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Low porosity fire clay bricks for glass furnace regenerator

Al₂O₃(%) ≥42; Fe₂O₃ (%) ≤1.65
Bulk Density (g/cm³)≥2.30; Apparent Porosity (%) ≤15
Cold Crushing Strength (Mpa) ≥60; 0.2mpa Refractoriness under load T0.6 (℃) ≥1450

Application:

Due to low apparent prosity, strong resistance to erosion and high refractoriness under load, low porosity fire clay bricks can be used for regenerator of glass furnace as checkers brick under temperature below 800℃.

　　Low porosity fire clay bricks are made of super calcined flint clay and calcined bauxite, with high pressure formed and high temperature sintered.

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Index	DN-12	DN-15
Al₂O₃ (%) ≥	45	42
Fe₂O₃ (%) ≤	1.20	1.65
Bulk Density (g/cm³)≥	2.35	2.30
Apparent Porosity (%) ≤	12	15
Cold Crushing Strength (Mpa) ≥	65	60
Refractoriness (℃) ≥	1750	1750
Reheating Linear Change, 1400℃×2h (%)	-0.1+0.05	-0.2～0.00
0.2mpa Refractoriness under load T0.6 (℃) ≥	1470	1450

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Low porosity fire clay bricks for glass furnace regenerator

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