Refractory Bricks
Clay brick for lime kiln

Clay brick for lime kiln

Items

Index

N-1

N-2a

N-2b

N-3a

N-3b

N-4

N-5

N-6

Refractoriness, °C ≥

1750

1730

1730

1710

1710

1690

1670

1580

Refractoriness Under Load, °C, [0.2MPa×0.6%]  ≥

1400

1350

--

1320

--

1300

--

--

Linear Change on Rehearting, %

1400°C×2h

+0.1  -0.4

+0.1  -0.5

+0.2  -0.5

--

--

--

--

--

1350°C×2h

--

--

--

+0.2  -0.5

+0.2  -0.5

+0.2  -0.5

+0.2  -0.5

--

Apparent Porosity,  %   ≤

22

26

24

24

26

24

26

28

Cold Crushing Strength,  MPa  ≥

30.0

20.0

25.0

20.0

15.0

20.0

15.0

15.0

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