A na-eme ntụ ntụ alumina na-acha ọcha na-acha ọcha nke dị ala-sodium alumina ntụ ntụ site na-agbaze na oke okpomọkụ, na-eme ka kristal dị jụụ, wee gwepịa ya.Ihe na-acha ọcha fused aluminum oxide powder grit nọ n'okpuru nchịkwa siri ike iji mee ka nkesa nha ọka na ọdịdị na-agbanwe agbanwe.
Nkesa nha ọka nke ntụ ntụ alumina agwakọta ọcha dị warara.Mgbe nhazi nhazi, nnukwu ọcha corundum ntụ ntụ nwere ọka zuru oke, akụkụ dị nkọ na nkuku, arụmọrụ dị elu na-egweri, na-egbuke egbuke dị elu.Ịrụ ọrụ egweri dị elu karịa abrasives dị nro dị ka silica.
Ọkwa Abrasives | Refractory ọkwa | |||||
Ihe | Ọka | Micro ntụ ntụ | Nha otu | Ezigbo ntụ ntụ | ||
Al2O3 (%) ≥ | 99 | 99 | 99 | 98.5 | 99 | 99 |
Fe2O3 (%) ≤ | 0.05 | 0.06 | 0.08 | 0.1 | 0.1 | 0.1 |
SiO2 (%) ≤ | 0.26 | 0.28 | 0.30 | 0.40 | 0.35 | 0.35 |
TiO2 (%)≤ | 0.08 | 0.09 | 0.10 | 0.15 | 0.3 | 0.3 |
Nha | 12-80 | 90-150 | 180-220 | 240-4000 | 0-1mm 1-3 mm 3-5mm 5-8mm | -180mesh -200 ntupu -240 ntupu -320 ntupu |
Njirimara anụ ahụ | ||||
Ọdịdị | Angular | |||
Agba | Ọcha | |||
Isi ike | MOH 9.0 2100-3000kgf/cm2 | |||
Ezi njupụta | ≥3.90g/cm3 | |||
Isi ihe | a-Al2O3 |
Nyocha kemịkalụ | |||
Nha ọka | Akụkụ | Ihe GB Standard chọrọ | Uru a na-ahụkarị maka ngwaahịa anyị |
#4 - #80 | Al2O3 | ≥ 99.10% | 99.65% |
Na2O | ≤ 0.35% | 0.22% | |
Fe2O3 | - | 0.03% | |
SiO2 | - | 0.03% | |
#90 - #150 | Al2O3 | ≥ 99.10% | 99.35% |
Na2O | ≤0.40% | 0.30% | |
Fe2O3 | - | 0.04% | |
SiO2 | - | 0.05% | |
#180 - #220 | Al2O3 | ≥ 98.60% | 99.20% |
Na2O | 0.50% | 0.34% | |
Fe2O3 | - | 0.05% | |
SiO2 | - | 0.08% |
Na-egweri na polishing
Nkwadebe elu
Refractories
Nkedo nkenke
Mgbawa abrasive
Superabrasives
Ceramics na Taịlị
Ọ bụrụ na ị nwere ajụjụ ọ bụla. Biko nweere onwe gị ịkpọtụrụ anyị.