Zhengzhou Lepe Refractory Materials Co., Ltd.: Zhengzhou, Henan, China; Main products: MoSi2 heating element, SiC heating element, Ceramic fiber board, Silicon carbide products, Silicon nitride products

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High temperature refractory corundum mullite brick

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10 Pieces(Min. Order)

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Product Details

Place of Origin	Henan, China	Shape	Brick
Material	Other, Corundum mullite brick	SiO2 Content (%)	≤0.2,8,18,28,18,13
Al2O3 Content (%)	≥99,90,80,70,85
Model Number	corundum mullite brick	Brand Name	Lepe

High temperature refractory corundum mullite brick

Zhengzhou Lepe Refractory Material Co., Ltd is a professional manufacturer in the supplying different kinds of refractory materials,

including corundum mullite brick, bubble brick,mullite-sillimanite brick, chrome brick, zirconia brick, silicon carbide brick, high temperature

kiln furniture series.If you need, you are welcome to contact us for detail information. Skype: leperm03, Trademanager: cn150854918

Parameter for corundum mullite brick

Item	High quality and high purity corundum brick	Sinter corundum brick	Mullite-corundum brick
Al₂O₃%	≥99	≥90	≥80
SiO₂%	≤0.2	≤8	≤18
Fe₂O3%	≤0.2	≤0.2	≤0.3
Bulk density g/cm³	≥3.2	≥3	≥2.8
Apparent porosity %	≤19	≤18	≤18
Cold crushing strength MPa	≥100	≥100	≥100
Refractoriness under load(0.2MPa,0.6%)	≥1700	≥1700	≥1700
Application	Primarily used for the key parts of the industrial furnace of steel, electronics, petrochemical,fertilizers,non-ferrous metals,refractory materials,etc.

Parameter for corundum-mullite insulation brick

Item	Type 1500	Type 1550	Type 1600
Max service temperature	1500	1550	1600
Al₂O₃%	≥70	≥80	≥85
SiO₂%	≤28	≤18	≤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 °C × 3h)	±0.5	±0.5	±0.3
Thermal conductivity(average 800 °C )	≤0.6	≤0.7	≤0.8
Application	Primarily used for lining of the shuttle kiln for calcining refractory material, industrial ceramics and domestic ceramics, and the bricks for the high temperature zone of tunnel kiln,and insulation brick for high temperature furnace.
Remark	The standards for highest used temperature are oxidizing atmosphere and intermittent furnace

$High temperature refractory corundum mullite brick$

Zhengzhou Lepe Refractory Materials Co., Ltd.: Contact nameXin Fu
Chat Now; Phone86-371-86079675; AddressXiliu Lake Street, Zhengzhou, Henan