Silica gel yog cov khoom siv adsorption zoo heev, cov tshuaj amorphous, thiab nws cov tshuaj formula yog mSiO2·nH2O. Nws yog insoluble nyob rau hauv dej thiab tej kuab tshuaj, non-toxic, tasteless, tshuaj ruaj khov, thiab tsis hnov mob nrog tej yam tshuaj tshwj tsis yog muaj zog alkalis thiab hydrofluoric acid. Ntau hom silica gel tsim cov qauv microporous sib txawv vim lawv txoj kev tsim khoom sib txawv. Cov tshuaj lom neeg muaj pes tsawg leeg thiab cov qauv ntawm lub cev ntawm silica gel txiav txim siab tias nws muaj ntau lwm cov ntaub ntawv zoo sib xws uas nyuaj los hloov: kev ua haujlwm siab adsorption, zoo thermal stability, ruaj khov khoom, thiab siab mechanical zog.
KHOOM PLIG
Peb cov khoom siv kua nplaum silicone tau dhau ntau qhov kev sim thiab tau txais daim ntawv pov thawj sib xws. Peb cov khoom yog ib puag ncig tus phooj ywg thiab tsis muaj tshuaj lom. Peb cov khoom muag tau muag thoob plaws ntiaj teb thiab tau txais kev qhuas zoo.
Cowint tau cog lus rau kev tshawb nrhiav thiab tsim cov khoom siv tshiab, xws li tes roundanglesilicone, foil paste, glitter paste thiab lwm yam slurries. Nrog 25 xyoo ntawm txoj kev loj hlob, tam sim no nws tau dhau los ua tus thawj coj hauv kev lag luam. Pab neeg no txuas ntxiv mus. Nws zoo li tsev neeg loj. Hauv qee lub koob tsheej, lub tuam txhab yuav npaj pab pawg tsim kev ua ub no rau txhua tus. Qee qhov kev ua si kuj yog qee qhov kev sib tw. Txhua tus neeg muaj qee qhov kev sib koom ua ke, uas yog qhov zoo rau lub tuam txhab' kev txhim kho kev lag luam.
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