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Mullite steel fiber castable
The main component of silicon fine powder is silicon dioxide, which belongs to acid oxide. It can react with CaO to form CaSiO3 (calcium silicate) at about 800℃, and react with MgO to form MgSiO3 (magnesium silicate) at 1350 ℃. It has great erosive damage for lime kiln, so many lime kiln refractory castables for lime kiln are not allowed to add silicon fine powder (SiO2≥93%).
1. With good molecular structure strength, the wear resistant coefficient is 1 times higher than the industry standard.
2. With good construction performance, can be applied to the construction needs of different temp sections.
3. With good slag resistant performance, strong erosion resistance, can be used in harsh operating environment and not easy be damaged.
4. With low high temp creep rate, small thermal expansion, and good rapid cooling and thermal resistance.
|Mullite steel fiber castable||Index|
|Bulk density（g/㎝3;） 110℃×24h||2.6-2.85|
|Compressive strength（MPa） ≥||110℃×24h||100|
|Linear change rate （%）||1100℃×3h||±0.1|
|Product features||Silicon-free micropowder, no phosphate|