F.A.Q. > What We Do and Don't Recycle > What do the numbers on plastic containers signify?

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The numbers found in recycle symbols on plastic containers are known as "resin identification codes," and are meant to identify the chemical composition of the plastic you are handling. It is important to note that the presence of (or lack thereof) a code does not mean that a given product (or technology) is universally recyclable, since recyclability depends on the availability and capacity of collection agents ("haulers") and local processing facilities, as well as market conditions.

RR currently accepts most plastics #1-7. Here is a list of the most common codes and the products they represent:

#1 PET (Polyethylene)

#2 HDPE (High-Density Polyethylene)

#3 PVC or V (Polyvinyl Chloride)

#4 LDPE (Low-Density Polyethylene)

#5 PP (Polypropylene)

# 6 PS (Polystyrene)

# 7 Other (Assorted mixed resins)



Last updated on January 17, 2011 by Eddie Lott