Kubbada caagga ah ee Polypropylene waa iska caabbinta kulaylka, caabbinta kiimikada caagadaha, oo ay ku jiraan polyetylen (PE), polypropylene (PP), polypropylene la xoojiyay (RPP), chloride polyvinyl (PVC), chlorinated polyvinyl chloride (CPVC), iyo (PVDF) sida alaabta baakadaha munaaradda.