Magnesia Brick

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Magnesia Brick • 1. High cold crushing strength. • 2. High refractoriness under the load. • 3. Good creep resistance. Description Magnesia brick is magnesium oxide content in more than 90%, to periclase as the main crystalline phase of alkaline refractories. Generally can be divided into sintered magnesia bricks (also known as calcined magnesia bricks) and chemically bonded magnesia bricks (also called non-burning magnesia bricks). Purity and firing temperature of high magnesia bricks, due to direct contact with the periclase grain, known as the direct combination of magnesia bricks;With fused magnesia as raw materials, called specifically for the fused re-combination of magnesia bricks. Applications Mainly used in steel-making alkaline furnace, electric furnace bottom and furnace wall, oxygen converter permanent lining, non-ferrous metal smelting furnace,high-temperature tunnel kiln, calcined magnesia bricks and cement rotary kiln lining, bottom and furnace wall of the heating furnace, glass kiln regenerator lattice brick and so on. • Physical and chemical index Description Magnesia brick Grade MZ MZ MZ MZ MZ MZ MZ MZ MZ MZ MZ Indexes 89 91 95 96 97 98 95 96 97 98 12 MgO% 89 91 94.5 95.5 96.5 97.5 95 96 97 98 75 CaO% 2.5 2.5 2 1.8 1.5 1.2 2 1.7 1.4 1.2 ZrO2 10 SiO2% 2.5 1.5 1 2.5 2 1.5 1 9 pressure at Normal Temoperature (Mpa) 55 55 55 55 55 60 60 60 60 60 60 softening point under load 1540 1550 1620 1650 1680 1700 1650 1660 1700 1700 1700 Gas hole Indicatiing rate 19 18 18 18 17 17 16 16 1 16 16 url:http://www.qs-industry.com

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Henan Flourshing Energy Saving Co.,Ltd

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