Quick drying explosion-proof castable

Detailed introduction

Quick-drying explosion-proof castable is a kind of high-performance castable specially designed to meet the requirements of short construction time, quick heating up and long service life of heating furnace. The baking time is 2-4 days. Compared with conventional castable which takes 9-15 days, the baking time is saved and valuable production time is gained for enterprises. This series of castables can be applied to all parts of industrial furnace. It has been successfully used in heating furnaces of more than ten steel plants, such as Tangshan Rolling Mill, Tianjin Maanshan Iron and Steel Co., Shijiazhuang Iron and Steel Co., Langfang New Steel Co., Tangshan Yushun Long Co., etc. It is an ideal material for annual repair, major and minor repair of various heating furnaces.

Main Properties


Index

Item

TNFJ-l

TNFJ-2

TNFJ-3

TNFJ-4

TNFJ-5

                         TNFJ-6

Al203, % ≥

55

58

60

65

66

70 (含MgO)

bulk density, g/cm³≥

2.30

2.35

2.42

2.46

2.48

2.52

C.C.S, MPa ≥

110℃

15

17

20

25

30

25

1400℃

50

55

58

62

70

60

linear change after heating, %

1400℃

± 0.5

± 0.5

± 0.5

± 0.5

± 0.5

± 0.6

application

Furnace top and low temperature furnace wall

Furnace wall and furnace roof

Partition wall and discharge end wall

Furnace bottom at high temperature

快干防爆浇注料 


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