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Cenosphere (Microsphere)
1. Lub pob zeb tshauv uas ntab tau saum dej.
2. Nws yog xim greyish dawb, nrog cov phab ntsa nyias thiab khoob, lub teeb yuag, qhov hnyav ntau 250-450kg / m3, thiab qhov loj me me li 0.1 hli.
3. Siv dav hauv kev tsim cov khoom siv hnyav thiab roj drilling thiab hauv ntau yam lag luam. -
Cov Iav Hollow Microspheres
1. Ultra-light inorganic non-metallic hmoov nrog hollow "pob-bearing" duab,
2. Hom tshiab ntawm cov khoom siv ua haujlwm siab thiab siv dav
