I always figured a recycling system would rinse their inputs before melting them down, and that any remaining food or labels would be burned up while melting th

I always figured a recycling system would rinse their inputs before melting them down, and that any remaining food or labels would be burned up while melting them down, and end up as slag. The only reason to wash your recycling is so they don't attract bugs - because for some reason our culture don't put recycling in any kind of bag or proper refuse bin.