SWD900 SPUA madzi akumwa oletsa dzimbiri madzi zokutira ndi polima anachita ndi Isocyanate (chipani A) ndi Amino pawiri (chipani B).Mapangidwe aukadaulo amatumizidwa kuchokera ku SWD Urethane Company, zopangira ndi kupanga zomwe zidatengedwa sizowopsa komanso zopanda poizoni, zimakwaniritsa zofunikira za Standard Specification for Potable Water Products ndikupeza License Number of Health permit ku Ministry of chemical industry.Zomwe zimagwiritsidwa ntchito ndi (Jiangsu) madzi aukhondo (2016) nambala 3200-0005.Kutsatira zokutira zolimba kwambiri, zokutira zokhala ndi madzi, zokutira zochiritsika ndi ma radiation, zokutira ufa ndi matekinoloje ena otsika (ayi) opaka utoto, Ukadaulo wa Spray Polyurea Elastomer (waufupi ngati SPUA) ndiukadaulo watsopano wopanda zosungunulira, wopanda kuipitsidwa wobiriwira womwe ndi opangidwa kuti akwaniritse zofunikira zachilengedwe pafupifupi zaka makumi awiri kunja.Zakhala zikugwiritsidwa ntchito popanga mapaipi amadzi akumwa, akasinja osungira ndi akasinja amadzi omwe amakwaniritsa miyezo yazakudya, yokhala ndi mphamvu zoteteza madzi, anticorrosion ndi chitetezo, komanso kuteteza chilengedwe, ukhondo wopanda ukhondo.