High-Performance SP67 Sintered Magnesium‑Aluminate Spinel – Superior Thermal Shock & Corrosion Resistance

GNPGraystar’s Fused MagnesiumAluminate Spinel is made of high purity raw materials in electric arc furnaces. The maximum amount of spinel crystals is achieved by using pure raw materials and electric arc furnaces. The product has a high thermal shock resistance and slag corrosion resistance, and good refractoriness.

Properties

General

Property	Value	Comment
Density	3.2 g/cm³
Porosity	1.2 - 2.6 %
Water absorption	1 %	max.

Chemical properties

Property	Value	Comment
Aluminium	67 %	Al₂O₃
Calcium	0.45 %	CaO
Iron	0.25 %	Fe₂O₃
Magnesium	32 %	MgO
Silicon	0.13 %	SiO₂
Sodium	0.17 %	Na₂O

Technological properties

Property

Application areas

GNPGraystar’s FS33 is used in the production of refractory materials used for the sinter and transit zones of rotary furnaces in the cement industry, for the arches of electric arc furnaces, for the refractory lining of highfrequency furnaces, and various kinds of torpedo ladles and other ladles used in the steel industry.

Other

Available sizing:

Mesh	mm
3/6	3-6
6/14	1-3
14/28	0.6-1
-14	0-1
-28	0-0.06
-170	0-0.090
-325	0-0.045
-635	0-0.020

High-Performance Mg-Stabilized Zirconia (GNPMSZ-DM-8.0) – Chemical Grade, Durable & Thermally Shock-Resistant High-Purity Sintered Magnesium‑Aluminate Spinel SP78 – Superior Thermal Shock & Corrosion Resistance

Composite material