Low Thermal Conductivity Magnesia Alumina Spinel Brick-Ddrml-80

• Customization: Available
• Refractoriness (℃): 1770< Refractoriness< 2000
• Feature: Long Time Materials
• Model NO.: DDRML-80
• Type: Refractory Material
• Shape: Brick
• Transport Package: Export Wooden Pallet
• Trademark: Nie
• Origin: China

Product Description

Luzhong Low thermal conductivity 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.High grade sintered magnesia
2. Alumina-magnesia spinel.

Physical and chemical index

Chemical composition		UNIT	SPEC
MgO		%	80±2.5
Al2O3		%	≥9
SiO2		%	≤1.5
Physical properties		UNIT	SPEC
Bulk Density	BD	g/cm3	≥2.9
Apparent Porosity	AP	%	≤17
Thermal Shock Resistance	TSR - in air at 950 °C	cycle	≥100
	TSR-in water at 1100 °C	cycle	≥6
Refractoriness Under Load	RUL (ta)	°C	≥1700
Cold Crushing Strength	CCS	MPa	≥45
Thermal Conductivity	TC - at 700 °C	W/mK	≤3.8
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

Package