Alexei Volkov
Plastic recycling is a complex process, and not all plastics can be recycled in the same way or at all. To help standardize the materials used in different plastic products, The Society of the Plastics Industry (SPI) developed Resin Identification Codes (RICs) in 1988. These are the numbers found inside the chasing arrows symbol on plastic products. Plastic number 1, also known as PET, is lightweight, shatter-resistant, and has a low risk of leaching, making it ideal for food packaging. It is widely recycled and has a high market value.
| Characteristics | Values |
|---|---|
| Plastic Type | PET |
| Resin Identification Code | 1 |
| Recyclability | Recyclable |
| Safety | Low risk of leaching, considered safe |
| Properties | Lightweight, smooth, shatter-resistant |
| Forms | Clear PET, oven-ready/CPET |
| Temperature Range | -20° F – 120° F for Clear PET; 32° F – 400° F for CPET |
| Uses | Food packaging, soft drinks, water, ketchup, beer bottles, mouthwash bottles, peanut butter containers, salad dressing, vegetable oil containers |
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What You'll Learn
Plastic #1 is safe, with a low risk of leaching
Plastic #1, also known as PET, is considered one of the safest options on the market. It is a safe, sustainable, and efficient choice for beverage bottles, food containers, and more. One of its key advantages is that it is BPA-free, meaning it does not contain Bisphenol A (BPA), a chemical linked to potential health risks. This makes it a safer alternative to other plastic types.
PET plastic is the abbreviation for Polyethylene terephthalate, commonly known as PET or PETE, and formerly known as PETP or PET-P. It is a type of thermoplastic polymer in the polyester lineage. It is widely used in fabricating clothing fibres, crafting containers for liquids, food products, and employing thermoforming techniques in manufacturing.
One of the reasons for its popularity is its high strength-to-weight ratio, making it lightweight, shatterproof, and cost-effective to produce and transport. It also acts as an excellent barrier against CO2, light, and microorganisms, prolonging the shelf life of beverages. Additionally, it is EU/NSF/FDA-approved for contact with food and beverages. Its easy recyclability fosters a closed-loop system, minimising environmental impact.
While PET is generally considered safe, it is important to note that it has limitations at high temperatures. Exposing PET containers to temperatures above 70°C may lead to substance migration or deformation of the container. Therefore, it is recommended to avoid using them at high temperatures and to refrain from reusing them. However, under normal usage conditions, substance migration is minimal and typically does not pose a significant risk to human health.
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PET is lightweight, shatter-resistant, and oven-safe
PET, or polyethylene terephthalate, is a type of plastic that can be identified by the number 1 recycling code. It is a lightweight material, which makes it ideal for packaging and transporting food and beverages. Its strength and shatter-resistance also make it suitable for packaging a wide range of consumer products, from tennis balls to personal care items.
PET is highly valued as a packaging material because it is not only lightweight but also strong, economical, and shatterproof. Its shatter-resistance makes it a safer alternative to glass, especially for products that are prone to falling or being knocked over, such as bottles of soft drinks or mouthwash.
Being lightweight, PET helps reduce the amount of fuel required for transportation. This, along with its ability to be recycled, contributes to its reputation as a sustainable material with a positive environmental profile. However, it is important to note that PET has a relatively low recycling rate of around 20%, despite being in high demand by manufacturers.
PET is also oven-safe, with special grades of PET used for carry-home prepared food containers that can be warmed in the oven or microwave. This type of PET has additives that crystallize and toughen the material, allowing it to withstand higher temperatures. However, it is important to follow the temperature guidelines specified for oven-safe plastic containers, as they have limits and prolonged exposure to high temperatures can cause them to soften, weaken, and degrade over time.
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PET is widely recycled and has a high market value
Polyethylene terephthalate (PET) is a type of plastic that can be identified by the #1 resin code. PET is clear, durable, and versatile, and is accepted by almost all recycling programs in the US. It is also one of the most widely recycled plastics in the world, with a simple recycling process that can be commonly performed onshore. This makes it an attractive option for manufacturers, who are increasingly using recycled PET (rPET) in their products.
The demand for rPET is increasing, with the global market for rPET predicted to reach US$4.9 billion by 2033, up from US$2.3 billion in 2023. This is driven by a consumer preference for sustainable and eco-friendly packaging solutions, as well as stricter policies for recyclable plastics. The use of rPET in food packaging and bottles is one of the fastest-growing applications of the material, with companies such as Coca-Cola producing rPET bottles.
PET's popularity for recycling is due to several factors. Firstly, it does not degrade easily during the recycling process, reducing the risk of toxic decomposition products. Secondly, it can be recycled into products of similar quality and form, including bottles and food-grade packaging. Thirdly, it is lightweight, cost-effective, and offers good insulation, making it ideal for packaging and transportation.
Despite the popularity of PET for recycling, there are some challenges. The recycling rates for PET remain relatively low, at around 20%-30%. To meet the growing demand for rPET, there is a need for increased collection and better recycling infrastructure. However, PET's recyclability and high market value make it a good choice for consumers and manufacturers looking for sustainable options.
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PET is used for soft drinks, water, ketchup, and beer bottles
Plastic recycling codes, also known as Resin Identification Codes (RIC), are numbers from 1 to 7 that indicate the type of plastic a container is made from. Type 1 plastic, or PET (polyethylene terephthalate), is a widely recycled plastic with a high market value due to its ability to be turned into products of similar quality. PET is commonly used for soft drinks, water, ketchup, and beer bottles, as well as mouthwash bottles, peanut butter containers, and salad dressing.
PET is favoured for these products due to its durability and flexibility. It is a lightweight material, making it easy to transport and store, and its transparency allows consumers to see the product inside. Additionally, PET has a high resistance to water, sunlight, and other harsh conditions, ensuring the product inside remains fresh and uncontaminated.
However, concerns have been raised about the safety of PET bottles, particularly for beverages such as soft drinks and juices. Studies have found that PET bottles can contain harmful chemicals, including antimony, lead, cadmium, and DEHP, which can leach into the contents, especially at higher temperatures. These chemicals have been linked to various health issues, including increased blood pressure, heart muscle damage, kidney damage, and respiratory tract infections.
Despite these concerns, PET remains a popular choice for the packaging of various products due to its recyclability and physical properties. It is important for consumers to be aware of the potential risks associated with PET bottles and to make informed decisions about their usage, opting for glass or metal alternatives when possible. Additionally, proper recycling practices, such as rinsing containers and disposing of caps separately, can help reduce the impact of PET on the environment.
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PET can be recycled through most curbside programs
Polyethylene terephthalate (PET) is a type of plastic denoted by the number 1 inside the Resin Identification Code (RIC). PET is one of the most widely recycled plastics in the world and is used in a lot of food containers. Clear PET, in particular, has one of the highest recycling market values as it can be turned into products of similar quality and form. PET can be recycled more times than many other types of plastics, and its recycling process is simple and can be commonly performed onshore.
PET is highly recyclable, yet only 28% of PET bottles are recycled. Other types of PET packaging like plastic egg cartons, fruit containers, trays, and tubs are recycled at a significantly lower rate of 9%. However, PET or PETE can be picked up through most curbside recycling programs, as long as it has been emptied and rinsed of any food. Curbside recyclability depends on your local recycling service's ability to profit from recycling an item. If the cost of collecting and processing the trash is higher than the value of the resulting raw material, it is likely that it won't be recyclable curbside.
The PET Recycling Coalition is a group of stakeholders driving improvements to transform the PET plastic recycling landscape. The Coalition is increasing PET bottle recycling rates, boosting curbside recycling access for non-bottle PET materials, and making it easier to collect and process pigmented and opaque PET.
To recycle PET products, it is important to first check your town's legislation and rules for recycling to know what can and cannot be recycled in certain bins. While PET can be recycled through most curbside programs, it is still important to check your local requirements. For example, some collectors require lids on, while others need them removed depending on their recycling process.
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Frequently asked questions
Code 1 plastic, also known as PET, is one of the most widely recycled plastics in the world. It is lightweight, smooth, shatter-resistant, and has a low risk of leaching.
Code 1 plastic is used for soft drink, water, ketchup, and beer bottles, as well as mouthwash bottles, peanut butter containers, salad dressing, and vegetable oil containers.
Code 1 plastic can be picked up through most curbside recycling programs, as long as it has been emptied and rinsed of any food.
There are seven different plastic codes in total. Other types of plastic include HDPE, PVC, PP, LDPE, PS, and number 7 plastics, which are a group of plastics that do not fall into the first six groups.
