Cardboard take away coffee cups are plasticised, because, if not, the cardboard cup would soak and fall apart when filled with liquid. When the plasticised-cardboard of the take-away coffee cup goes through the temperature change of being filled with the hot liquid, thousands of micro and millions of nano sized plastic molecules fracture and fragment … Continue reading Caldera Report > With Every Cup of Coffee: 25,000 micron-sized and 12 million nano-sized microplastic particles!