Plastic bottles and aluminum bottles are common packaging materials in our daily lives, and their environmental performance has always attracted much attention. As people pay more and more attention to environmental protection and health, water bottles have become an indispensable item in daily life, and their material selection has become more and more important. Aluminum and plastic are two common water bottle materials. So, which bottle is better? Let's discuss it together.

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First of all, from the perspective of material properties, plastic bottles and aluminum bottles have their own advantages and disadvantages. Plastic bottles have the advantages of being light, shatterproof, and affordable, and are widely used in beverages, cosmetics and other fields. However, plastic bottles are difficult to degrade, which puts a certain amount of pressure on the environment. In contrast, aluminum bottles have excellent thermal conductivity, corrosion resistance and aesthetics, and are widely used in beer, beverages and other fields. Another advantage of aluminum bottles is that they are highly recyclable, and the recycled aluminum can be reused, reducing dependence on natural resources.

Secondly, from the perspective of production energy consumption, the production energy consumption of plastic bottles is relatively low. The production process of plastic bottles mainly includes steps such as polymerization and molding, and the energy consumption is relatively small. The production process of aluminum bottles requires multiple links such as smelting, casting, and rolling, and the energy consumption is relatively high. Therefore, from the perspective of production energy consumption, plastic bottles seem to be more environmentally friendly.

However, when we focus on recycling and reuse, the advantages of aluminum bottles gradually become prominent. Although plastic bottles have a high recycling rate, due to the difficulty of degradation, the recycled plastic materials are often difficult to reuse directly, and need to go through a complex treatment process. In contrast, the recycling rate of aluminum bottles is higher, and the recycled aluminum can be directly used to produce new aluminum bottles, reducing the demand for raw materials. In addition, the recycling value of aluminum bottles is also relatively high, which helps to promote the development of the recycling industry.

Characteristics and advantages of aluminum beverage bottles

Aluminum beverage bottles refer to a type of bottle whose shell is made of aluminum. Compared with traditional plastic beverage bottles, aluminum beverage bottles have the following significant advantages:

1. Lightweight and easy to carry: aluminum beverage bottles are light in weight and small in size, suitable for carrying around. It not only facilitates people's lives, but also saves logistics and transportation costs and reduces carbon emissions.

2. Safe and durable: aluminum beverage bottles have good sealing and good heat and cold insulation effects. At the same time, aluminum materials are highly corrosion-resistant and are not easily corroded by beverages with strong acidity and alkalinity. Because aluminum beverage bottles are highly durable, they can be used repeatedly and are more environmentally friendly.

3. Environmentally friendly and recyclable: Aluminum beverage bottles can be recycled and made into raw materials, which can be recycled and reused, with less impact on the environment.

Which beverage bottles are made of aluminum?

1. Coca-Cola: Coca-Cola has launched a wide variety of aluminum beverage bottles, including aluminum beverage bottles for products such as Coke, Sprite, and Fanta.

2. Pepsi: Pepsi also produces aluminum beverage bottles, including aluminum beverage bottles for products such as Pepsi and 7-Up.

3. Red Bull: Red Bull also uses aluminum beverage bottles, and you can see the common aluminum beverage bottles of Red Bull.

In addition, there are many brands and types of aluminum beverage bottles, such as Golf, Yibao, Pepsi, etc.

In summary, plastic bottles and aluminum bottles have their own characteristics in terms of environmental protection. Plastic bottles are light, shatterproof, affordable, and have a high recycling rate, but they are difficult to degrade; aluminum beverage bottles are lighter, safer, and more environmentally friendly than traditional plastic bottles, making them suitable for carrying and reuse. At present, there are many brands and types of aluminum beverage bottles on the market that can meet the diverse needs of consumers. In addition, aluminum bottles are beautiful, corrosion-resistant, recyclable, and have high recycling value, but the production energy consumption is relatively high. Therefore, when choosing which bottle is more environmentally friendly, we need to comprehensively consider multiple factors such as material characteristics, production energy consumption, and recycling and reuse.

You’ve probably noticed a changing tide on your local beer shelves. Cans. Lots of them. The recent trend got its start in when Oskar Blues hand-canned Dale’s Pale Ale. The trend was slow to take off though, chugging along, adding another brewery every now and then, but it’s only really been in the last 10 years that it’s run away.

With the canning come the debates. Is canning better then bottling? Is it more sustainable? Is it safe? Is the beer any good? This article won’t answer any of these questions, at least not outright. I am not arguing one way or the other, because I’m on the fence too, when it comes to these questions… except “Is the beer good”. The beer is good. Let’s just clear that up right now.

All I wanted to do was present some facts. The importance of these facts to you will ultimately drive your decision.

The Pros of Beer Cans

Below we have listed out eight advantages that beer cans have over glass bottles.

1. Cans Blocks Light:

A photochemical reaction takes place when sunlight, or for that matter florescent lighting strikes, beer. The light breaks down hop alpha acids which then react with sulfur compounds in the beer causing a skunky aroma and taste.

Though brown bottles block some of the light, over time the beer is still affected (note: green and clear glass block almost none of the damage causing light). Not so with cans. Cans block 100% of light, helping prevent skunked beer and giving you the beer the brewer intended for you to taste.

2. Cans are Light:

A can weighs in around 15 grams versus a bottles 170 grams. Lower weight means lower emissions (smaller carbon footprint) from transportation and distribution of a brewer’s product.

Ease of transport including weight is also a consideration for the consumer. If you’re planning to picnic a couple miles up a trail a lighter load can make a huge difference.

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3. Blocks Oxygen:

Like light, oxygen is not good for beer. It basically causes beer to age and can cause unpalatable flavors to appear over time. Even the most carefully bottled beer will let small amounts of oxygen in over time. Cans will not.

4. Storage:

Cans are easy to store. They are stackable. The distributor can fit more in his truck and you can fit more in your fridge or cooler.

5. Colder:

Because aluminum conducts heat well, a canned beer will cool quickly. But, remember a canned beer won’t stay cool as long as bottled beer for the same reason.

Quick Tip: No matter if you prefer a can or bottle, putting your beer in an cold water bath will cool it faster than the freezer or a beverage fridge.

6. Public Places and Outdoors:

Many public places, such as beaches, parks, camping sites, do not allow glass bottles, because of the inherent dangers of broken glass. But, the same public places usually have no problem with cans.

In a word, cans are more outdoor friendly. Being unbreakable, along with their weight and ease of storage (talked about earlier) makes them a good choice for an outdoor rump.

7. Less Packing Material:

A six pack of cans requires less packaging material than a six pack of bottles. Think of the difference between the new plastic PakTech six pack holder and the cardboard of a bottled six pack. Also there is less energy and resources in the labeling of cans (right on the can) vs. the paper and printing of bottle labels and packaging.

8. Recyclability:

Aluminum is the most recyclable of any material. It takes about 90% less energy to recycle aluminum then to create aluminum from raw materials. This amounts to a whopping 20 recycled cans to 1 virgin can in energy expenditure. There is no limit on how many times aluminum can be recycled and a can, recycled, can be back on shelves in as little as two months.

Note: Next time you toss that aluminum can into the garbage realize that you are wasting as much energy as if you poured out half that cans worth of gasoline!

The Cons of Beer Cans

While there are plenty of advantages, let’s now take a look at three disadvantages that come with beer cans.

1. The Stigma of Cans:

There is a “bad quality beer” stigma attached to the can. Most of us think of cheap beer in large quantities when cans are mentioned. There is also the common experience of finding cans littered where they shouldn’t be.

And let’s face it beer cans just don’t feel as sophisticated as a bottle. We certainly can’t get the same presentation out of a pair of beer cans as we can get out of an elegant wire corked Belgian Trippel and a nice pair of IPA glasses.

Unfortunately, this stigma is all in our heads. Sure, there are plenty of cheap beer available in cans. But, there is also good canned beer available… a lot of it. It may be harder to find, but when you do, it’s worth the hunt.

2. BPA:

BPA, or Bisphenol A, is a carbon-based synthetic used in plastics and epoxies. It can act like a synthetic hormone calling into question its safety when used in many products, especially products related to food. It is used in the liner of beer cans, as well as many other plastic products, so there is some concern here.

However, an FDA study done in (PDF) states that “an adequate margin of safety exists for BPA at current levels of exposure from food contact uses.”

Make of this what you will.

3. Aluminum Mining:

Aluminum, in its raw state, is the third most abundant resource on the plant. Unfortunately getting this raw material is in no way energy-efficient or earth-friendly. Aluminum comes from bauxite, a red mineral dense rock that is extracted by open pit mining. This strip mining removes all vegetation and adversely affects ground water and wildlife.

The process of transforming this virgin rock into aluminum is astronomically energy intensive, using massive amounts of water and electricity (whole power plants are built to support the process). The smelting process is incredibly polluting (much of the smelting energy comes from coal).

Thoughts & Takeaways

The “can vs bottle” debate will continue, I have no doubt about this. And, again, I’m not trying to persuade one way or the other, just putting the information out there. Hopefully you are more informed and curious to look into the issues a little deeper, and prepared for your next beer run.

A couple things I would like you to take away though:

• If you’re gonna drink from cans drink good beer.
• Always recycle your cans!!
• Drink Local.
• Use refillable growlers or kegs when you can.

Cheers!

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