Оптовая продажа с завода огнеупорные кирпичи горячая Распродажа огнеупорных кирпичей в Нигерии

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Factory Wholesale Firebrick Cheap Refractory Fire Clay Bricks Hot Selling Refractory Bricks In Nigeria




Fire Clay Brick

Fire clay brick is a special type of brick made using fire clay and has a good resistance against high temperatures which are used
in kilns, lining furnaces, fireplaces and fireboxes. These bricks are manufactured in a way similar to that of normal bricks,
except during the burning process- Fire bricks are exposed to very high temperatures
The refractoriness of the brick is more than 1580℃.







ITEM
                                                 Low Porosity Fire Clay Bricks
DN-10
DN-12
 DN-15
DN-17
Al2O3/%
≥46
≥45
≥42
≥40
Fe2O3/%
≤1.1
≤1.2
≤1.5
 ≤2.0
Bulk density/g/cm3
≥2.40
≥2.37
≥2.30
≥2.25
Refractoriness/ ℃
≥1700
≥1690
≥1750
≥1770
Refractoriness under Load/KD ℃
≥1520
≥1500
≥1470
≥1420
Permanent Linear Change/%
1400℃×2h
+0.0
1400℃×3h
+0.05~-0.10
1400℃×3h
+0.1~-0.2
1400℃×2h

Apparent Porosity/%
≤10
≤12
≤15
≤17
Cold crushing strength/Mpa
≥65
≥65
≥55
≥50


Fire Clay Bricks SK SERIES
ITEM
SK30
SK32
SK34
SK35
Al2O3/%
33%
38%
42%
48%
Fe2O3/%
≤3
≤3
≤3
≤2.5
Refractoriness/ ℃
≥1690 °C
≥1730 °C
≥1750 °C
≥1750 °C
Bulk density/g/cm3
1.9-2.0
2.0-2.1
2.1-2.18
2.15-2.3
Unit weight (230*114*65mm)
≥3.35KGS
≥3.55KGS
≥3.65KGS
≥3.75KGS
Apparent porosity/%
≤26
≤24
≤24
≤22
Cold crushing strength
≥20Mpa
≥25Mpa
≥30Mpa
≥35Mpa
Refractoriness under load/ ℃
≥1250 °C
≥1300 °C
≥1350 °C
≥1420 °C
Reheating Linear Change/%
0~ -0.5
(1350°C,2h)
0~ -0.3
(1350°C,2h)
0~ -0.4
(1450°C,2h)
+0.1~ -0.4
(1450°C,2h)



Also, we have SK36, SK37, SK38, SK40 refractory
high alumina bricks to choose. Their aluminum content is higher than fire clay bricks, and the use temperature is higher. If your
kiln needs higher temperature and longer service life, suggest you choose refractory high alumina bricks.





























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