Part 1 of 5. Navigating Triangle Codes in Plastics. Transcript So let's talk about navigating the triangle recycle codes. I mentioned in a previous video that not all plastics are necessarily bad. One of the best ways to make a quick judgment on consumer plastics is by finding that triangle code. It's called a resin identification code or RIC. Most people think of these as recycle codes. Actually it has nothing to do with its recyclability, although some cities and counties will use it for that.