Chrome corundum (etiam corundum roseum notum) fit per reactionem chemica chrome-viridis et industrialis aluminae metallurgicae in caliditate supra 2000 gradus.Chromium oxydi chromi quidam adiciuntur in ustione, quod leve est purpureum vel rosa.
Chromium corundum praecellit in comprehensiva observantia possidet alta duritia, alta duritia, alta puritas, excellentis sui acuit, fortis stridor facultatem, humilis caloris generatio, alta efficientia, acidum et alcali resistentia, caliditas resistentia, et bona scelerisque stabilitas.
Additio elementi chemici Cr in chrome corundum duritiem instrumentorum laesurarum ampliat.Simile est corundum albo in duritia, sed altius in duritia.Instrumenta laesiva chrome corundum facta bonam habent firmitatem et altam metam.Late adhibetur in abradendis, stridoribus, poliendis, praecise arenis ejiciendis, spargendis materiis, tabellarius chemicus catalyst, speciales ceramicos, et sic porro.Agros applicabiles comprehendunt: instrumenta mensurae, instrumentum machinae fusi, partes instrumenti, stridor subtilis in productione staminea et exemplar.
Chrome corundum altam habet viscositatem et permeabilitatem bonam ob chromium oxydi-conti vitrei componentis, quod late exesum et penetrationem scoria fusilis impedire potest.Etiam late in campis calidis ambitus asperis, inclusis fornacibus metallurgiis non ferreis, fornacibus vitreis liquefactis, reactoribus carbonis nigris, purgamentis incineratoribus et castellis refractoribus.
Chromium corundum products
Physica et chemica Indicatores
| Chromium oxydatum contentum | Chrome humilis 0.2 --0.45 | chromium 0.45--1.0 | Princeps Chromium 1.0--2.0 |
Granularity range
| AL2O3 | Na2O | Fe2O3 | |
| F12--F80 | 98.20min | 0.50max | 0.08max |
| F90--F150 | 98.50min | 0.55max | 0.08max |
| F180--F220 | 98.00min | 0.60max | 0.08max |
densitas vera: 3.90g/cm3 mole densitatis: 1.40-1.91g/cm3
Microhardness: 2200-2300g/mm2
Chrome Corundum Macro
| PEPA | Mediocris frumenti magnitudine (μm) |
| F 020 | 850 – 1180 |
| F 022 | 710 – 1000 |
| F 024 | 600 – 850 |
| F 030 | 500 – 710 |
| F 036 | 425 – 600 |
| F 040 | 355 - 500 |
| F 046 | 300 – 425 |
| F 054 | 250 – 355 |
| F 060 | 212 – 300 |
| F 070 | 180 – 250 |
| F 080 | 150 – 212 |
| F 090 | 125 – 180 |
| F 100 | 106 – 150 |
| F 120 | 90 – 125 |
| F 150 | 63 – 106 |
| F 180 | 53 – 90 |
| F 220 | 45 – 75 |
| F240 | 28 – 34 |
Typical corporalis analysis
| Al2O3 | 99.50% |
| Cr2O3 | 0.15% |
| Na2O | 0.15% |
| Fe2O3 | 0.05 % |
| CaO' | 0.05 % |
Typical physica
| duritia | 9.0 mohs |
| Color | pink |
| Frumenti figura | angularis |
| Liquescens punctum | ca.2250 °C |
| Maximum ministerium temperatus | ca.1900 °C |
| Gravitas specifica | ca.3.9 – 4.1 g/cm3 |
| mole densitatis | ca.1.3 – 2.0 g/cm3 |