What kind of metal is a can?
Cans are common packaging containers in our daily lives and are widely used in the packaging of liquid foods such as beverages and beer. So, what metal are cans made of? This article will give you detailed answers, as well as hot topics and hot content in the past 10 days, to help you understand the current social focus.
1. Metal materials of cans
The main material of cans isAluminum alloy, specifically, aluminum-magnesium alloys. This material has the following advantages:
1.lightweight: The lower density of aluminum makes the cans lightweight and easy to carry and transport.
2.Corrosion resistant: Aluminum-magnesium alloy has good corrosion resistance and can effectively protect the contents.
3.recyclable: The recycling rate of aluminum is extremely high. The cans can be recycled many times and have excellent environmental performance.
In addition, there is usually a pull ring on the top of the can, which is mostly made ofstainless steelortin plated iron, to ensure the strength and durability of the pull tab.
2. Hot topics and content on the Internet in the past 10 days
The following are the hot topics and content that have been highly discussed across the Internet in the past 10 days. The data comes from major social platforms and news websites:
| Ranking | hot topics | heat index | Main discussion platform |
|---|---|---|---|
| 1 | world cup qualifiers | 98.5 | Weibo, Douyin, Hupu |
| 2 | Double Eleven Shopping Festival warm-up | 95.2 | Taobao, Xiaohongshu, Zhihu |
| 3 | A celebrity's love affair exposed | 89.7 | Weibo, Douban, Station B |
| 4 | New energy vehicle price cuts | 85.4 | Autohome, Toutiao, WeChat |
| 5 | New breakthroughs in AI technology | 82.1 | Zhihu, 36Kr, Twitter |
3. Environmental significance of cans
The aluminum alloy material of the can makes it one of the representatives of environmentally friendly packaging. According to statistics, the number of cans recycled globally every year exceeds60 billion, the recovery rate is as high asMore than 70%. Here are some key figures for can recycling:
| Project | data |
|---|---|
| Global annual can production | About 180 billion |
| Can recycling rate | 70%-75% |
| Energy consumption of recycling aluminum | 95% less than virgin aluminum |
| Number of can recycling times | Theoretically unlimited times |
4. How to recycle cans correctly
In order to fully realize the environmental value of cans, we need to recycle and dispose of them correctly. Here are some suggestions:
1.clean: Before recycling, the residual liquid in the can should be poured out and rinsed briefly to avoid contaminating other recyclables.
2.Flattening: Flattening the can can take up less space and facilitate transportation and storage.
3.Classified delivery: Dispose of cans in designated metal recycling bins or recyclable waste bins.
Through the above methods, we can contribute to environmental protection.
5. Conclusion
As a representative of modern packaging, cans not only facilitate our lives, but also make important contributions to environmental protection. Understanding its materials and recycling methods can help us make better use of this resource. At the same time, paying attention to recent hot topics can also allow us to better integrate into social dynamics. I hope this article provides you with valuable information!
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