They are typically made from paper pulp that is shaped and pressed into this egg-friendly shape and is efficient as a protective material. ... Depending on your climate paper egg cartons will take anywhere from 2-4 weeks to decompose.

Do egg cartons disintegrate?

Are Egg Cartons Biodegradable? Cardboard egg cartons are biodegradable, which means they will break down over time in the environment. These days, some eggs come in plastic or styrofoam cartons, which are not biodegradable.

Why are egg cartons bad for the environment?

Egg cartons are usually the end of the line for recycled paper because paper quality degrades with continued recycling. According to the Technical Association of the Pulp and Paper Industry, wood fibers can only be recycled five to seven times before they become too short and brittle to be made into new paper products.