Refractory Bricks
Refractory Materials used for BF ceramics cup

Refractory Materials used for BF ceramics cup

Characteristics:

The compound brown alumina brick produced by our company for the ceramic cups is mainly made of secondary-calcining iron with low carbon residual brown fused alumina and quality silicon carbide by adding special additives, then moulded under high pressure and sintered under high temperature. It has high compressive strength at room temperature, small apparent porosity, good slag penetration and molten iron corrosion resistance capacities.

Specifications

1. for Glass Melting Furnace

2. High quality and best price

3. Chemical stability

4. ISO9001:2000

5. Timely deliver

Applications: Metallurgy, building materials, chemical industry, petroleum, machinery manufacturing, silicate, power and other industries.

Compound Brown Alumina Brick

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

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