Chloe Zhang
Plastic products are labelled with a number from 1 to 7, indicating their resin content. These numbers are also used to identify and sort plastics for recycling. Number 7 plastics are not all toxic, but they are difficult to recycle and rarely collected for recycling. Number 7 plastics include polycarbonate, which contains the chemical Bisphenol A (BPA) and is not safe. However, other number 7 plastics, such as those made from acrylic, SAN/NAS, Tritan, polypropylene, and melamine, are BPA-free and safe to use. It is important to understand the different types of plastics and their safety profiles, especially for items like baby bottles and food storage containers.
| Characteristics | Values |
|---|---|
| Recyclability | Plastic #7 is challenging to recycle and is almost always excluded |
| Toxicity | Not all #7 plastics are toxic, but some contain Bisphenol A (BPA) |
| Safety | Opaque #7 plastics are generally considered safe |
| Use cases | Plastic #7 is found in baby bottles, food containers, plastic dishes, drinkware, home decor items, bulletproof glass, and five-gallon water jugs |
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What You'll Learn
- Polycarbonate plastic contains Bisphenol A (BPA) and is not safe for reuse
- Number 7 plastics are not all toxic, but it's best to avoid them
- Number 7 plastics are rarely recycled and are often excluded
- Number 7 plastics are durable and found in reusable dishes and drinkware
- PLA is a type of number 7 plastic that is safe, biodegradable, and used for wrapping
Polycarbonate plastic contains Bisphenol A (BPA) and is not safe for reuse
The number 7 on plastic products is a recycling code, indicating the type of plastic the product is made of. Plastic number 7 is a broad category that includes all other types of plastic that do not fit into the first six categories or a mixture of various types. Polycarbonate, a clear and rigid plastic marked with #7 PC, falls into this category and contains Bisphenol A (BPA).
Bisphenol A (BPA) is a chemical primarily used in manufacturing certain plastics and resins. It is produced in large quantities, particularly for polycarbonate plastics and epoxy resins. Polycarbonate plastic is often found in baby bottles, water dispensers, food storage containers, and reusable beverage bottles.
BPA is a cause for concern for many consumers due to its potential health risks. While scientists and government agencies have differing opinions on the matter, studies have shown that chemicals such as BPA can migrate in small amounts to the food and drinks they come into contact with. Due to this risk, the European Commission banned the use of BPA in food contact materials in December 2024, following stricter limits introduced in 2018.
Given the potential hazards associated with BPA, it is recommended to avoid using polycarbonate plastic products, especially for storing food and beverages. Clear plastic products marked with the number 7 are likely to contain BPA, whereas opaque plastics with the same number are generally considered safer. It is always advisable to check the recycling symbols and codes on plastic products and opt for those known for their safety and recyclability.
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Number 7 plastics are not all toxic, but it's best to avoid them
The Number 7 category includes various durable materials, such as reusable plastic dishes, drinkware, home decor items, and food containers. While some Number 7 plastics are considered safe, such as those made from acrylic, SAN/NAS, Tritan, polypropylene, and melamine, it's often difficult to identify which products are safe. To make informed choices, consumers should always check recycling symbols and codes and look for products labelled as BPA-free.
The recyclability of Number 7 plastics is another concern. They are challenging to recycle and are rarely collected by recycling programs due to their long lifespans. Most factories don't accept them, and there are no standard protocols for reusing this type of plastic. This adds to the environmental challenges associated with their use. Therefore, it's best to opt for plastics with recycling numbers 1, 2, 4, and 5, which are safer choices and do not contain BPA.
While it is not feasible to eliminate plastic entirely from our lives, we can make conscious choices to reduce our environmental footprint. Consumers can opt for alternative materials or safer classes of plastic, such as PLA, a flexible, biodegradable plastic used for wrapping and packaging. Additionally, reusing and recycling plastics that are widely accepted, like HDPE and PP, can help reduce the amount of waste sent to landfills.
In summary, while not all Number 7 plastics are toxic, it's best to avoid them due to the potential presence of BPA and the challenges associated with their recyclability. Consumers can protect themselves and the environment by choosing alternative materials, opting for safer plastics, and reusing and recycling accepted plastics.
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Number 7 plastics are rarely recycled and are often excluded
The recycling symbol on plastic products indicates the type of resin used to produce the plastic, not whether the product is recyclable. Number 7 plastics are part of the "'other' category", which includes plastics that do not fit into the first six categories. This category also includes multi-resin and mixed plastic items, such as electronic equipment, glasses frames, and plastic brick toys.
While some Number 7 plastics can be recycled, it is challenging and expensive due to the low density of the material. Specialized handling and processing are often required, and not all recycling facilities are equipped to do so. Therefore, it is always good to check with your local recycling center to know which plastics they collect.
It is important to note that not all Number 7 plastics are toxic. Opaque Number 7 plastics are generally considered safe, while clear, hard plastics marked with Number 7, such as polycarbonate, should be avoided. Some Number 7 plastics, like PLA, are biodegradable and safer for the environment.
To reduce the environmental impact of plastics, it is recommended to choose alternative materials or safer classes of plastic when possible. It is also important to understand the different types of plastics and their recyclability to make informed choices, especially for items like baby bottles and food storage containers.
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Number 7 plastics are durable and found in reusable dishes and drinkware
Number 7 plastics are durable and found in various products, including reusable dishes and drinkware. They are also used in home decor items, bulletproof glass, reusable food containers, and five-gallon water jugs. Number 7 plastics tend to have long lifespans, making them a less common material for recycling.
Number 7 plastics encompass a range of plastic resins that are not classified under codes 1 to 6. This category includes polycarbonate (PC), which is known to contain Bisphenol A (BPA), a potentially harmful chemical. However, not all number 7 plastics are toxic or contain BPA. For example, Tritan plastic, a type of number 7 plastic, is BPA-free. Opaque plastics with the number 7 are generally considered safe.
It is important to understand the safety concerns associated with different types of plastics, especially those used for food and beverage storage. While some plastics are considered safe for food contact and are marked with specific symbols, others may pose potential health risks. For instance, polystyrene, commonly used in disposable cups and food packaging, has been linked to human health and reproductive system issues.
To make informed choices, consumers should look for products labelled as BPA-free and opt for plastics known for their safety and recyclability. Additionally, reusing and recycling plastics can help reduce environmental challenges. However, it is important to note that not all plastics are recyclable or reusable, and certain plastics, like PET, are meant for single-use only.
Overall, while number 7 plastics are durable and found in a variety of products, including reusable dishes and drinkware, it is crucial to consider the specific type of plastic resin within this category and make informed decisions based on safety and environmental impact.
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PLA is a type of number 7 plastic that is safe, biodegradable, and used for wrapping
Plastic #7 is challenging to recycle and is rarely accepted by recycling factories. It is generally recommended to opt for recycling numbers 1, 2, 4, and 5 instead. While not all #7 plastics are toxic, there are significant potential hazards associated with some of them, such as those used in baby bottles.
Polylactic Acid (PLA) is a type of plastic #7 that is safe, biodegradable, and used for wrapping. PLA is a flexible plastic used for various types of wrapping and packaging. It is made from renewable resources such as corn starch and sugarcane, which reduces reliance on fossil fuels. PLA is biodegradable, allowing it to decompose quickly in the soil and transform into water and carbon dioxide without causing long-term environmental pollution. Its biodegradation can also take place in water.
The production of PLA plastic requires less energy and water, reducing carbon emissions and contributing to its recognition as an eco-friendly choice. PLA is opaque, and manufacturers often market it as a better ecological choice. The packaging will usually confirm that it is a PLA plastic and safe to use.
However, caution should be exercised when using PLA for hot food or beverages due to its lower melting point, which could lead to container deformation or the leaching of unknown substances. Additionally, the safety of recycled PLA can be affected by contaminants introduced during the recycling and processing stages. Therefore, it is important to choose reliable suppliers and ensure the product has relevant safety certifications, especially for food contact or medical use.
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Frequently asked questions
No, not all No. 7 plastics are toxic. However, it is generally advised to avoid No. 7 plastics due to the possibility of them containing Bisphenol A (BPA).
No. 7 plastics are often used for durable and long-lasting products such as reusable dishes and drinkware, home decor items, and food containers.
No. 7 plastics are not easily recyclable and are rarely collected for recycling due to their long lifespans. They are considered catch-all plastics, and recycling protocols vary within this category.
Yes, plastics with recycling labels 1, 2, 4, and 5 are considered safer choices and do not contain BPA. LDPE plastic is also relatively safe and is becoming more widely accepted for recycling.
