
Whether curbside recycling picks up plastic 4 depends on your location. It is important to check your local programs to confirm what is recyclable in your area. Generally, plastics #1-7 are acceptable in the curbside bin, but there are exceptions. Plastic #4, also known as LDPE (low-density polyethylene), is found in frozen food containers, shopping bags, furniture, and squeezable bottles. Some curbside recycling services will accept LDPE, but not all.
Does curbside recycling pick up plastic 4?
| Characteristics | Values |
|---|---|
| Plastic Numbering System | Some counties do not follow the plastic numbering system as many products are incorrectly numbered |
| Plastic #1-7 | Usually acceptable in the curbside bin, but there are exceptions |
| Plastic #4 | LDPE (low-density polyethylene) |
| LDPE | Found in frozen food containers, shopping bags, furniture, and squeezable bottles |
| LDPE Curbside Recycling | LDPE is generally not picked up through curbside recycling programs, but some will |
| Plastic #6 | Polystyrene or Styrofoam |
| Plastic #7 | Polycarbonate plastics, composite plastics, and rigid plastics |
| Plastic #7 Curbside Recycling | Picked up through some curbside recycling programs |
| Plastic #7 Items | DVDs, computer and iPod cases, sunglasses, nylon, certain food containers, and three- and five-gallon water bottles |
| Plastic Bags | Not allowed in the curbside bin and should be recycled at a local grocery store |
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What You'll Learn
- Plastic #4 is used to make disposable dishes, egg cartons, meat trays, CD cases and aspirin bottles
- Some curbside recycling programs do not accept plastic #4 due to its difficulty to recycle
- Plastic #4 is also known as PS (polystyrene) or styrofoam
- Plastic bags are not allowed in curbside recycling bins
- Plastic numbering systems are not always followed by local recycling programs

Plastic #4 is used to make disposable dishes, egg cartons, meat trays, CD cases and aspirin bottles
Plastic #4, also known as LDPE (low-density polyethylene), is considered safe for use and is commonly used in the creation of disposable dishes, egg cartons, meat trays, CD cases, and aspirin bottles. LDPE is a thermoplastic and one of the oldest grades of polyethylene. It is believed to be relatively safe, but it is not environmentally friendly, as only a small percentage of LDPE plastic is recycled.
LDPE is often used in the production of plastic bags, including produce and grocery bags. However, these bags are not typically accepted in recycling bins as they can get tangled in recycling equipment. Instead, grocery stores often collect these bags for proper recycling.
While Plastic #4 is generally considered safe, it is recommended to avoid heating or microwaving it, even if it is labelled as microwave-safe. It is also important to note that not all recycling programs accept LDPE.
To recycle Plastic #4, it is recommended to reuse LDPE plastic items multiple times before disposing of them in the garbage bin. Some recycling plants do accept Plastic #4, but they are relatively few. LDPE can be recycled into lumber and floor tiles.
Overall, Plastic #4 is a commonly used plastic that is relatively safe and can be recycled, but it is important to be mindful of proper disposal methods and the limitations of its recyclability.
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Some curbside recycling programs do not accept plastic #4 due to its difficulty to recycle
Some curbside recycling programs do not accept plastic #4 due to the difficulty of recycling it. Plastic #4, also known as low-density polyethylene (LDPE), is commonly found in frozen food containers, shopping bags, furniture, and squeezable bottles. While some curbside recycling services accept LDPE, others do not due to the challenges it poses in the recycling process.
The recyclability of plastic #4 varies depending on the region and the capabilities of local recycling facilities. Some areas may have the infrastructure to process LDPE, while others may not. Additionally, plastic #4 is known to be challenging to recycle due to its low density and physical properties, which differ from those of other plastics. These factors can make it more difficult to separate and process LDPE during the recycling process.
It's important to note that the acceptance of plastic #4 in curbside recycling programs can change over time. As recycling technologies advance and demand for recycled materials fluctuates, the recyclability of certain plastics can evolve. Therefore, it is always advisable to check with local recycling guidelines or waste management services to determine the specific rules and restrictions for your area.
To promote environmental sustainability, it is crucial to properly manage plastic #4 waste. If curbside recycling programs in your area do not accept this plastic, you can explore alternative options such as dropping off your plastic #4 waste at specialized recycling centers or participating in local initiatives that collect and repurpose this material. By taking responsibility for our plastic waste, we can collectively work towards reducing our environmental impact and promoting a circular economy.
Furthermore, it is worth mentioning that not all products labelled as plastic #4 are necessarily non-recyclable. Some items may be recyclable through specific programs or at particular facilities. It is always a good idea to check the guidelines provided by your local recycling program to ensure that you are properly sorting and disposing of your waste. This ensures that your efforts to recycle are aligned with the capabilities and requirements of the recycling infrastructure in your community.
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Plastic #4 is also known as PS (polystyrene) or styrofoam
PS is used in a variety of applications, including protective packaging (such as packing peanuts and optical disc jewel cases), containers, lids, bottles, trays, tumblers, disposable cutlery, and models. It is also used as an alternative material for phonograph records and in the construction industry for insulation and flotation.
Due to its widespread use, polystyrene is often found in recycling programs. However, styrofoam, which is a trademark of Dow Chemical Company, is not accepted through all curbside recycling programs because it is very difficult to recycle. Some programs do accept polystyrene, but it is always best to check with your local recycling guidelines to ensure that you are properly disposing of your waste.
Some companies, like Ridwell, offer specialised recycling services for certain types of plastics, including styrofoam. They partner with other companies to recycle plastic film into decking and furniture.
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Plastic bags are not allowed in curbside recycling bins
Recycling facilities are designed to handle plastic bottles and containers, plus a few other types of plastic products. Workers and sorting equipment can easily identify and separate these items into sellable streams of plastic. However, stretchy plastic bags and wraps often get stuck in the machinery. When plastic bags are placed in recycling bins, the bags and their contents are usually sent to the landfill.
To properly dispose of plastic bags, you can recycle them at local retailer take-back programs. Many large retailers have recycling bins for plastic film packaging, and some companies use recycled plastic to make new packaging. For example, Trex uses recycled plastic to make composite lumber for decks, fences, and other outdoor uses.
It's important to note that recycling rules may vary depending on your location, so always check with your local recycling entity to ensure you're following the correct guidelines.
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Plastic numbering systems are not always followed by local recycling programs
Plastics numbered 1 and 2 are the most commonly recycled plastics and are accepted by most curbside recycling programs. PET or PETE (polyethylene terephthalate) is the most common plastic for single-use bottled beverages because it's inexpensive, lightweight, and easy to recycle. HDPE (high-density polyethylene) is used for milk jugs, shampoo bottles, cleaning product containers, and detergent bottles. It is one of the easiest plastic polymers to recycle and is accepted worldwide.
Plastics numbered 3, 4, 5, 6, and 7 are generally tougher to recycle and are not universally collected in local recycling programs. PS (polystyrene) or styrofoam is not accepted by all curbside programs because it is very difficult to recycle. LDPE (low-density polyethylene) is found in frozen food containers, shopping bags, furniture, and squeezable bottles. Some of these items can be recycled, but not all curbside recycling services will accept them. PVC (vinyl or polyvinyl chloride) is also generally not picked up through curbside recycling programs, but it is accepted by some recycling facilities.
Accepted materials in recycling programs vary from city to city, so it is important to check with your local municipality to confirm which plastic materials can be recycled in your community.
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Frequently asked questions
Plastic #4, or LDPE (low-density polyethylene), is found in frozen food containers, shopping bags, furniture, and squeezable bottles. Some of these items can be recycled, but not all curbside recycling services will accept them.
Plastics #1-7 are usually acceptable in the curbside bin, but there are exceptions. PET or PETE (polyethylene terephthalate) plastics and HDPE (high-density polyethylene) plastics are picked up through most curbside recycling programs.
A frozen food container is an example of a plastic #4 item that can be recycled. However, not all curbside recycling services will accept them, so it is important to check with your local program.
Although not all curbside recycling services accept plastic #4 items, some recycling facilities and plastic lumber manufacturers do. Additionally, local grocery stores often recycle plastic bags.











































