O le pepa GPPS o lo'o fa'auluina le pepa PS.PS e mafai ona fa'aoga Fa'asalalauga, lomitusi, fa'ailoga, LGP .pepa polystyene e ta'ua PMMA laupepa po'o lau tioata fa'a- Organic.Ole igoa ole vaila'au ole Polymethyl methacrylatecrylic.
O le pepa PS o loʻo i ai mea sili ona lelei i le palasitika, o le vaega autu o le polymethyl methacrylate, e faʻaaogaina lautele i totonu o le fale, faʻasalalauga ma teuteuga.