Ompompi bepulasitiki ngokuvamile benziwa nge-PVC, i-ABS, i-PP nezinye izinto ngokukhiqizwa kwesikhunta ngobuningi, ngemibala ecebile, izimo ezinhle, ukulwa nokuguga, ukumelana nokugqwala, ukumelana nokucindezela okuphezulu, okungewona ubuthi nokunganambitheki, njll.