Is this paper tray compostable? In what setting?

“Compostable in Limited Municipal Composting Facilities”

…what does this mean?

My first guess is that this paperboard tray has a thin liner of bioplastic?

If it has a layer of bioplastic embedded in it, I don’t want it in my compost pile (almost certainly why it says “municipal composting facilities”).

Products like this should just say “DON’T COMPOST AT HOME” to make it totally clear.

Sustained high temperatures are required to potentially break down bioplastics, and I don’t recommend trying it unless you have AT LEAST a cubic yard sized compost pile.

I decided to check out the website printed on the label to see if there was more specific information about the compostability about the product, but it’s somewhat unclear.

Here’s a clue: “Window film that meets ASTM and BPI standards for composting”.

I have a few minutes and I’m curious- time to drop them a line to see what they’re getting at.

Stay tuned 🙂

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