Product Description
Fused Alumina-Magnesia Spinel produced by Kaifeng Gaoda Refractories Co., Ltd. is a refractory raw material made by smelting high-purity magnesia and calcined alumina as raw materials in high-temperature electric arc furnaces. This product possesses superior properties including low impurity content, well-developed crystal structure and lustre, high bulk density, strong spalling resistance and excellent thermal shock resistance stability. It is widely used in rotary cement kilns, electric furnace roofs, steel ladles, metallurgical and other industries. It is a high-quality refractory raw material for making refractory products such as ladle purging plugs, ladle linings, slag dams and nozzles. The company's Fused Alumina-Magnesia Spinel is graded by its AL2O3 content, and includes AM-75 and AM-90 spinel. Products of different grades can be processed into particles, fine powder and micro powder of various particle sizes according to customer requirements.
Product Name/Properties | Fused Alumina-Magnesia Spinel | ||
Am-75 | Am-90 | ||
Chemical composition (%) | Al 2 O 3 | 73-76 | 88-91 |
MgO | 22-25 | 8-11 | |
SiO 2 | ≤0.3 | ≤0.3 | |
Fe 2 O 3 | ≤0.2 | ≤0.2 | |
CaO | ≤0.5 | ≤0.5 | |
Bulk density (g/cm³) | ≥3.3 | ≥3.3 | |
Apparent porosity (%) | ≤3.0 | ≤3.0 | |
Keywords:
Fused Alumina-Magnesia Spinel
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Fused Alumina-Magnesia Spinel
Category:
Refractory Raw Materials Series
Why Choose Us
A full range of products
We supply a full series of refractory raw materials including Activated α-alumina Micropowder,Fused Calcium Aluminate Cement,Fused Alumina-Magnesia Spinel, as well as various unshaped refractories such as ladle castables and gunning mixes.
Wide range of product applications
Our products are widely applied in refractories, metallurgy, ceramics, chemical engineering and other sectors due to their stable performance and reliable quality.
Sold in multiple regions
Our products sell well in more than twenty provinces and municipalities nationwide, featuring premium raw materials, scientific formulations, precise manufacturing, stable performance and on-time delivery; we also export to many overseas countries.
Continuous Innovation
Quality is the core foundation of our company. We keep upgrading our products and technologies, committed to delivering reliable products and thoughtful services to all clients.
Kaifeng Gaoda Refractories Co., Ltd
Gaoda Refractories, specializing in refractory raw materials and unshaped refractories.
Our main products are Reactive αAl₂O₃ Micropowder, Fused Calcium Aluminate Cement, Fused AluminaMagnesia Spinel, Fused Mullite, White Fused Alumina, Alumina Hollow Spheres and other refractory raw materials, as well as monolithic refractories including castables for ladles, castables for iron runners and gunning mixes. Thanks to their excellent performance and high quality, products are widely applied in refractory materials, metallurgy, ceramics, chemical and other industries.
Honors
FAQ
Q
What is the regular packaging for products?
A
Regular packaging is available in 1-ton jumbo bags or 25kg small bags. Customized packaging and LOGO printing are supported.
Q
How to select reactive alumina micropowder?
A
Our reactive alumina micropowder is available in three grades including GD370, Type A, Type B as classified by varying fineness degree. Grades can be selected according to usage requirement.
Q
What are the differences among different grades of fused calcium aluminate cement?
A
Cement grades are classified by alumina content and are AL-71, AL-75, AL-80, AL-85 and AL-90. Appropriate grades can be selected according to operating conditions.
Q
Besides reactive alumina micropowder and fused calcium aluminate cement, what other refractory products are available? Can technical support be provided?
A
We also supply full-series refractory raw materials including fused alumina-magnesia spinel, white fused alumina, alumina hollow spheres, and mullite, as well as various monolithic refractories such as ladle castables, castables for iron runners and gunning mix. Grade suggestions, indicator adjustments and supporting technical schemes can be offered according to your operating conditions.
Q
Can products be customized according to indicators?
A
All full-series refractory raw materials of our company can be customized by adjusting indicators in response to clients' actual operating conditions.
Q
Can samples be provided?
A
Yes
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