Tundish High Alumina Castable

Tundish High Alumina Castable

Hongda high performance refractory castables include low cement, ultra low cement and anhydrous castables, characteristics with high strength, good volume stability, good thermal shock resistance, corrosion and abrasion resistance, are widely used in all kinds of industrial kiln lining and melting furnace lining 

Technical instructions

Hongda high performance refractory castables include low cement, ultra low cement and anhydrous castables, characteristics with high strength, good volume stability, good thermal shock resistance, corrosion and abrasion resistance, are widely used in all kinds of industrial kiln lining and melting furnace lining 

Technical Parameters

 

HIGH ALUMINA BASE

BRAND

HD-LJ50

HD-LJ55

HD-LJ60

HD-LJ65

HD-LJ70

HD-GJ75

Al2O3      (%)    ≥

50

55

60

65

70

75

BD(g/cm3)     ≥

110℃ × 24 h

2.2

2.2

2.3

2.3

2.5

2.6

MOR(MPa)   ≥

110℃ × 24 h

6

7

7

8

8

9

1350℃ × 3 h

8

8

10

10

11*

11*

CCS(MPa)  ≥

110℃ × 24 h

25

30

35

40

45

50

1350℃ × 3 h

30

40

45

50

60*

65*

PLC (%) ≤

1350℃ × 3 h

±0.5

±0.5

±0.5

±0.5

±0.5*

±0.5*

REF    (℃)

1350

1400

1450

1500

1550

1600

 

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