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Refractory gunning mix for hot blast stove
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Refractory gunning mix for hot blast stove

The hot-blast furnace infrastructure casting material/gunning mix adopts porous clinker and light mullite as the main raw materials, and uses ultra-fine powder technology to add various admixtures, which has the advantages of high strength, good volume stability and easy construction.
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The hot-blast furnace infrastructure casting material/gunning mix adopts porous clinker and light mullite as the main raw materials, and uses ultra-fine powder technology to add various admixtures, which has the advantages of high strength, good volume stability and easy construction.

 

Transportation and storage

1. During transportation, we must pay attention to rainproof;

2. The material must be stored in a dry and clean place to prevent the material from getting wet and hardened;

3. If the material inside the package is indurated, it can not be used again.

 

Item FN-130 DH-140 FL-130 MS-1 FL-S XA-1
Al2O3 (%)  ≥ 40 45 35 50 / 62
CaO (%) ≤ / / / 0.5 / /
Refractoriness (℃) ≥ 1530 1610 / 1530 / 1730
C.C.S(MPa)≥ 19.6 24.5 14.7 / / 39.23
B.S (MPa)≥ 110℃×24h 3.9 5.9 2.9 2.9 1.5 6.9
After burning 1300℃ 0.98 1400℃ 0.98 1300℃ 0.49 Acid treatment 1.96 800℃ 0.49 1300℃ 0.49
Linear change rate (%) 1300℃×3h 1400℃×3h 1300℃×3h 1300℃×3h 800℃×3h 1300℃×3h
±0.1 ±0.1 ±0.1 ±0.1 ±0.1 ±0.1
B.D after burning (g/cm3) ≥ 1300℃×3h 1400℃×3h 1300℃×3h 1300℃×3h 110℃×3h 1300℃×3h
1.65 1.9 1.4 2.1 0.9-1.1 2.3
Application Hot blast stove system Hot air duct Hot air duct Hot blast stove roof Flue Hot blast stove lining

 

Refractory gunning mix for hot blast stove

 

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