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.
Φυσικές Ιδιότητες και Χημική Σύνθεση
| Είδος |
Αρχικό |
| Σύνθεση (%) |
Εγγυητική αξία |
Τυπική αξία |
| AlXNUMXOXNUMX |
72 76 ~ |
74.10 |
| SiO2 |
23 27 ~ |
25.08 |
| Fe2O3 |
≤ 0.10 |
0.05 |
| R2O |
≤ 0.50 |
0.18 |
| Mullite phase(%) |
≥93 |
| Γυάλινη φάση (%) |
≤ 7 |
| Coeffcientof linear expansion (1/℃) |
-6.0x10 |
| Μαζική πυκνότητα (g/cm3) |
≥2.9 |
| Μέγεθος σωματιδίου |
0~1~3~5~8mm,180 mesh,200 mesh,240 mesh,325 mesh |
| Πρότυπο επιθεώρησης |
GB/T21114-2007; GB/T2999-2002 |
| Συσκευασία |
Εσωτερικό πλαστικό και εξωτερική ύφανση 25KG/τσάντα (μπορεί να προσαρμοστεί σύμφωνα με τις απαιτήσεις του πελάτη) |
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