Ngwakọta kemịkalụ nke beads na-ese n'elu mmiri bụ silicon dioxide na aluminom oxide.Ọ nwere ọtụtụ njirimara dị ka ihe dị mma, oghere, ịdị arọ dị arọ, ike dị elu, nkwụsi ike na-eyi, nkwụsị okpomọkụ dị elu, mkpuchi ọkụ na ọkụ ọkụ.A na-ejikarị ya eme ihe na Otu n'ime akụrụngwa maka ụlọ ọrụ refractory.
| SiO₂ | Al2O3 | Fe2O3 | CaO | MgO | K2O | Na2O |
| 56%-62% | 33%-38% | 2%-4% | 0.2% -0.4% | 0.8% -1.2% | 0.8% -1.2% | 0.3% -0.9% |
Ụdị anyị: cenosphere isi awọ, cenosphere ọcha.
Nha: 20 ntupu, 40 ntupu, 100 mesh, 200 ntupu.
Ihe eji eme ihe: ihe mkpuchi ọkụ.ụlọ ọrụ rọba wdg
Oge nzipu: Mar-07-2022