Did you know that plastic recyclers cannot recycle a yellow plastic bottle? The market for anything other than clear, translucent green and translucent blue is very small and anything other than these can be hard to sort out and contaminate streams that have value. It’s important to understand what aspects of a package design can negatively impact its’ recyclability. The Association of Plastic Recyclers has a useful design guide which can guide your design and development plans towards an easily (and not yellow) recyclable package.
And here’s a link to a helpful design book called: Packaging Sustainability: Systems and Strategies for Innovation Package Design at Brand Packaging