Sofia Martinez
Plastic is everywhere, from the food we eat to the shoes on our feet. With over 300 million tons of plastic produced each year, it's hard to escape. One of the most common types of plastic is polystyrene, otherwise known as plastic #6. This plastic is used for packaging and insulation and is often found in the form of rigid polystyrene and styrofoam. Plastic #6 is lightweight, rigid, versatile, and cheap to produce, making it a popular choice for many companies. However, it is hard to recycle and has been known to contain harmful chemicals. As a result, it has been banned by several organizations and cities.
| Characteristics | Values |
|---|---|
| Type | 6 |
| Other Name | Polystyrene (PS) |
| Products | Single-use food and drink containers, plastic utensils, EPS packing material, straws, flatware, bottle caps, small plastic items |
| Recyclability | Technically recyclable but rarely recycled, often sorted out at Material Recovery Facility and sent overseas |
| Environmental Impact | Contributes to litter due to lightweight nature, very low recycling rate, hard to recycle due to small size |
| Health Impact | Carcinogenic, considered dangerous for human and environmental health |
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What You'll Learn
- Polystyrene, often mistakenly called Styrofoam, is a type of plastic #6
- Plastic #6 is rarely recycled and is considered dangerous to human health
- Plastic #6 is cheap to produce and lightweight, making it popular for businesses
- Plastic utensils, straws, and bottle caps are often made from plastic #6
- Plastic #6 is sorted out at Material Recovery Facilities and sent overseas
Polystyrene, often mistakenly called Styrofoam, is a type of plastic #6
Polystyrene is a synthetic polymer made from the monomer styrene, which is derived from petroleum or oil. It is a thermoplastic that remains solid at room temperature but starts to melt at 210°C, making it suitable for recycling. However, polystyrene is often confused with Styrofoam, which is a trademarked brand of polystyrene by the Dow Chemical Company. Styrofoam is a specific type of expanded polystyrene foam (EPS) that is widely used for protective packaging and insulation.
While polystyrene can be recycled, it is not as easily accessible as home recycling programs usually do not accept it. Specialist recyclers typically only take clean, white polystyrene, and it must be separated from other recyclables and cut into small pieces. Due to its widespread use and lightweight nature, polystyrene constitutes a significant portion of the trash in landfills and is considered harmful to the environment.
To minimise the risk of environmental harm, it is recommended to reduce the use of polystyrene and opt for reusable alternatives. Polystyrene is identified as Plastic #6 and features an arrow with a "6" inside, commonly found on plastic products. This identification system was introduced by the Society of the Plastics Industry in 1988 to facilitate the recycling of post-consumer plastics. Plastic #6 is considered one of the plastic numbers that should be avoided, along with #1, #3, and #7.
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Plastic #6 is rarely recycled and is considered dangerous to human health
Plastic #6, also known as polystyrene (PS) or styrofoam, is a type of plastic that is rarely recycled and is considered dangerous to human health. It is commonly used to make disposable coffee cups, packing peanuts, coolers, and to-go food containers. While it is technically possible to recycle this type of plastic, it is not widely practiced, and even when it is recycled, the total percentage of recycled plastic is very low.
One of the main issues with plastic #6 is its fragility—it breaks up easily and ends up in the environment as tiny pieces of PS that can be found on beaches and in marine creatures. Additionally, #6 plastic contains styrene, which can be leached when heated. Styrene is harmful to human health and has been linked to carcinogenic effects.
To avoid the potential health risks associated with plastic #6, it is recommended to use alternative materials such as metal and glass. It is also important to note that all plastic products can leach toxic chemicals when heated or damaged, so it is crucial to use plastics with caution and to choose safer options whenever possible.
When it comes to recycling, plastic #6 is challenging to recycle due to its low density and the fact that it is often contaminated with food or liquid. As a result, many recycling centers do not accept it, and even when it is accepted, the recycling process may not be effective. Therefore, it is preferable to collect and reuse #6 plastic rather than attempt to recycle it.
Overall, plastic #6 is considered one of the less safe plastics and should be used with caution, especially around food and drinks. It is important to dispose of it properly and to reduce its use whenever possible to minimize the potential risks to human health and the environment.
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Plastic #6 is cheap to produce and lightweight, making it popular for businesses
Plastic #6, also known as polystyrene or Styrofoam, is a popular choice for businesses due to its low cost and lightweight properties. Its lightweight nature also makes it cheap to ship, contributing to its popularity among businesses looking to minimise costs.
Polystyrene is commonly used in the production of single-use food and drink containers, plastic utensils, EPS packing material, and other items. Its lightweight and durable nature makes it ideal for packaging and shipping various products, from electronics to fragile items.
However, despite its widespread use, plastic #6 has come under scrutiny due to its environmental impact. It is difficult to recycle and is rarely accepted by standard recycling programs, often requiring specific facilities. This has led to polystyrene constituting a significant portion of landfill waste, with a low recycling rate.
Additionally, plastic #6 has been identified as a potential health hazard. Like other plastics, it can leach toxic chemicals, especially when heated, posing risks to human health. Due to these concerns, organisations like the Green Dining Alliance encourage businesses to ban the use of polystyrene and transition to more compostable and recyclable alternatives.
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Plastic utensils, straws, and bottle caps are often made from plastic #6
Polystyrene is a petroleum-based product, and when ingested by humans, it can cause cells to change and is considered carcinogenic. It is important to limit the single-use of such items and make wise selections for the planet's future. The Green Dining Alliance, for example, includes banning the use of all polystyrene as one of its Core Concepts for restaurant membership.
Plastic #6 is also difficult to recycle and is rarely recycled, despite being accepted by some local recycling haulers. It is often sorted out at Material Recovery Facilities (recycling centers) and sent overseas, where it may be further sorted, melted down into a #7 "other" plastic, or burned as fuel. The low recycling rate of polystyrene contributes to its presence in landfills, where it can take hundreds to hundreds of thousands of years to completely biodegrade.
To reduce the environmental impact of plastic #6, it is recommended to avoid its use whenever possible and opt for reusable alternatives made from materials like metal and glass. Additionally, when using plastic products, it is important to choose safer types of plastic, such as plastic recycling numbers 2, 4, and 5, which are considered the safest. By making conscious choices and understanding the potential harm of different types of plastics, we can work towards minimizing the negative impact of plastic on our health and the environment.
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Plastic #6 is sorted out at Material Recovery Facilities and sent overseas
Plastic #6, also known as polystyrene, is a type of plastic that is often found in single-use food and drink containers, plastic utensils, and packing materials. It is identified by a #6 "PS" symbol and includes foam products like Styrofoam and some hard plastics like straws, flatware, and disposable containers.
Due to its lightweight nature, Plastic #6 is cheap to ship, making it widely accessible and used. However, it is important to note that this type of plastic is not easily recyclable and is considered harmful to the environment and human health. At Material Recovery Facilities (MRFs), Plastic #6 is sorted out, sometimes along with other low-value plastics, and sent overseas.
Once it reaches overseas locations, Plastic #6 undergoes further sorting or is melted down into a #7 "other" plastic. Unfortunately, the recycling rate for Plastic #6 is extremely low, with a 2004 study by the California Integrated Waste Management Board finding that only 0.8% of the 377,580 tons of polystyrene produced in the state was recycled.
The difficulty in recycling Plastic #6 lies in its small and mixed nature, making it challenging to separate from other recyclables. Additionally, there is a limited market for purchasing sorted polystyrene from recycling facilities, further reducing its recyclability. As a result, many items made from Plastic #6, such as straws and bottle caps, often end up in landfills.
To address the environmental and health concerns associated with Plastic #6, some organizations, such as the Green Dining Alliance, encourage businesses and individuals to refuse the use of this type of plastic and opt for more compostable and recyclable alternatives.
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Frequently asked questions
Type 6 plastic stands for polystyrene (PS) or styrofoam. It is identified by a #6 "PS" symbol and includes foam products and some hard plastics.
Type 6 plastic is often found in food packaging, such as takeaway containers, disposable straws, utensils, and CD cases. It is also used for insulation and protective packaging.
Technically, Type 6 plastic can be recycled, but it is not commonly accepted in curbside recycling programs due to its low value and challenging sorting process. It is best to avoid or minimise the use of Type 6 plastic whenever possible.
