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Zhengzhou Huaxin Refractory Material Industry Co., Ltd.

Add: Railway Station, Chaohua, Xinmi City, Henan, China, 452385

Tel:86-371-69231111   Fax:86-371-69235777

Web: http://en.hxnc.cn   E-Mail: huaxin@hxnc.cn

Your present location:Home >> Alumina Products >> Corundum Mullite Brick
  • Name: Corundum Mullite Brick
  • Number: 73
  • Time: 2010-07-26
  • Views : 101

immediate inquiry

It adopts imported plate corundum and high purity electric melting corundum as main raw materials, apply advanced ultramicro power adding technology and go through the process of mixing, molding, drying and burning in high temperature shuttle type kiln, expansively applied in residual oil gasification furnaces, synthesis ammonia secondary conversion furnaces, carbon black reaction furnaces and fireproof kilns. The overall dimensions, physiochemical indexes and service life of the product have reached or exceeded the level of similar products at home and abroad

Item 1500Type 1550Type 1600Type
Max.service trmpetature   ℃ 1500 1550 1600
Al2O3   % ≥70 ≥80 ≥85
SiO2   % ≤28 ≤15 ≤13
Fe2O3  % ≤0.5 ≤0.5 ≤0.3
Bulk density g/cm3 1.3—1.5 1.4—1.7 1.6—1.8
Cold crushing strength MPa ≥8 ≥8 ≥10
Refractoriness under load ℃(0.1MPa,0.6%) ≥1500 ≥1550 ≥1600
Reheating linear change   % (1600℃×3h) ±0.5 ±0.5 ±0.3
Theemal Conductivity w/(m.k) ≤ ≤0.6 ≤0.7 ≤0.8
(Averaga   800℃)

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