1. Cov khoom siv saum npoo av, tsis yog - ntxeem tau thiab tsis yog - permeable;
2. Tus phooj ywg zoo ib puag ncig, tsis yog - lom, thiab hluav taws xob - dawb, haum rau kev sib cuag zaub mov ncaj qha;
3. Muaj zog tiv thaiv dej, roj, stains, thiab kab mob, yooj yim los ntxuav;
4. Sov rau qhov kov, tiv taus cua sov thiab txias, cuam tshuam -tiv taus, ruaj khov thiab ruaj khov, thiab tsis deform;
5. Zoo yoog raws thiab muaj zog plasticity, tuaj yeem ua kom sov thiab khoov rau hauv cov duab, zoo dua cov neeg siv khoom xav txog cov tswv yim muaj tswv yim;
6. Txhua xim los nrog cov kua nplaum sib txuam, tso cai rau seamless splicing ntawm cov laug cam, muaj zog ua haujlwm (tuaj yeem ua tiav siv cov cuab yeej ua haujlwm ntoo, tuaj yeem siv cov txheej txheem sib xyaw ua ke, yooj yim rau xuab zeb ntau npoo), thiab kev kho kom zoo (kev puas tsuaj thiab cov hniav tuaj yeem kho, thiab kev tsim kho tsis zoo tuaj yeem rov ua dua);
7. Muaj ntau hom xim muaj, suav nrog cov xim tawv, beige, thiab pob tshab granules, tso cai rau kev sib xyaw ua ke dawb kom tau raws li ntau yam kev tsim qauv thiab tso koj lub tswv yim.