
Plastic is ubiquitous in the modern world, and it is important to understand the different types of plastics and their potential harm to human health and the environment. Plastic products are often stamped with a resin code, which is a number between one and seven inside a small triangle made of arrows. This number corresponds to a different type of plastic, and not all plastics are recyclable or reusable. #1 plastic, or PETE/PET, is one of the most commonly used thermoplastic polymer resins and is found in many food and drink containers. #2 plastic, or HDPE, is considered one of the safest forms of plastic and is known for its durability and reliability. It can be easily and efficiently recycled and is used in various products, including sturdy bottles for cosmetics and household cleaners.
| Characteristics | Values |
|---|---|
| Type | #1 - Polyethylene Terephthalate (PETE) #2 - High-Density Polyethylene (HDPE) |
| Common Uses | #1 - Water bottles, juice bottles, salad dressing containers, peanut butter containers, and mouthwash bottles #2 - Milk jugs, detergent bottles, shampoo bottles, yogurt and tofu containers, and shopping bags |
| Resin Identification Code | #1 - PETE has a resin identification code of 1 #2 - HDPE has a resin identification code of 2 |
| Recyclability | Both #1 and #2 plastics are widely recyclable |
| Safety | #1 - Considered safe for single use, but may leach hormone-disrupting chemicals and toxins if reused #2 - Generally considered safe, but can leach small amounts of chemicals, especially when exposed to heat |
| Strength | #1 - Strong and durable, able to withstand high pressures #2 - Tough and resistant to moisture and chemicals |
| Flexibility | #1 - Rigid #2 - Somewhat flexible |
| Heat Resistance | #1 - Poor, can't be filled with hot liquids #2 - Better heat resistance than #1 |
| Clarity | #1 - Clear and transparent #2 - Usually opaque, but can be made transparent |
| Environmental Impact | #1 - Can be recycled into many products, but often downcycled into lower-value items like carpets and fleece #2 - More easily recyclable into similar products, but still contributes to microplastic pollution |
| Examples | #1 - Coca-Cola, Pepsi, and Aquafina water bottles #2 - Milk jugs and laundry detergent containers |
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What You'll Learn
- #1 plastics are easy to recycle and are accepted at most plants
- #2 plastics are safe, durable, and can be reused without harm
- #1 plastics are made of PET/PETE and are used for bottles and jars
- #2 plastics are made of HDPE and are used for shampoo bottles and detergent containers
- #1 and #2 plastics are the most common types and the most easily recyclable

#1 plastics are easy to recycle and are accepted at most plants
Plastic recycling numbers indicate the type of resin used and the recyclability of the item. Plastics #1 and #2 are the most common types of plastic containers and are the most easily recyclable.
#1 plastic, or PET/PETE, is easy to recycle and is accepted at most recycling plants. It is used to make bottles for soda, water, and other drinks, as well as cooking oil containers, plastic peanut butter jars, and other food containers. To recycle #1 plastic, it is shredded into tiny pallets and reprocessed into new bottles or turned into polyester fibre for producing fleece clothes, carpets, sleeping bags, jackets, and pillows. It is important to note that #1 plastic should not be heated, as it can cause antimony leach, which is a toxic chemical.
#1 plastic is one of the easier-to-recycle plastic types due to its high density, and it can be recycled up to 10 times. Most curbside recycling programs accept #1 plastic containers, but it is always good to check local recycling guidelines. For example, in New York City, large grocery stores are required to have a separate collection bin for plastics #1 and #2, and these should not be collected in curbside recycling bins.
#1 plastic can be easily turned into plastic pellets, which can then be made into new plastic products. This type of plastic is widely accepted in curbside recycling programs, and it is also collected by some companies that specialize in recycling specific types of plastics.
Overall, #1 plastic is widely accepted for recycling at most plants due to its high recyclability and the ease of processing it into new products.
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#2 plastics are safe, durable, and can be reused without harm
Plastic containers are labelled with a number from 1 to 7 to indicate their safety for food storage and recyclability. #2 plastics, also known as high-density polyethylene (HDPE), are considered safe and have a low risk of leaching. They are also durable and can be reused without harm, making them suitable for food storage and microwave and dishwasher use. HDPE is commonly used for milk jugs, detergent and juice bottles, butter tubs, and toiletries containers. These plastics can be recycled through standard recycling bins and most curbside recycling programs.
On the other hand, plastics #1, #3, #6, and #7 should be used with varying to extreme caution, especially around food or drink. #1 plastic, or polyethylene terephthalate (PETE or PET), is relatively safe but should be kept out of heat to prevent the leaching of carcinogens and the accumulation of bacteria and flavour. It is used for beverage and food containers, bottles, and household cleaning product containers.
Other types of plastics include PVC, LDPE, PP, and PS. PVC, or polyvinyl chloride, is tough but not considered safe for cooking or heating due to the presence of phthalates, which interfere with hormonal development. LDPE, or low-density polyethylene, is considered relatively safe but is not easily recyclable through curbside programs. PP, or polypropylene, is a durable and chemical-resistant material with high heat resistance, making it safe for food storage and microwave and dishwasher use. PS, or polystyrene, is known to give off dangerous levels of BPA and should not be reused.
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#1 plastics are made of PET/PETE and are used for bottles and jars
The recycling numbers on plastic items indicate the type of resin used and the recyclability of the item. Plastics labelled #1 are made of PET (or PETE) and are one of the most common types of plastic containers. They are also one of the easiest plastics to recycle and are accepted at most recycling plants.
PET is used to make bottles for soda, water, and other drinks. It is also used for cooking oil containers, plastic peanut butter jars, and other food containers. It is important to note that PETE #1 plastic should not be heated, as this causes antimony leach, which is a toxic chemical.
#1 plastics can be recycled into plastic pellets, which can then be used to make new plastic bottles or fibre for fleece jackets, sleeping bags, and pillows. These plastics are often glossy and rigid, and they sink in water. They can be identified by the recycling symbol on the bottom, top, or side of the container, which is a triangle with chasing arrows and the number 1 inside.
#1 plastics are widely accepted in curbside recycling programs, so they can be easily disposed of and recycled by consumers. Overall, while #1 plastics are made from PET/PETE and are commonly used for bottles and jars, it is important to recycle them properly to avoid potential health and environmental risks associated with plastic waste.
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#2 plastics are made of HDPE and are used for shampoo bottles and detergent containers
Plastics are everywhere in our modern world, and it is important to understand the different types and their potential harm. Plastic #1 and #2 are the most common types of plastic containers and the most easily recyclable. They are also the most likely to have a California Redemption Value (CRV) associated with them. Numbers identify what type of plastic it is, and they're important when the materials get recycled.
Plastic #2, also called HDPE (high-density polyethylene), has a high strength-to-density ratio, resulting in superb wear resistance. HDPE products can withstand heating and freezing, making them suitable for various weather conditions. This type of plastic can be reused without any harm and is one of the safest sorts of plastic. It can be recycled up to 10 times and is often used to make sturdy bottles for cosmetics and household cleaners. Clear containers made from HDPE #2 plastic are recycled back into new containers, while coloured HDPE #2 is turned into other items such as pipes, lumber, toys, lawn, pens, and floor tiles.
You can identify plastic #2 products by looking for the recycling symbol, which is a triangle of chasing arrows with the number 2 inside. This symbol is usually found on the bottom, top, or side of the plastic object.
Some examples of plastic #2 products include shampoo bottles and detergent containers. These items are recyclable if clean and can be placed in standard recycling bins.
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#1 and #2 plastics are the most common types and the most easily recyclable
Plastic recycling numbers indicate the type of resin used and the recyclability of the item. Plastics #1 and #2 are the most common types of plastic containers and the most easily recyclable.
#1 plastic, or PET/PETE, is used to make bottles for soda, water, and other drinks. It is also used for cooking oil containers, plastic peanut butter jars, and other food containers. This type of plastic is easy to recycle and is accepted at most recycling plants. Recycled PET bottles can be turned into new bottles or polyester fibre for clothing and other items. It is important to note that #1 plastic should not be heated, as this can cause a toxic chemical reaction.
#2 plastic, or HDPE (high-density polyethylene), has a high strength-to-density ratio, resulting in excellent wear resistance. This type of plastic can withstand heating and freezing and is considered one of the safest types of plastic. HDPE is used to make shampoo bottles, detergent containers, and milk jugs. It can be recycled into new containers, toys, pens, or floor tiles.
Both #1 and #2 plastics may be placed in standard recycling bins and are widely accepted in curbside recycling programs. However, it is important to check local guidelines, as some municipalities may have specific requirements or restrictions.
Overall, understanding the different types of plastics and their recyclability is crucial for making informed choices that are safer for our health and the environment.
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Frequently asked questions
#1 plastic, or PET/PETE, is used for soda bottles, water bottles, and other drink containers. It can also be used for cooking oil containers, plastic peanut butter jars, and detergent bottles. #2 plastic, also known as HDPE (high-density polyethylene), is used for milk jugs, shampoo bottles, and detergent bottles.
Plastic #1 is generally safe, but it should be stored in a cool, dry place and not reused. Plastic #2 is one of the safest plastics and can be reused without any harm.
Both #1 and #2 plastics can be recycled and are the most easily recyclable. They can be recycled curbside or at a specialist centre.
#1 plastic can be shredded and turned into plastic pellets, which can then be made into new bottles or fibres for clothing. #2 plastic can be recycled into new containers, toys, pens, or floor tiles.









































