ltems

Unit

HT-A-1

HT-A-2

AL2O3 ≥

%

78

75

T ≤

%

1.0

1.0

SiC ≥

%

8

9

BD g/cm³ ≥

g/cm³

3.0

2.9

AP % ≤

%

15

16

CCS MPa ≥

MPa

110

100

0.2MPa×0.6%RUL

Refractory under load ≥

°C

1700

1680

Molten iron corrosion index ≤

%

2

2

Declining rate of the compressive strength after alkali proof test ≤

%

15

15

TCS

800°C W/m.k

Furnish data measured

Furnish data measured

Performance characteristics

—

Blast furnace tuyere, slag notch

Ceramic mat for blast furnace