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Thermally Stable Magnesia Alumina Spinel Brick for Metallurgical Furnaces1
Refractory MaterialMagnesia Alumina Spinel BrickMagnesia Spinel Brick
Zibo Thermaxcel Co., Ltd.
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Product Description Product DescriptionMagnesia spinel brick is an ideal refractory material for cement self-transition zone. This brick is mainly used on the top of steel-making flat hearth furnace, electric arc furnace, high temperature tunnel kiln, large cement rotary kiln, non-ferrous metal smelting furnace, etc.Magnesia Spinel Brick has the characteristics of high refractoriness, good alkali resistance and excellent refractoriness under load, and is mainly used in the regenerator of high temperature furnaces such as glass furnaces. It can also be used to make ladle casting materials, which can greatly improve the corrosion resistance of steel plate lining.Features:1. Magnesia Spinel Brick has excellent kiln skin performance;2. Its thermal conductivity is low (1000oC, 2.27w/m·k), and its thermal expansion coefficient is small (1000oC, 1.217%);3. The product has excellent structural flexibility, and has strong corrosion resistance and permeability resistance to K2SO4, Na2SO4, NaCl, KCl alkali metal salts decomposed by cement materials.4. The load has a high softening temperature and excellent thermal shock resistance. It can be applied to the key parts of SP and NSP kilns with high temperature, high speed, strong alkali corrosion and high mechanical load.Brand PropertiesMagnesite alumina spinel brickMAJ-75MAJ-80MAJ-84Bulk Density (g/cm3)2.902.952.95Cold Crushing Strength (MPa)454560Apparent Porosity (%)191918Thermal Shock Resistanceat 1,100oC water cooling121520Refractoriness under Load oC (0.2MPa T2)160017001750Chemical Composition (%)MgO758084Al2O381214 Q1 : How can you control your quality?A1 : For each production processing, we have complete QC system for the chemical composition and Physical properties. After production, all the goods will be tested, and the quality certificate will be shipped along with goods. Q2 : What is your lead time? A2 : It usually needs about 15- 20 days after receiving the PO. Q3 : Do you provide free samples?A3 : Yes, free samples are available, generlly speaking, the buyer shall bear all the delivery cost. Q4 : What is your payments terms?A4 : We can accept 30% deposit, 70% balance to be against the BL copy or by LC, or other payment terms. Q5 : Can we visit your company?A5 : Yes, for sure, you are welcome to visit JUCOS company. Q6 : What standards do you have?A6 : Our products meet the standards, such as ASTM, ASME, AMS, DIN, JIS etc. The third party testing is all available for us.
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