What is the difference between polystyrene (ps) and polypropylene (pp) in regards to resistance to acids/bases/chemicals?

Polypropylene and polystyrene are two types of commonly used polymers in the manufacture of plastic laboratory consumables. Polymers are large molecules that have the same structural unit repeating over and over.  The repeating units are called monomers. Polypropylene and polystyrene … Continue reading What is the difference between polystyrene (ps) and polypropylene (pp) in regards to resistance to acids/bases/chemicals?