Thermal shock resistant clay brick for hot blast stove

Product Name:Thermal shock resistant clay brick for hot blast stove

National sales hotline：139-0382-5488

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Refractories for Ironmaking: Series of refractories for blast furnace; Series of refractories for hot blast stove; Refractories for torpedo cans; Refractory for mixer

Refractory for steelmaking: Refractories for steelmaking; Refractories for nonferrous smelting industry; Refractories for glass building materials industry; Amorphous refractory

Hotline +8613903825488

Product introduction

It is a kind of clay brick which is made from refractory clay and used for building blast furnace hot blast stove.

Project Indicators	RN-42	HRN-42	HRN-48
AL2O3 %	≥42	≥42	≥48
Fe2O3 %	≤ 1.7	≤ 1.7	≤ 1.7
Fire resistance/Refractoriness,℃	≥1750	≥1750	≥1750
bulk density,g/cm3	≥2.15	≥2.15	≥2.35
Apparent porosity,%	≤ 24/23	≤ 24/21	≤ 24/21
Normal temperature compressive strength，MPa	≥30	≥40	≥40
0.2MPa load softening start temperature ℃	≥ 1400	≥ 1520	≥ 1550
Change rate of reheating lin （ % ）	0～-0.3	0～-0.3	0～-0.3
Thermal shock stability, (1100 ℃ water cooling) times	≥ 20	≥30	≥40
Note: denominator in the table is the index of checker brick.