clay brick
Post Message
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clay brick
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2012-11-26
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Handtools, Metal Items, Construction Materials
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Construction Materials - relative Selling Leads or Buying Leads
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China
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Offer to sell
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Fireclay brick for blast furnace are used in the part of throat, stack, hearth, bottom for a small blast furnace and the stack for a big blast furnace. Fireclay brick for blast furnaces have the following good features:
High compressive strength in normal temperature
High ability for anti-abrasion during work
Low shrinkage degree under high temperature so as to maintaining an integrity of the furnace lining;
Low apparent porosity and Fe2O3 content to reduce the carbon deposit in the blowhole and avoid the bricks broken in case of expansion
Seldom melting point settings shape.
Item Index
RN-42 RN-40 RN-36
Al2O3 ,% ≥ 42 40 36
Refractoriness CN 176 174 170
0.2Mpa refractoriness under load ,℃≥ 1400 1350 1300
Linear change after reheating
% 1450℃,2h
0
-0.4 -- --
1350℃,2h -- 0
-0.3 0
-0.5
Apparent porosity,% ≤ 24 24 26
Compress strength, MPa ≥ 29.4 24.5 19.6
Thermal shock resistance It must be tested and list the actual
measuring data in the quality certification.
Please feel free to contact Oreworld for lower price and prefect products
Website: http://www.oreworld.com
Email: info at oreworld dot com
Xinglu K Jiang
Contact Information
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oreworld trade co
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China
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xinglu jiang