Chiyambi:TEP-330N ndi mtundu wa ntchito mkulu polyether polyol.Ndi mtundu waposachedwa wa polyether polyol wokhala ndi zochita zambiri, zolemera kwambiri zama cell komanso ma hydroxyl apamwamba kwambiri.Ndizoyenera kupanga chithovu chofewa cha polyurethane cholimba kwambiri, makamaka pokonzekera thovu la polyurethane, chithovu chapamwamba chozizira kwambiri cha polyurethane, chithovu chokhachokha ndi ntchito zina.Zotsatira zikuwonetsa kuti TEP-330N ili ndi zochita zambiri kuposa polyether, ndipo thovu lake lili ndi mawonekedwe abwinoko.