15 - Aya macaps anowanzogadzirwa kubva kune yakakwirira-mhando zvinhu senge polypropylene. Iyi polypropylene caps ine hunhu hwakanaka hwekuramba uye kupa makemikari ekurwisa kusanganisira acids, vaipengenha, Alkalis, zvigadzirwa zvemukati, zvigadzirwa, uye mafuta emumba, uye mafuta emumba, uye oiri yemhuri. Polypropylene Holy Caps anozivikanwa nekuda kweKwakanaka kukanganisa simba, mutengo-kushanda uye hutongi.