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- Contact Person : Ms. Zhou Christina
- Company Name : Henan Zhongke Engineering & Technology Co., Ltd.
- Tel : 0086-371-67898596
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- Address : Henan,Zhengzhou,Weat Huagong Road
- Country/Region : China
- Zip : 450000
fired clay bricks
Product Detailed
Related Categories:Refractory
Detailed Product Description
The parameters of fired clay brick for general uses
MARK | N-1 | N-2a | N-2b | N-3a | N-3b | N-4 | N-5 | N-6 | |
Refractoriness CN | 176 | 174 | 174 | 172 | 172 | 170 | 168 | 158 | |
2kg/cm2 refractoriness under load ≥ | 1400 | 1350 | 1320 | 1300 | |||||
Linear change after reheating% | 1400,2h | +0.1 -0.4 | +0.01 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 | |
Compress strength, kg/cm2 ≥ | 300 | 250 | 200 | 200 | 150 | 200 | 150 | 150 | |
Thermal shock resistance | N-2b,N-3b,the tested data must be indicated in the quality Certification. | ||||||||
