The "Jun" brand fused mullite main raw materials are industrial alumina and high-quality quartz sand, which is smelted by large high-temperature electric arc furnaces. Fused mullite is the only stable binary compound in alumina-silica dual system. lt is a high-quality refractory material. The colors are gray -white, needle shaped, cylindrical crystals, and high bending strength. lt has the
characteristics of uniform expansion, good thermal shock stability， highly refractoriness under load, small high temperature creep value , high hardness,good anti -chemical corrosion etc. With its excellent heat shock resistance and abrasion resistance, it is widely used in glass kiln body furnace lining bricks,alkaline -free glass sedimentation tank mullite bricks, large smelting blast furnace hot air furnace bricks, blast-furnace low creep sillimanite brick, ceramic kiln furniture, saggar, petrochemical and other industries are raw materials for high -end refractory materials.
물리적 특성 및 화학적 조성
| 항목 | 스탠다드 | |
| 구성 (%) | 보증 가치 | 전형적인 가치 |
| Al₂O₃ | 72 ~ 76 | 74.10 |
| SiO2 | 23 ~ 27 | 25.08 |
| Fe²O₃ | ≤ 0.10 | 0.05 |
| R²O | ≤ 0.50 | 0.18 |
| Mullite phase(%) | ≥93 | |
| Glass phase(%) | ≤ 7 | |
| Coeffcientof linear expansion (1/℃) | -6.0x10 | |
| 부피밀도(g/cm3) | ≥2.9 | |
| 입자 크기 | 0~1~3~5~8mm,180 mesh,200 mesh,240 mesh,325 mesh | |
| 검사 기준 | GB/T21114-2007;GB/T2999-2002 | |
| 포장 | 내부 플라스틱 및 외부 직조 25KG/가방(고객 요구 사항에 따라 맞춤 설정 가능) | |
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