Awọn nkan | Kemikali akopo (ida ti o pọju)/% | Ìwọ̀n olópo g/cm³ | Owu ti o han % | Refractoriness ℃ | 3Al2O3.2SiO2 Ipele (Ipin ti o pọju)/% | |||
Al₂O₃ | TiO₂ | Fe₂O₃ | Na₂O+K₂O | |||||
SM75 | 73-77 | ≤0.5 | ≤0.5 | ≤0.2 | ≥2.90 | ≤3 | 180 | ≥90 |
SM70-1 | 69-73 | ≤0.5 | ≤0.5 | ≤0.2 | ≥2.85 | ≤3 | 180 | ≥90 |
SM70-2 | 67-72 | ≤3.5 | ≤1.5 | ≤0.4 | ≥2.75 | ≤5 | 180 | ≥85 |
SM60-1 | 57-62 | ≤0.5 | ≤0.5 | ≤0.5 | ≥2.65 | ≤5 | 180 | ≥80 |
SM60-2 | 57-62 | ≤3.0 | ≤1.5 | ≤1.5 | ≥2.65 | ≤5 | 180 | ≥75 |
S-Sintered;M-Mullite;-1: ipele 1
Awọn apẹẹrẹ: SM70-1, Sintered Mullite, Al₂O₃: 70%;Ipele 1 ọja
Botilẹjẹpe mullite wa bi nkan ti o wa ni erupe ile adayeba, awọn iṣẹlẹ ni iseda jẹ ṣọwọn pupọ.
Ile-iṣẹ naa da lori awọn mullites sintetiki eyiti o waye nipasẹ yo tabi 'calcining' ọpọlọpọ awọn alumino-silicates bii kaolin, amọ, ṣọwọn andalusite tabi yanrin daradara ati alumina si awọn iwọn otutu giga.
Ọkan ninu awọn orisun adayeba ti o dara julọ ti mullite jẹ kaolin (gẹgẹbi awọn amọ kaolinic).O jẹ apẹrẹ fun iṣelọpọ awọn iṣipopada gẹgẹbi ina tabi awọn biriki ti ko ni ina, awọn kasiti ati awọn apopọ ṣiṣu.
Sintered mullite ati mullite dapo ti wa ni nipataki lo fun isejade ti refractories ati awọn simẹnti ti irin ati titanium alloys.
• Rere irako resistance
• Low gbona imugboroosi
• Low gbona elekitiriki
• Iduroṣinṣin kemikali ti o dara
• O tayọ thermo-darí iduroṣinṣin
• O tayọ gbona mọnamọna resistance
• Porosity kekere
• Ni afiwe fẹẹrẹ
• Oxidation resistance