Izinto eziluncedo kwingxowa yokucoca yePPS:
I-1.PPS isikhwama sokucoca sinokuzinza kakuhle kwe-thermal, ukuzinza kwe-thermal ngokukhawuleza kunye nokusetyenziswa kwexesha elide okuqhubekayo kuzo zonke izixhobo zokucoca ubunjineli zangoku.
2. Ukumelana nokugqwesa okulungileyo.
3. Iimpawu zomzimba kunye noomatshini.Ibhegi ye-PPS yokucoca inolwelo olufanelekileyo kwaye kulula ukumanzisa ukunxibelelana nefiber yeglasi, ngoko kulula ukuyizalisa.Iintsinga zeglasi okanye iifiber ezingaphiliyo zegilasi zisetyenziselwa ukomeleza amandla okuqina, ukuxhathisa impembelelo, ukugoba kunye nokwandiswa kwezinto zengxowa yesihluzi sePPS.
I-4.PPS ibhegi yokucoca inokumelana nokuhamba kakuhle, i-coefficient ephantsi yokwandiswa komda kunye nokuzinza okuhle komgangatho.)