Plastic Code

Plastic Code

Plastic Code #6: What PS Means for Packaging

If you evaluate packaging materials, you may encounter products labeled with plastic recycling code #6. This code refers to PS, or polystyrene, a plastic used in both rigid packaging and lightweight foam products. Polystyrene is valued for its clarity, ri...

Queenie Fong

Mar 9, 2026•Three-minute read

Plastic Code

Plastic Code #5: What PP Means for Packaging

If you evaluate packaging materials, you may encounter products labeled with plastic recycling code #5. This code refers to PP, or polypropylene, a plastic widely used in food packaging, closures, and durable consumer containers. Polypropylene is valued f...

Queenie Fong

Mar 9, 2026•Three-minute read

Plastic Code

Plastic Code #4: What LDPE Means for Packaging

If you evaluate packaging materials, you may encounter products labeled with plastic recycling code #4. This code refers to LDPE, or low-density polyethylene, a plastic commonly used for flexible packaging and thin films. LDPE is widely used in packaging ...

Queenie Fong

Mar 9, 2026•Two-minute read

Plastic Code

Plastic Code #3: What PVC Means for Packaging

If you evaluate packaging materials, you may encounter products labeled with plastic recycling code #3. This code refers to PVC, or polyvinyl chloride, a plastic used in a variety of industrial, construction, and specialty packaging applications. PVC is v...

Queenie Fong

Mar 9, 2026•Two-minute read

Plastic Code

Plastic Code #2: What HDPE Means for Packaging

If you evaluate packaging materials, you will often encounter products labeled with plastic recycling code #2. This code refers to HDPE, or high-density polyethylene, one of the most widely used plastics for rigid containers and household packaging. HDPE ...

Queenie Fong

Mar 9, 2026•Three-minute read

Plastic Code

Plastic Code #1: What PET Means for Packaging

If you evaluate packaging materials, you will often encounter products labeled with plastic recycling code #1. This code refers to PET, or polyethylene terephthalate, one of the most widely used plastics in consumer packaging. PET is especially common in ...

Queenie Fong

Mar 9, 2026•Three-minute read

Plastic Code

Plastic Code #7: What “Other” Plastics Mean for Packaging

If you evaluate packaging materials, you may encounter products labeled with plastic recycling code #7. Unlike common plastics such as PET (#1) or HDPE (#2), code #7 represents a category known as “Other” plastics. This classification includes materials t...

Queenie Fong

Mar 6, 2026•Two-minute read

Plastic CodeRecycling

Plastic Recycling Codes 1–7: What They Mean for Packaging

Every plastic container, bottle, and bag carries a small number inside a triangle. That number is a resin identification code (RIC). It tells you what kind of plastic the item is made from. It does not tell you whether your local recycler accepts it. Under...

Queenie Fong

Feb 27, 2026•Five-minute read