Codes 1 to 6
1 PET, 2 HDPE, 3 PVC, 4 LDPE, 5 PP and 6 PS identify specific resin families.
Code 7 OTHER
Code 7 covers other resins or combinations outside codes 1 to 6. It does not describe one single material.
What to do next
Identify the product format, then check the local service. A bottle, film, tray and durable object with the same resin code can have different routes.
Common questions
Questions people ask
Does a triangle with a number mean recyclable?
No. It is a material-identification code.
Which plastic number is best?
The number is not a simple environmental ranking. Product design, reuse and local recovery systems matter.
Can I put every number in the same bin?
No. Follow the accepted product formats listed by the local service.
Reference sources
ASTM D7611/D7611M — Resin Identification Coding SystemOpen source ↗U.S. EPA — How to recycle common materialsOpen source ↗
Checked 2026-08-16