What Are Recyclable Plastics and Why They Matter
Plastic is one of the most common materials found in homes, stores, and workplaces. According to the U.S. Environmental Protection Agency, Americans generate about 35 million tons of plastic waste each year, with only about 9% being recycled. Understanding which plastics can be recycled is the first step toward reducing this waste.
Free Guide to Green Screen Video and Photo Basics →
Recyclable plastics are plastic products that can be processed and transformed into new items instead of going to landfills. Not all plastics are created equal—some break down into harmful particles, while others can be melted down and reformed into useful products hundreds of times. The recyclability of plastic depends on its type, which manufacturers identify using a numbering system.
Plastic recycling matters for several reasons. When plastic is recycled, it reduces the amount of waste in landfills, where it can take 400-1000 years to decompose. Recycling also reduces the demand for virgin plastic, which comes from crude oil extraction. This decreases pollution from drilling and refining processes. Additionally, recycling plastic requires less energy than producing new plastic from raw materials, which means fewer greenhouse gas emissions that contribute to climate change.
Most municipalities across the United States have curbside recycling programs that accept certain types of plastic. However, these programs vary by location. Some areas accept all plastic types numbered 1-7, while others only accept types 1 and 2. Understanding your local program's rules prevents contamination of recycling batches, which can shut down entire facilities.
Practical Takeaway: Before recycling any plastic item, check the bottom for a recycling symbol with a number inside (1-7). Then contact your local waste management service or visit their website to learn which plastic types your community accepts.
The Plastic Recycling Symbol System Explained
Every plastic product manufactured for consumer use displays a recycling symbol on its bottom or back. This symbol contains a number from 1 to 7, representing the type of plastic resin used. Learning to identify these numbers helps you make informed decisions about what can enter your recycling bin.
Free Guide to Using a Compost Bin →
Plastic Type 1 (PET or PETE—Polyethylene Terephthalate) is the most commonly recycled plastic. It's used for beverage bottles, water bottles, juice containers, and some food packaging. PET plastic is lightweight and clear, making it easy to see what's inside. According to the American Chemistry Council, Type 1 plastic has a recycling rate of about 29%, meaning roughly one-third of PET bottles are recycled. This type recycles well and is turned into new bottles, fiber for clothing, carpeting, and even automotive parts.
Plastic Type 2 (HDPE—High-Density Polyethylene) is sturdy and opaque, used for milk jugs, detergent bottles, grocery bags, and some food containers. HDPE has a higher recycling rate than PET, at approximately 30%. It's valued in recycling facilities because it can be made into new bottles, plastic lumber, playground equipment, and pipes. This plastic is resistant to chemicals, making it useful for industrial applications after recycling.
Plastic Type 3 (PVC—Polyvinyl Chloride) is less commonly recycled. It's found in pipes, vinyl siding, shower curtains, and some food wrap. PVC contains additives that make it difficult to recycle and can contaminate recycling streams. Most curbside programs do not accept Type 3 plastic. When disposed of improperly and burned, PVC releases dioxins, which are harmful chemicals.
Plastic Type 4 (LDPE—Low-Density Polyethylene) is flexible and used for plastic bags, squeeze bottles, and some food packaging. While less commonly accepted in curbside programs, many grocery stores and retailers have collection bins for plastic bags made from Type 4 plastic. This material can be recycled into new plastic bags, containers, and tubing.
Plastic Types 5, 6, and 7 are less frequently recycled through standard municipal programs. Type 5 (PP—Polypropylene) is found in yogurt containers, medicine bottles, and car parts. Type 6 (PS—Polystyrene) includes disposable cups, takeout containers, and packaging materials. Type 7 is a mixed category called "Other" and includes specialized plastics like polycarbonate. Some communities have special collection events or drop-off locations for these types, but they're rarely accepted in curbside bins.
Practical Takeaway: Create a quick reference guide for your household by writing down which plastic types (numbers 1-7) your local recycling program accepts. Post this list on your refrigerator or near your recycling bins to prevent contamination and confusion.
Common Recyclable Plastic Products You Encounter Daily
Knowing which everyday items can be recycled helps you make quick decisions during shopping and cleanup. The most recyclable plastic products are those made from Type 1 and Type 2 plastics, which account for approximately 60% of all plastic packaging used in the United States.
Learn How Lease-to-Own Payments Work →
Beverage containers are the most recognizable recyclable plastics. Single-use water bottles, soda bottles, juice containers, and sports drink bottles are almost always made from Type 1 PET plastic and are accepted in virtually all curbside recycling programs. A typical person generates about 100 single-use plastic bottles per year in the United States, according to recycling studies. Milk jugs and milk cartons (though cartons are often made from paper with plastic coating) are Type 2 HDPE and are widely accepted. Laundry detergent bottles, bleach containers, and shampoo bottles are similarly made from Type 2 and can be recycled in most programs.
Food containers and packaging represent another large category. Clear plastic takeout containers from restaurants are often Type 1 PET and typically acceptable. However, some clear clamshell packages that contain baked goods or deli items may be Type 5 or Type 6, which have more limited recycling options. Rigid plastic food storage containers, like those used for deli meats or baked goods, vary in type. Always check the bottom symbol before assuming they're recyclable. Empty peanut butter jars, salsa containers, and yogurt cups should be emptied and rinsed before placing them in your bin, as leftover food can contaminate entire batches at recycling facilities.
Household and personal care products come in recyclable plastics. Empty shampoo bottles, conditioner bottles, and body wash containers are usually Type 2 HDPE. Deodorant containers, mouthwash bottles, and vitamin bottles are often Type 1 or Type 2. Cleaning supply bottles, including all-purpose cleaners and window cleaners, are typically made from recyclable plastics. These should always be emptied and rinsed before recycling.
Plastic bags present a complicated situation. While bags themselves are usually made from recyclable plastic, they can jam machinery at recycling facilities. Most communities ask that bags not go in curbside bins. However, many grocery stores and retailers have dedicated collection bins specifically for plastic bags, where they're bundled separately. Over 380 billion plastic bags are used annually in the United States, with less than 1% being recycled through curbside programs.
Plastic film wrap, plastic sheeting, and thin plastic covers are generally not accepted in curbside recycling programs, even though they're plastic. These items wrap around machinery and cause equipment shutdowns. Similarly, plastic-wrapped bundled products should have the wrap removed and placed in a store collection bin or trash before recycling the inner product.
Practical Takeaway: Before tossing any plastic item into your recycling bin, rinse it thoroughly to remove food residue, and verify its type number. Keep plastic bags out of your curbside bin and instead take them to grocery store collection points.
What Happens to Recyclable Plastics After Collection
Understanding the recycling process helps explain why certain items need to be clean and why contamination is such a significant problem. When plastic enters a municipal recycling facility, it goes through several processing stages before becoming a new product.
Understanding the Oklahoma City Bombing and Memorial →
At the collection facility, recyclable plastics first go through sorting. Workers or automated machinery separate plastics by type and color. Facilities use both manual sorting and optical scanners that read the recyc