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Phosphoric Acid Impregnated Fireclay Brick and High Alumina Brick for Blast Furnace

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Refractory Materials For Ironmaking Systems

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Index/ Item	Fireclay Brick	High alumina Brick
Index/ Item	LGN-42	LGL-65	LGL-55
Al₂0₃,%	≥42	≥65	≥55
P,%	≥1.4	≥1.4	≥1.4
Fe₂0₃,%	≤1.7	≤2.0	≤2.0
Refractoriness,℃	≥1750	≥1790	≥1770
BD,g/em	≥2.30	≥2.70	≥2.60
AP,%	≤14	≤15	≤16
CCS,MPa	≥60	≥65	≥65
0.20MPa RUL，℃	≥1450	≥1500	≥1480
PLC(1500℃×3h),%	0 ~ -0.2	(1500℃×2h) +0.1~-0.4	±0.2
Resistance to alkali(Strength loss ratio),%	≤15	≤15	≤15

Key words:

Fireclay Bricks for Blast Furnace

Iron Chips Fillings for Blast Furnace

Fireclay Bricks for Blast Furnace

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