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.
Физик шинж чанар ба химийн найрлага
| Барааны |
стандарт |
| Найрлага (%) |
Баталгаат үнэ цэнэ |
Ердийн утга |
| Al₂O₃ |
72 ~ 76 |
74.10 |
| SiO₂ |
23 ~ 27 |
25.08 |
| Fe₂O₃ |
≤0.10 |
0.05 |
| R₂O |
≤0.50 |
0.18 |
| Mullite phase(%) |
≥93 |
| Шилэн үе шат(%) |
≤7 |
| Coeffcientof linear expansion (1/℃) |
-6.0x10 хэмжээтэй |
| Бөөн нягт (г/см3) |
≥2.9 |
| ширхэгийн хэмжээ |
0~1~3~5~8mm,180 mesh,200 mesh,240 mesh,325 mesh |
| Хяналтын стандарт |
GB/T21114-2007;GB/T2999-2002 |
| Сав баглаа боодол |
Дотор хуванцар болон гадна нэхэх 25кг / уут (хэрэглэгчийн шаардлагад нийцүүлэн өөрчлөх боломжтой) |
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