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Fire Clay Refractory Bricks

Short Description:

Product Name: Fire Clay Bricks 
Model: SK32/SK33/SK34
SiO2: 45%~70%  
Al2O3: 35%~45%
MgO: 0.20%Max
CaO: 0.2-0.4% 
Fe2O3: 2.0%-2.5% 
Refractoriness: Common (1580°< Refractoriness< 1770°)
Refractoriness Under Load@0.2MPa: 1250℃-1350℃
Permanent Linear Change@1400℃*2H: ±0.3%-±0.5%
Cold Crushing Strength: 20~30MPa
Bulk Density: 2.0~2.2g/cm3
Apparent Porosity: 22%~26%
HS Code: 69022000

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Product Detail

Product Tags

Product Information

Product Name	Fire clay bricks
Alumina Contents	35% to 45%
Material	Fire clay material
Color	Generally dark yellow, the higher the aluminum content, the lighter the color
Model Number	SK32, SK33, SK34, N-1, low porosity series, special series (special for hot blast stove, special for coke oven, etc.)
Size	Standard size: 230 x 114 x 65 mm, special size and OEM service also provide!
Shape	Straight brick, special-shaped brick, checher brick, trapezoidal brick, bricks with taper, arch brick, skew brick, ect.
Features	1.Excellent resistance in slag abrasion; 2.Lower impurity content; 3.Good cold rush strength; 4.Lower thermal line expansion in high temp; 5.Good thermal shock resistance performance; 6.Good performance in high temp refractoriness under load.

description

Fireclay bricks belong to one of the main varieties of aluminum silicate products. It is a refractory product made of clay clinker as aggregate and refractory soft clay as binder with Al2O3 content in 35%~45%.

Details Images

Fire Clay Bricks

Clay Checker Bricks (For Coke Oven)

Clay Wedge Bricks

Clay Shaped Bricks

Low Porosity Clay Bricks

Clay Checker Bricks (For Hot Stoves)

Clay Wedge Bricks

Octagonal Bricks

Product Index

INDEX PRODUCT	SK-32	SK-33	SK-34
Refractoriness(℃) ≥	1710	1730	1750
Bulk Density(g/cm3) ≥	2.00	2.10	2.20
Apparent Porosity(%) ≤	26	24	22
Cold Crushing Strength(MPa) ≥	20	25	30
@1350°×2h Permanent Linear Chang(%)	±0.5	±0.4	±0.3
Refractoriness Under Load(℃) ≥	1250	1300	1350
Al2O3(%) ≥	32	35	40
Fe2O3(%) ≤	2.5	2.5	2.0

Low Porosity Clay Bricks Model	DN-12	DN-15	DN-17
Refractoriness(℃) ≥	1750	1750	1750
Bulk Density(g/cm3) ≥	2.35	2.3	2.25
Apparent Porosity(%) ≤	13	15	17
Cold Crushing Strength(MPa) ≥	45	42	35
Permanent Linear Change@1350°×2h(%)	±0.2	±0.25	±0.3
Refractoriness Under Load@0.2MPa(℃) ≥	1420	1380	1320
Al2O3(%) ≥	45	45	42
Fe2O3(%) ≤	1.5	1.8	2.0

Application

Clay bricks are widely used in blast furnaces, hot blast stoves, glass kilns, soaking furnaces, annealing furnaces, boilers, cast steel systems and other thermal equipment, and are one of the most consumed refractory products.