9mm pp faʻaseʻe pito i luga e mafai ona faia o polypropylene poʻo polymethyl pentene (PMP). Polypropylene o le sili ona lauiloa mea palasitika mea. Polypropylene Vial e maua le vevela o le malosi o le 135 tikeri Celsius ma e masani ona faʻaaogaina i chromatographic stress stress. O vaitusi palasitika e lelei le mama o vailaʻau, faʻamamaina moli, tumau, ma le tamaoaiga.
