Blast furnace mud

Detailed introduction

(1) explain:
Blast furnace mud is a refractory made of aluminium silicate, SiC, coke particles, binders and additives.
(2) characteristics:
Good viscoplasticity, easy sintering, erosion resistance, corrosion resistance, good volume stability, suitable depth of iron notch, good use of fruit.
(3) use part: blast furnace tapping hole


 Main Properties


Index

Item

PN-1

PN-2

PN-3

PN-4

 chemical moisture% ≥

Al2O3

40

30

24

20

SiC+C

30

30

32

32

1350℃ X 3h

bulk density,g/cm³ ≥

1.85

1.70

1.50

1.40

App. porosity % ≥

32

34

38

40

C. C .S,MPa ≥

10.0

8.5

6.0

5.0

M.O.RMPa ≥

1.7

1.5

1.4

1.3

linear change after heating, % ≤

-1.1

-1.2

-1.4

-1.4

 高炉炮泥


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