Silica sol yog ib hom milky colloid. Txij li cov nplej colloid yog feeb ({0}}micrometer) thiab muaj thaj tsam loj heev, yog li lawv tsis cuam tshuam rau cov xim ntuj ntawm cov ntaub ntawv yuav tsum tau them. Silica sol yog sib koom ua ke nrog dej, tab sis tsis nrog cov organic hnyav. Nws muaj peev xwm yaj nyob rau hauv ib tug daws ntawm cawv los yog dej tov nyob rau hauv ib tug ratio. Qhov txawv feature yog hais tias nrog tsawg viscosity, nws muaj peev xwm tsau rau qhov chaw uas dej soaks, yog li ntawd, silica sol nthuav tawm zoo heev dispersion thiab permeability thaum tov nrog lwm yam tshuaj. Thaum cov dej noo muaj nyob rau hauv silica sol yog evaporated, cov nplej colloid ruaj khov rau ntawm cov khoom nto thiab kev sib xyaw ntawm silicon thiab oxygen ces tsim ntawm cov nplej. Nws yog ib qho nplaum zoo. Qhov ntawd yog lub luag haujlwm tseem ceeb ntawm silica sol ua cov nplaum molding rau stainless hlau peev casting.
Silica sol castings yog tsuas yog siv rau cov khoom uas muaj corrosion kuj thiab precision qhov ntev, txij li thaum silica sol steel casting tuaj yeem muaj qhov zoo ntawm qhov zoo thiab tsawg dua qhov sib txawv ntawm qhov ntev. Lub ntsiab silica sol steel castings peb puas tau ua muaj xws li nqaij grinder qhov chaw, valve castings, twj tso kua mis castings, marine hardware, thiab rooj tog kho kom zoo nkauj thiab lwm yam.