Daim ntawv thov:

1.it yog tsuas yog siv rau kev ua cov ntaub ntawv inorganic, xws li iav, ceramics, mica, silica, kaolin, talc, thiab lwm yam. los txhim kho SiC thiab organic teeb meem (xws li yas, roj hmab, roj hmab, nplaum) compatibility thiab waterproof. kev ua tau zoo, txhim kho cov khoom siv kho tshuab ntawm cov khoom.
2. tuaj yeem tiv thaiv cov iav dawb thiab cov iav kho qhov muag (optical antireflection txheej, lub tshuab nqus tsev antireflection txheej, reflective zaj duab xis).Cov khoom siv kho qhov muag lossis cov cuab yeej precision thiab cov cuab yeej nrog cov nplai thiab cov hlau thav duab tuaj yeem tiv thaiv.
3. tuaj yeem tiv thaiv acid corrosion, khov-thaw, huab cua kev puas tsuaj ntawm kab lis kev cai relics (tshwj xeeb tshaj yog rau sab nraum zoov kab lis kev cai relics).