Fireclay Brick ZN-40
- Description
-
Low porosity clay brick is made of high quality coke gem clinker, sintered mullite, three stone as the main raw materials by sintering at high pressure and high temperature. It has the characteristics of low apparent porosity, strong permeability resistance, strong erosion resistance, high compressive strength, and good thermal shock stability at low temperature. Mainly used in the glass furnace regenerator in the lower part of the lattice body and wall parts.
General Properties
Chemical Analysis Item Standard ZN-40 ZN-36 Al2O3 ≥40% ≥36% Fe2O3 ≤1.9% ≤2.0% Physical Properties
Item Unit Standard ZN-40 ZN-36 Apparent Porosity （%） ≤19（22） ≤22（24） Bulk Density (g/cm³) 2.0-2.30 2.0-2.30 Cold Crushing Strength （MPa） ≥40（35） ≥35（30） Refractoriness Under load T0.2
（℃） ≥1380 ≥1350 Permanent Linear Change （%） -0.3~0.1
1400℃×2h
-0.4~0.1
1350℃×2h
Keywords：
Fireclay Brick ZN-40
Refractory materials
Steel
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