A na-eji alumina agwakọta agba aja aja bụ bauxite dị elu dị ka akụrụngwa, anthracite na ntinye ígwè.A na-eme ya site na mgbaze arc na 2000 ° C ma ọ bụ karịa okpomọkụ.A na-eji igwe na-egweri onwe ya na-egwepịa ya ma mee ya rọba, jiri magnetik ahọrọ iji wepụ ígwè, gbanye ya n'ụdị dị iche iche, na udidi ya dịkwa oke ma sie ike.
Akụkụ kemịkalụ na nke anụ ahụ | ||||||
Ihe | Al2O3 | Fe2O3 | SiO2 | Nnukwu njupụta | Agba | Ngwa |
Ọkwa I | ≥95 | ≤0.3 | ≤1.5 | 3.85 | Maroon | Ihe ntughari, |
Ọkwa II | ≥95 | ≤0.3 | ≤1.5 | 3.85 | Ihe ojii | ezigbo polishing |
Ọkwa III | ≥95 | ≤0.3 | ≤1.5 | 3.85 | ntụ ntụ ntụ | Nchacha, egweri |
Ọkwa IV | ≥95 | ≤0.3 | ≤1.5 | 3.85 | Ihe ojii | Egweri, ịcha, ájá |
Ọkwa V | ≥95 | ≤0.3 | ≤1.5 | 3.85 | ntụ ntụ ntụ | Nchacha, egweri |
1.Brown fused alumina dị mma maka ịme seramiiki na resin bonded abrasive ngwá ọrụ, nke a na-eji na-egweri ọla nke ike dị elu, dị ka carbon ígwè, n'ozuzu nzube alloy ígwè, malleable nkedo-ígwè na hard bronze wdg.
2. Ọ na-ọtụtụ-eji dị ka elu nkwadebe abrasive, ihicha, egweri, polishing nke dị iche iche ọla, iko, roba, ebu industries.
3. A pụkwara iji ya mee ihe dị ka ihe na-atụgharị.
Ọ bụrụ na ị nwere ajụjụ ọ bụla. Biko nweere onwe gị ịkpọtụrụ anyị.