04 Nov yog li cas cenospheres tuaj yeem siv rau hauv riser tes tsho thiab cov txiaj ntsig zoo
Cov cenospheres tseem hu ua microspheres, lawv yog cov inert, hollow spheres thiab lub teeb yuag fillers. Thiab Lawv muaj qhov ceev qis, tsis muaj tshuaj lom, tiv taus corrosion, thermal ruaj khov, siab ib feem zog, zoo insulating, suab cais, dej tsawg absorbti ...