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Low porosity fire clay bricks

Al₂O₃(%) ≤42~45; Fe₂O₃ (%) ≤1.0~1.8
Cold Crushing Strength (Mpa)≥48~70
0.2mpa Refractoriness under loadT0.6 ℃≥1400~1500

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 checker brick under temperature below 800℃.

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