Mle1101. A pain in the ass. So many diff phases, states, polymers tht need to memorise. But for what?! Not like in the future if i do do smth related to this topic i will be able to rmb all the diff compounds?! Confirm will juz refer to books right! Then why am i having to learn all this shit. I dont see the point. Polyethylene. Pvc. Polystyrene. Polypropylene. Acrylonitirile. SAN. ABS. PCTFE. PTFE.