Fire Clay Brick

Name:Fire Clay Brick

Refractoriness ≥ ℃: 1650
Al2O3 %: 30-45
Bulk density g/cm³: 1.90-2.22
Cold crushing strength MPa: 20-40

Product Description

Product Description


Introduction

Fire clay brick is 50% soft clay and 50% hard clay clinker, according to a certain size requirements for ingredients, the molding, drying, in 1300~1400℃ high temperature firing.

Performance

It is mainly used for carbon furnace, baking furnace, heating boiler, glass furnace, cement kiln,fertilizer gasification furnace, blast furnace, the hot blast stove, coking furnace, furnace, casting and casting steel brick, etc.

Application

Steel furnaces, iron making furnaces, glass kiln, ceramic tunnel kiln, cement kiln.

Physical and Chemical Index

 

Item/Grade

Fire Clay Brick

SK-30

SK-32

SK-34

SK-35

AL2O3% (≥)

30

35

38

45

Fe2O3% (≤)

2.5

2.5

2

2

Refractoriness (SK)

30

32

34

35

Refractoriness under load, 0.2MPa, °C (≥)

1250

1300

1360

1420

Apparent porosity (%)

22-26

20-24

20-22

18-20

Bulk density (g/cm³)

1.9-2.0

1.95-2.1

2.1-2.2

2.15-2.22

Cold crushing strength ,MPa (≥)

20

25

30

40

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