red, or blue – but they can never be transparent. The interior of the tubing isn’t transparent. Now let’s take a look at the outer rubber layer. Just as car tires are black, black gives a sense of greater wear resistance, which is why they remain black. So, dear drivers, are you still worried about the color of the fuel tube? Go to reputable and legitimate gas stations to refuel, and there’s no need to worry or speculate about anything. Disclaimer: The content above is reproduced from Sinopec; it does not represent the position of this platform. National Energy Information Platform: Phone number: 010-65367702, Email: hz@people-energy.com.cn, Address: No. 2 Jintai West Road, Chaoyang District, Beijing, People’s Daily Press. Source: National Energy Information Platform