High Density Furnace Fireclay Brick Refractory High Refractoriness
Product Description of High Quality Furnace Refractory Bricks Yellow Fireclay Brick For Heat Treatment Furnace With HighRefractoriness
Fire clay brick is made of local top grade fireclay materials under the high temperature according to the lasted national standard, which possesses even bulk density, high strength, low thermal conductivity and low impurity. The refractoriness is up to 1690~1730 ℃.Fire clay refractory brick has wide usage and the largest production.
Product Features of Fire Clay Brick
Product Application of Refractory Fire Clay Brick
It is widely used in metallurgy, building materials, chemical industry, petroleum machinery manufacturing and other industrial fields, and is applicable to heating furnace, soaking pit, heat treatment furnace, blast furnace, hot blast furnace, coke oven, tunnel kiln, rotary kiln,Topedo Car,Chemical Reactor, incinerator, metal Furnace,Glass furnace,flue and other related parts.
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Item/Grade
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Fire clay brick
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High alumina brick
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||||||
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SK-30
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SK-32
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SK-34
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SK-35
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SK-36
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SK-37
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SK-38
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SK-40
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|
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AL2O3% (≥)
|
30
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35
|
38
|
45
|
55
|
65
|
70
|
82
|
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Fe2O3% (≤)
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2.5
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2.5
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2
|
2
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2
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2
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2
|
2
|
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Refractoriness(SK)
|
30
|
32
|
34
|
35
|
36
|
37
|
38
|
40
|
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Refractoriness under load, 0.2
MPa, °C (≥) |
1250
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1300
|
1360
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1420
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1450
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1480
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1530
|
1600
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Apparent porosity (%)
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22-26
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20-24
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20-22
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18-20
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20-23
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20-23
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20-22
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18-20
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Bulk density (g/cm³)
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1.9-2.0
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1.95-2.1
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2.1-2.2
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2.15-2.22
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2.25-2.4
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2.3-2.5
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2.4-2.6
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2.5-2.7
|
|
Cold crushing strength ,MPa (≥)
|
20
|
25
|
30
|
40
|
45
|
50
|
60
|
70
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