1. Natural tawv yog tsim rau loj-scale industrial ntau lawm, thiab tuaj yeem kho nrog ntau lub zog, xim, luster, qauv, qauv thiab lwm yam khoom raws li cov neeg siv khoom xav tau, nrog cov khoom ruaj khov thiab zoo ib yam.
2. Tsawg raug nqi thiab tus nqi ruaj khov. Cov khoom siv raw khoom xav tau rau kev tsim cov tawv tawv yog dav thiab ruaj khov, uas tuaj yeem ua tau raws li kev xav tau ntawm kev lag luam.
3. Vim yog cov yam ntxwv ntawm cov npoo zoo thiab cov khoom siv lub cev tsis sib xws ntawm cov tawv nqaij, qhov kev ua tau zoo ntawm kev txiav yog siab dua thiab kev siv txiav txiav ntau dua. Ib rab riam ntawm cov tawv tawv tuaj yeem txiav ntau cov khaubncaws sab nraud povtseg, thiab nws tsim nyog rau kev txiav tshuab tsis siv neeg; Cov tawv nqaij ntuj tsuas yog txiav rau hauv ib txheej xwb, thiab qhov tsis xws ntawm tawv tawv yuav tsum zam thaum txiav. Nyob rau tib lub sijhawm, riam yuav tsum tau npaj raws li cov ntaub ntawv tawv tsis sib xws, yog li txiav kev ua haujlwm tsawg.
4. Qhov hnyav ntawm cov tawv nqaij yog sib dua li ntawm cov tawv nqaij, thiab tsis muaj qhov tsis xws luag ntawm cov tawv nqaij xws li npauj noj thiab pwm.
5. Zoo acid kuj, alkali tsis kam thiab dej tsis kam, tsis fading thiab discoloration.