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The steel industry remains the largest sector of refractory materials consumption, at over 65%. The demand of steel-dedicated refractories is directly related to steel output. On a per-ton basis, steel usually consumes less than 10 kg of refractory materials in most? countries, while in China the amount is 20-25 kg. The Development Policy of Refractory Industry estimates refractory consumption of per-ton steel at less than 20 kg in 2010 and under 15 kg in 2020.
Refractory materials for the cement industry, the second largest consumer, mainly cover basic refractory materials (e.g., magnesite brick, magnesite-chrome brick, magnesite-alumina brick, etc.), Al-Si refractory materials (e.g., high-alumina brick, fireclay insulating brick, etc.), and heat insulation refractory materials. While magnesite-chrome brick is most commonly used in the cement kiln firing zone, chromium ion brings about serious pollution at high temperature; magnesite-chrome brick has therefore been gradually replaced by chrome-free refractory materials like dolomite brick and magnesia spinel brick in recent years. Fusion-casting refractories are usually applied in the glass industry and enjoy a 58% share.
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