Whakarara NNO-A he surfactant anionic, te hanganga matū ko te naphthalenesulfonate formaldehyde condensate, te paura parauri, te anion, he ngawari te whakarewa ki te wai, te atete ki te waikawa, te kawakawa, te wera, te wai pakeke, me te tote parakore; He tino pai te diffusibility Me te mahi colloid tiaki, engari karekau he mahi mata penei i te hukahuka osmotic, me te hononga mo te pūmua me te muka polyamide, engari kaore he hononga mo nga muka penei i te miro me te rinena.