PDK plastic breakdown (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption A GIF showing how PDK plastic readily breaks down when put in an acidic solution. The acid helps to break the bonds between the monomers and separate them from the chemical additives that give plastic its look and feel. Credit (Credit: Peter Christensen/ Berkeley Lab) Usage Restrictions Use credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.