| Customization: | Available |
|---|---|
| Classification: | Magnesia Calcium Brick |
| Refractoriness (℃): | 1580< Refractoriness< 1770 |
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Magnesia Dolomite bricks are made from qualified magnesite and dolomite as the raw materials that are processed through
secondary-burning (calcinations, fine grinding, briquetting, dead burned). The MGO/CaO ratio is taken as the kind of Mag-dolomite
brick or unshaped monolithics in accordance with customers requirement. Pitch or paraffin impregnation pressed by vacuum is
needed after burned under high temperature. They have the features of high temperature performance and resistance to slag and
widely used in the secondary refining vessels as VOD, AOD; Permanent linings or bottom of converter; Ladle and also the cement kiln.
Brand Properties |
MD15 | MD20 | MD25 | MD30 | MD40 | |
| Bulk Density (g/cm3) | 3.03 | 3.03 | 3.03 | 3.03 | 3.0 | |
| Apparent Porosity (%) | 10 | 10 | 10 | 10 | 10 | |
| Cold Crushing Strength (MPa) | 55 | 55 | 55 | 55 | 55 | |
| @ 1,500ºC x 2hrs Permanent Linear Change (%) |
-- | -0.35 | -- | -0.61 | -- | |
| @0.2MPa Refractoriness Under Load (ºC) | 1700 | 1700 | 1700 | 1700 | 1700 | |
Chemical Composition (%) |
MgO | 80.3 | 76.3 | 70.3 | 66.3 | 56.3 |
| CaO | 17 | 21 | 27 | 31 | 41.0 | |
| Al2O3 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | |
| Fe2O3 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | |
| SiO2 | 1.3 | 1.3 | 1.3 | 1.3 | 1.2 | |
Q1 : How can you control your quality?
A1 : For each production processing, JUCOS have complete QC system for the chemical
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