PVC foaming fola extrusion laina o se ituaiga fou o le siosiomaga faauo laupapa palasitika oloa tu'ufa'atasia, i le gaosiga, maualuga density fiber laupapa gaosia i le faagasologa o le fafie i phenol, auai i le toe fa'aaogaina palasitika mea fa'apipi'i mea fa'apipi'i mea fa'apipi'i mea fa'apipi'i, ona fa'atupu ai lea o le extrusion. 'au e fai fola palasitika laupapa, laupapa palasitika fola ma 100% toe faʻafouina ma toe faʻaaogaina, o lona gaosiga tekinolosi ua manatu foi o se malosi ola mo le faʻafouina o tekinolosi, e iai le avanoa lautele maketi ma manuia lelei tamaoaiga ma manuia lautele.