Product description
Hot blast fire brick have good fire resistance: clay firebricks have good high temperature resistance, usually can withstand high temperatures above 1000℃, and some can even reach high temperatures above 1500℃.

Applications of hot blast fire brick
Metallurgical industry: hot blast fire brick can be used in iron furnaces, steel furnaces, blast furnaces, ladle, converter, electric furnaces and other metallurgical equipment lining, furnace bottom, hot air duct and other parts.
Other industries: hot blast fire brick can also be used in glass, ceramics, petrochemical, mining, machinery manufacturing and other fields.

Physical and chemical index of hot blast fire brick
|
Items |
Index |
|
||||||||
|
/ |
N-1 |
N2a |
N2b |
N-3a |
N-3b |
N-4 |
N-5 |
N-6 |
||
|
Refractoriness /℃≥ |
1750 |
1730 |
1730 |
1710 |
1710 |
1690 |
1670 |
1580 |
||
|
0.2Mpa Refractoriness under load(RUL)/℃≥ |
1400 |
1350 |
/ |
1320 |
/ |
1300 |
/ |
/ |
||
|
Reheating linear change/℃(1500℃,2h) |
1400℃,2h |
+0.1 -0.4 |
+0.1 -0.5 |
+0.2 -0.5 |
/ |
/ |
/ |
/ |
/ |
|
|
1350℃,2h |
|
|
|
+0.2 -0.5 |
+0.2 -0.5 |
+0.2 -0.5 |
+0.2 -0.5 |
|
||
|
Apparent porosity/% ≤ |
22 |
24 |
26 |
24 |
26 |
24 |
26 |
28 |
||
|
CCS/Mpa ≥ |
30 |
25 |
20 |
15 |
15 |
20 |
15 |
15 |
||
Packages:

Our company has been present for over 30 years in Refractory products business
CH Refractories mainly produce refractory materials for metallurgical, coking, cement industry, electric power industry, chemical and general industrial furnaces. Annual production of a variety of shaped and unshaped refractory materials 120,000 tons. The refractory products exported to Middle east, South America, Middle Asia, Southeast Asia, Africa and other regions.
annual output
120,000 tons.
affordable price
150USD to 1000USD per ton according to products specification
qualified staff
ISO 9001/SGS testing report
exporting area
Middle east, South America, Asia and Europe
FAQ
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Q: What is MOQ of your product?
Q: How can you guarantee your products quality
Q: Which countries you mainly exporting to?
Q: How long is the production time?
Q: What payment term you can accept?
Q: Can you do OEM? Or customized packages?
Q: Can I visit your factory?
Physical and chemical index of hot blast fire brick
|
Items |
Index |
|
||||||||
|
/ |
N-1 |
N2a |
N2b |
N-3a |
N-3b |
N-4 |
N-5 |
N-6 |
||
|
Refractoriness /℃≥ |
1750 |
1730 |
1730 |
1710 |
1710 |
1690 |
1670 |
1580 |
||
|
0.2Mpa Refractoriness under load(RUL)/℃≥ |
1400 |
1350 |
/ |
1320 |
/ |
1300 |
/ |
/ |
||
|
Reheating linear change/℃(1500℃,2h) |
1400℃,2h |
+0.1 -0.4 |
+0.1 -0.5 |
+0.2 -0.5 |
/ |
/ |
/ |
/ |
/ |
|
|
1350℃,2h |
|
|
|
+0.2 -0.5 |
+0.2 -0.5 |
+0.2 -0.5 |
+0.2 -0.5 |
|
||
|
Apparent porosity/% ≤ |
22 |
24 |
26 |
24 |
26 |
24 |
26 |
28 |
||
|
CCS/Mpa ≥ |
30 |
25 |
20 |
15 |
15 |
20 |
15 |
15 |
||



