Ethan Clarke
The numbers 1-7 on plastic products are resin identification codes, also known as the ASTM International Resin Identification Coding System or RIC. They identify the type of plastic the product is made from and help recycling plants sort materials. The numbers 1-7 are valuable consumer information, as they indicate the likelihood of the plastic being recycled. Plastic number 7, for instance, is a miscellaneous category for products that don't fit into the previous six categories and is rarely recycled.
| Characteristics | Values |
|---|---|
| Plastic Number 1 | PET or PETE (polyethylene terephthalate). Used for beverage bottles, food containers, jars, salad dressing, oil bottles, clothes fibres, mouthwash bottles, and household cleaning products. Safe but should be kept out of heat and not reused. |
| Plastic Number 2 | HDPE (high-density polyethylene). Used for milk jugs, detergent and juice bottles, butter tubs, and toiletries containers. Considered safe and has a low risk of leaching. |
| Plastic Number 3 | PVC. A soft, flexible plastic used for household products like plastic tubing, kids' toys, plastic trays, and furniture. Cannot be recycled. |
| Plastic Number 4 | LDPE. Used for grocery bags, newspaper bags, bread bags, and produce bags. Should not be put in recycling bins as they can get tangled in recycling equipment. |
| Plastic Number 5 | Considered safe. |
| Plastic Number 6 | PS or Polystyrene. Used for CD cases, smoke detectors, license plate frames, scientific lab equipment, insulation, packing products, disposable coffee cups, and food containers. Not commonly recycled due to their long-lasting nature. |
| Plastic Number 7 | Miscellaneous category for plastics that don't fit into the above categories, including acrylic, nylon, bioplastic, polycarbonate, and PLA. These plastics are challenging to recycle due to their mixed nature and lack of standard recycling protocols. |
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What You'll Learn
Plastic #1 is recyclable and used for beverage bottles, food jars, containers, and cleaning products
Plastic #1, also known as PETE or PET, is one of the seven types of plastic available to the general public and can be recycled. It is made from polyethylene terephthalate, a thermoplastic polymer resin. Plastic #1 is used for water and beverage bottles, food jars, containers, and cleaning products. It is also used for salad dressing and oil bottles, mouthwash bottles, and clothes fibres. Plastic #1 is usually clear in colour and is intended for single use only. It has a porous structure, so strong cleaning products are necessary.
Plastic #1 is one of the most commonly used plastics and can be found in many consumer products. It is accepted by most recycling plants and is often collected through curbside recycling programs. The plastic is shredded into tiny pallets and reprocessed into new bottles, or turned into polyester fibre for fabric production.
It is important to note that the presence of a resin code, or recycling symbol, on a plastic product does not guarantee that it can be recycled. The code simply indicates the type of plastic and provides information about its recycling possibility. The higher the number, the more chemically complex the plastic is.
Individuals and businesses in certain regions, such as Massachusetts, are required by law to recycle certain plastic products, specifically single-resin narrow-necked bottles (including soda bottles). Plastic #1 is considered a recyclable material and can be placed in standard recycling bins in many areas.
By understanding the different types of plastics and their recyclability, we can make more informed choices to protect our health and the environment. Plastic #1, as a recyclable and widely used material, plays a significant role in our daily lives and contributes to sustainable practices.
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Plastic #2 is considered safe and can be recycled
Plastic #2, also known as HDPE, is considered safe and can be recycled. HDPE is a type of plastic that is commonly used to make milk jugs, shampoo bottles, detergent bottles, and other similar containers. It is also used for making plastic bags, such as those used for groceries or to hold fresh produce.
HDPE products can be recycled and are accepted in most standard recycling bins. They are considered one of the most easily recyclable types of plastic. However, it's important to note that not all locations accept HDPE for recycling, and local guidelines should be followed.
The presence of a resin code, such as the number 2 inside a triangle on a plastic product, indicates the type of plastic but does not necessarily mean it can be recycled. The resin identification code (RIC) helps identify the type of plastic resin used and guides consumers on recycling steps. Still, recycling methods can vary by location.
While Plastic #2 is considered safe for recycling, it is essential to properly clean the containers before placing them in the recycling bin. This ensures that the plastic can be effectively recycled and reused. Some locations may also offer buyback centers or other incentives for recycling plastic containers, such as through the California Refund Value program for beverage containers.
Overall, Plastic #2 is widely accepted for recycling and is considered a safe option. However, proper disposal and recycling methods may vary depending on local regulations and recycling infrastructure.
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Plastic #3 is unsafe and rarely used, especially with food and drinks
Plastic products are usually stamped with a number, typically found at the bottom, inside a triangle made of arrows. These numbers, ranging from 1 to 7, indicate the type of plastic and provide information about its recyclability. The higher the number, the more chemically complex the plastic is.
Plastic #3, also known as PVC (polyvinyl chloride), is considered unsafe and rarely used, especially with food and drinks. PVC is a strong and elastic plastic due to the presence of softening chemicals called phthalates, which can cause hormonal problems and disrupt children's development. Other highly toxic chemicals, such as DEHA, can be produced during the lifecycle of plastic #3, affecting the immune and endocrine systems and causing cancer.
Due to these health concerns, it is crucial to avoid using plastic #3 products, especially for food and drink storage or consumption. Some common items made from plastic #3 include shower curtains, cleaner bottles, pipes, cooking oil bottles, window and door frames, clear food wrap, inflatable mattresses, and plumbing pipes.
While plastic #3 is not often used for food and drinks, it is still prevalent in various products. It is essential to check the labels of items, especially those that come into contact with food or children's products, to ensure they are free from PVC and harmful chemicals like phthalates and BPA.
To make safer choices for both health and the environment, it is important to understand the potential harm associated with different types of plastics.
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Plastic #4 is safe and can be recycled
Plastic products are often stamped with a resin code, which is a number between one and seven inside a small triangle made of arrows. The presence of a resin code does not necessarily indicate that the product can be recycled. The number inside the triangle is what matters, as each number corresponds to a different type of plastic.
Plastic #4, also known as low-density polyethylene (LDPE), is believed to be safe for use. It is one of the oldest grades of polyethylene and is commonly used in plastic bags, plastic wrapping, cling film, dry cleaning bags, films, and all other forms of lightweight plastic. LDPE is considered one of the safer plastics, as it does not leach toxic chemicals when heated or damaged.
LDPE plastic can be recycled, although it is not generally accepted for curbside recycling. However, there are ways to recycle it. One way is to reuse LDPE plastic bags around the home, such as for wrapping items or carrying things. Another option is to contact your local sanitation or recycling plant to ask if they accept LDPE plastic for recycling. If they do not, they may be able to direct you to a nearby recycling center or organization that does.
While LDPE plastic is safer for the environment and human health than other plastics, it is not environmentally friendly. Only a small percentage of LDPE plastic is recycled, and it is often used for single-use disposable items. As the plastic pollution problem increases, it becomes crucial to recycle as much of this plastic as possible.
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Plastic #5 is safe and can be recycled
Plastic #5, also known as polypropylene and often shortened to PP, is a safe and recyclable plastic. It is a hard and heat-resistant plastic that is commonly used in food and medical packaging, such as prescription medicine bottles, yoghurt cups, and single-use cutlery.
The recycling symbol on plastic products is known as a resin identification code (RIC) and indicates the type of plastic resin used to create the product. The presence of a resin code, however, does not always mean that the product can be recycled. Each number within the RIC corresponds to a different type of plastic, with Plastic #5 being widely accepted in both curbside and drop-off recycling centres prior to China's National Sword policy in 2018.
Despite the challenges posed by China's policy change, Plastic #5 can still be recycled through various programs and organisations. For example, TerraCycle offers recycling programs for a variety of home and personal care products, including some that accept Plastic #5. Additionally, organisations like the international humanitarian aid group Mathew 25: Ministries accept clean, empty pill bottles, including small plastic #5 bottles, for reuse and recycling.
It is important to note that when recycling Plastic #5 containers that previously held food, it is crucial to empty and scrape the container as much as possible. Containers with food and liquid residues can contaminate entire batches of recycling and are often sent to landfills. It is also recommended to keep plastics containing food or drink out of hot environments, as higher temperatures can cause the plastic to break down, melt, and release chemicals.
Plastic #5 can be recycled into a variety of new products, including battery cables and cases, brooms, brushes, bicycle racks, and ice scrapers. Overall, while the recyclability of different plastics can vary based on local regulations and waste management systems, Plastic #5 is safe and can be recycled through appropriate channels.
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Frequently asked questions
The numbers 1-7 are resin identification codes, which identify the type of plastic and whether it can be recycled or not. The higher the number, the more chemically complex the plastic is, and the harder it is to recycle.
Plastic 1, or PET/PETE, is short for polyethylene terephthalate, the chemical name for polyester. It is used in virtually all single-serving and 2-liter bottles of carbonated soft drinks and water.
Plastic 7 is a miscellaneous category for all other kinds of plastics that don't fit into the previous six categories. Examples include a silicone spatula, children's toys, baby bottles, or automotive parts. These are among the most difficult plastics to recycle.
