Fireclay Bricks are made of high-grade flint clay, chamotte and bauxite, producing by drying pressing and high fired.
Features:
Low thermal expansion
Good thermal shock resistance
Excellent anti-acid erosion
General Usage Fireclay Bricks
Items
SX-42
SX-40
Al2O3 %
≥42
≥40
Fe2O3 %
≤2.0
--
Bulk density g/cm3
≥2.15
≥2.15
Refractoriness under load 0.2 Mpa ℃
≥1400
≥1350
Permanent linear change %
1400×2h
+0.1~-0.4
1350×2h
+0.1~-0.4
Apparent porosity %
≤22
≤26
Cold crushing strength Mpa
≥35
≥30
SX-42,SX-40 can be applied for the hotblast stove, coke oven and the general industrial furnaces lining.
Items |
SX-42 |
SX-40 |
|
Al2O3 % |
≥42 |
≥40 |
|
Fe2O3 % |
≤2.0 |
-- |
|
Bulk density g/cm3 |
≥2.15 |
≥2.15 |
|
Refractoriness under load 0.2 Mpa ℃ |
≥1400 |
≥1350 |
|
Permanent linear change % |
1400×2h +0.1~-0.4 |
1350×2h +0.1~-0.4 |
|
Apparent porosity % |
≤22 |
≤26 |
|
Cold crushing strength Mpa |
≥35 |
≥30 |
SX-42,SX-40 can be applied for the hotblast stove, coke oven and the general industrial furnaces lining.
Dense Fireclay Brick
Items
SXZM-45
SXZM-42
SXZM-40
Al2O3 %
≥45
≥42
≥40
Fe2O3 %
≤1.2
≤1.5
≤1.7
Refractoriness under load 0.2 Mpa ℃
≥1480
≥1450
≥1420
Permanent linear change %
1400×2h
+0.1~-0.2
1350×2h
+0.1~-0.2
1300×2h
+0.1~-0.4
Apparent porosity %
≤14
≤17
≤19
Cold crushing strength Mpa
≥60
≥55
≥45
Application: blast furnace, lime kiln, cement kiln, glass furnace, steel ladle, iron ladle and general industrial furnaces.
| Items |
SXZM-45 |
SXZM-42 |
SXZM-40 |
|
Al2O3 % |
≥45 |
≥42 |
≥40 |
|
Fe2O3 % |
≤1.2 |
≤1.5 |
≤1.7 |
|
Refractoriness under load 0.2 Mpa ℃ |
≥1480 |
≥1450 |
≥1420 |
|
Permanent linear change % |
1400×2h +0.1~-0.2 |
1350×2h +0.1~-0.2 |
1300×2h +0.1~-0.4 |
|
Apparent porosity % |
≤14 |
≤17 |
≤19 |
|
Cold crushing strength Mpa |
≥60 |
≥55 |
≥45 |
Application: blast furnace, lime kiln, cement kiln, glass furnace, steel ladle, iron ladle and general industrial furnaces.
Low Creep Fireclay Brick Items
DRN-128A
DRN-128B
DRN-125
DRN-120
DRN-115
Al2O3 %
≥45
≥45
≥45
≥42
≥40
Fe2O3 %
≤1.5
≤1.8
≤1.5
≤1.8
≤2.0
Apparent porosity %
≤17
≤20
≤22
≤22
≤24
Cold crushing strength Mpa
≥50
≥45
≥35
≥25
≥25
Creep rate 0.2Mpa 50h %
1280℃×25h
≤0.30
1280℃×25h
≤0.4
1250℃×25h
≤0.8
1200℃×25h
≤0.8
1150℃×25h
≤0.8
Permanent linear change %
1400℃×2h
-0.3~0.1
1400℃×2h
-0.3~0.1
1400℃×2h
-0.3~0.1
1350℃×2h
-0.4~0.1
1300℃×2h
-0.4~0.1
| Items | DRN-128A | DRN-128B | DRN-125 | DRN-120 | DRN-115 |
| Al2O3 % | ≥45 | ≥45 | ≥45 | ≥42 | ≥40 |
| Fe2O3 % | ≤1.5 | ≤1.8 | ≤1.5 | ≤1.8 | ≤2.0 |
| Apparent porosity % | ≤17 | ≤20 | ≤22 | ≤22 | ≤24 |
| Cold crushing strength Mpa | ≥50 | ≥45 | ≥35 | ≥25 | ≥25 |
| Creep rate 0.2Mpa 50h % | 1280℃×25h ≤0.30 | 1280℃×25h ≤0.4 | 1250℃×25h ≤0.8 | 1200℃×25h ≤0.8 | 1150℃×25h ≤0.8 |
| Permanent linear change % | 1400℃×2h -0.3~0.1 | 1400℃×2h -0.3~0.1 | 1400℃×2h -0.3~0.1 | 1350℃×2h -0.4~0.1 | 1300℃×2h -0.4~0.1 |
DRN-128A, DRN-128B is for the anode baking furnace, DRN-125,DRN-120,DRN-115 is for the hot blast stove and the other industrial furnaces.
Thermal Shock Resistance Fireclay Brick
|
Items |
RZN-42 |
RZN-40 |
|
Al2O3 % |
≥42 |
≥40 |
|
Fe2O3 % |
≤2.0 |
≤1.5 |
|
Apparent porosity % |
≤22 |
≤18 |
|
Cold crushing strength Mpa |
≥35 |
≥55 |
|
Refractoriness under load ℃ |
≥1420 |
≥1450 |
|
Permanent linear change % |
1450℃×2h -0.3~0.1 |
1350℃×2h -0.5~0.1 |
|
Thermal shock resistance 1100℃ water cooling cycles |
≥20 |
≥10 |