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.
Fyzikálne vlastnosti a chemické zloženie
| Položka |
štandard |
| Zloženie (%) |
Záručná hodnota |
Typická hodnota |
| Al₂03 |
72 ~ 76 |
74.10 |
| SiO₂ |
23 ~ 27 |
25.08 |
| Fe₂O₃ |
≤0.10 |
0.05 |
| R2O |
≤0.50 |
0.18 |
| Mullite phase(%) |
≥93 |
| Sklenená fáza (%) |
≤7 |
| Coeffcientof linear expansion (1/℃) |
-6.0 x 10 |
| Objemová hmotnosť (g/cm3) |
≥2.9 |
| Veľkosť častice |
0~1~3~5~8mm,180 mesh,200 mesh,240 mesh,325 mesh |
| Inšpekčný štandard |
GB/T21114-2007; GB/T2999-2002 |
| Balenie |
Vnútorné plastové a vonkajšie tkanie 25 kg / taška (možno prispôsobiť podľa požiadaviek zákazníka) |
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