Bacaha balaastikada ah waxay ka samaysan yihiin polypropylene (PP) oo ah alaabta ceeriin ee ugu weyn, taas oo la sii daayay, birta la sawiray, dib loo dhejiyay, timo, lagana sameeyay bacaha baakadaha.PP waa balaastig daah-furan, semi-crystalline thermosetting ah oo leh adayg sare, sifooyin dahaar wanaagsan, nuugista biyaha hoose, am sare...
Akhri wax dheeraad ah