Magnesia Alumina Spinel Refractory Bricks-Mlj-85

• Customization: Available
• Refractoriness (℃): 1770< Refractoriness< 2000
• Feature: Long Time Materials
• Model NO.: MLJ85
• Shape: Brick
• Transport Package: Export Wooden Pallet
• Trademark: Nie
• Origin: China

Product Description

Luzhong Magnesia Alumina Spinel Bricks are new developed chrome-free refractories for Cement Rotary Kilns, with excellent performance,our products have been wide used in the domestic and overseas cement projects.
 
Characteristics:
1.Outstanding resistance to chemical attack
2.Outstanding thermal-shock resistance
3.Highest refractoriness
4.Excellent abrasion resistance
5.Excellent performance under thermal and mechanical loads
 
Application zone: Transition zone of cement rotary kiln.
 
Raw Material:
1.Natural, alpine sintered magnesia
2. Alumina-magnesia spinel.

Physical and chemical index

Chemical Composition		UNIT	SPEC	TYPICAL
MgO		%	≥85	85 - 87
Al2O3		%	≥10	10 - 11
SiO2		%		0.8
Fe2O3		%		0.6
CaO		%		1.0
Physical Properties		UNIT	SPEC	TYPICAL
Bulk Density	BD	g/cm3	≥2.9	2.9-3.0
Apparent Porosity	AP	%	≤17	16
Thermal Shock Resistance	TSR - in air at 950 °C	cycle	≥100	100
Refractoriness Under Load	RUL (ta)	°C	≥1700	>1700
Thermal Expansion	TE - at 1000 °C	%		1.3
Cold Crushing Strength	CCS	MPa	≥45	65
Thermal Conductivity	TC - at 700 °C	W/mK	≤3.8	3.713
Note: The above datas are the representative average value measured in accordance with the test methods for general purpose and vary with the fluctuations of normal production conditions.These datas are provided as a technical service,sometimes may be adjusted, so they should not be regarded as the product index.

 
Production Control

Product application:

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