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Silica Brick

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Description

Index Silica Bricks for glass kiln Silica Bricks for Hot-Blast stoves
BG-95A BG-95B BG-96A BG-96B GZ-94 GZ-95 Wall of stove Check brick
Refractoriness ℃ ≥1710 ≥1710
True density ≤2.34 ≤2.34 ≤2.35 ≤2.35 ≤2.38 ≤2.37 ≤2.35 ≤2.35
Apparent porosity % ≤22(24) ≤22(24) ≤22(24) ≤22(24) ≤23 ≤22 ≤22 ≤23
Cold crushing strength MPa ≥35(30) ≥35(30) ≥35(30) ≥35(30) ≥24.5 ≥29.4 ≥35 ≥30
Refractoriness under load 0.2Mpa ℃ ≥1660 ≥1650 ≥1680 ≥1670 ≥1640 ≥1650
Melting index% ≤ 0.7(0.7) 0.5(0.6)
Creep 0.2Mpa × 50h % 1550℃ ≤ 0.8 1550℃ ≤ 0.8
Thermal shock resistance at 1000℃ % ≤1.26 ≤1.26
Remain quartz % Data must be provided
Chemical
composition SiO2 % ≥95 ≥95 ≥96 ≥96 ≥94 ≥94 ≥95 ≥95
Fe2O3 % ≤1.0 ≤1.0 ≤0.8 ≤1.0

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