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Fused Mullite--Refractory:
1.Alias:Mullite
2.HS CODE: 38160000
3.Main Chemical Component: Al2O3
4.Appearance: Brown Grain or Fine Powder
5.Detail Specifications:
| Properties | Elct.melt.3AL2O3.2SiO2 | ||
| Chemical Index | Grain(>0.1mm) | Powder(<0.1mm) | |
|
Al2O3 |
70-77 | 70-77 | |
| SiO2 | 22-29 | 22-29 | |
| Fe2O3 (%) Max | 0.20 | 0.30 | |
| TiO2 (%) Max | 0.10 | 0.10 | |
| CaO (%) Max | 0.30 | 0.30 | |
| K2O+Na2O (%) Max | 0.30 | 0.50 | |
| Physical Index | Refractoriness(℃) | 1850 Min |
| Particle Bulk Density(g/cm3) | 3.00 Min | |
| Linear Expansion Coefficient | -6x10-6/℃ | |
| Glass Phase Content (%) | 5-6 Max | |
| Apparent porosity (%) | 5 Max |
6.Properties:
Fused Mullite is produced by Bayer process alumina and high purity quartz sand while fusing in super-large electric
arc furnace.It has a high content of needle-like mullite crystals which confer high melting point ,low reversible thermal
expansion and excellent resistance to thermal shock ,deformation under load, and chemical corrosion at high temperature.
7.Usage:
8.Package,Storage,Transportation:
Packed in 25kgs p.p bag and 1MT Jumbo bag,cargo should be kept in good & dry condition. to avoid brakage,contamination.
| COA Download | MSDS Download |