It is designed by Marvels for cement and lime kiln, which is one of our leading products. It is also our traditional advantage for more than 50 years. We have many patents in this field. Based on raw material, it is divided as Magnesia Alumina Spinel（CMS), Magnesia Hercynite（CFS), Magnesia Galaxite(CNS), Magnesia Chromite(CMK) and Mullite Silicon Carbide Series(CAS).
(1) Magnesia Alumina Spinel Brick（CEMAMAG CMS）
It is made primarily of magnesia grain and synthetic spinel and produced under high temperature firing. It is the most mature and economical widely used in transition zone brick. It features good resistance to thermal shock, thermal load, chemical corrosion, over heat damage, oxidation reduction, high temperature mechanical flexibility and abrasion. It can be used at transition zone of cement rotary kiln and lime kiln.
(2) Magnesia Hercynite Brick（CEMAMAG CFS）
It is made primarily of magnesia and hercynite and produced under high temperature firing. They have the properties of good clinker coating, sound thermal shock resistance, good heat load fatigue resistance, excellent high temperature mechanical flexibility and good wear resistance. They can be used at burning zone and transition zone at the same time, especially best performed at kiln tire areas.
(3) Magnesia Galaxite Brick （CEMAMAG CNS）
CNS is a patented product invented by Marvels. It is primarily made of magnesia and complex spinel, with addition of Manganese compound, which is produced under high temperature firing. Compared with magnesia alumina spinel and magnesia hercynite, it has better resistance to thermal shock, abrasion, corrosion and high temperature mechanical flexibility and kiln coating property. It can be used at burning and transition zones at the same time. It has practical significance for customers to optimize refractory configuration, reduce inventory and facilitate management.
(4) Magnesia Chromite Spinel Brick（CEMAMAG CMK）
It is primarily made of magnesia and chrome ore under high temperature burning. It has the excellent properties of clinker coating, resistance to thermal shock, thermal load fatigue and chemical corrosion. It was also good in resistance to oxidation reduction. The mag-chrome brick was the most widely used once, which is mature and economical product for rotary kiln burning zone and transition zone.
(5) Mullite-Silicon Carbide Bricks（CEMAMAG CAS）
Mullite-SiC bricks are mainly made of corundum, bauxite, mullite and silicon carbide burnt under medium temperature. It was excellent in resistance to thermal shock, thermal load fatigue, high-temperature mechanical flexibility and abrasion at the reducing atmosphere. They can be used in transition zone, safety zone, calcining zone and tertiary air duct of cement rotary kiln.
(6) Super Grade Mullite-Carbide Brick（CEMAMAG CAS- S）
Super Grade Mullite-SiC brick are one kind of enhanced product based on silicon carbide brick, through adding some amount of andalusite. They have much better resistance to thermal shock and acid and alkali corrosion as well as lower creep and higher strength under elevated temperature. They can be used in transition zone, safety zone and calcining zone of cement rotary kiln.
(7) Low TC Multi-layer Mullite-Silicon Carbide Brick (CEMAMAG CAS- L）
Low Thermal Conductivity Multi-layer Mullite-SiC bricks are one kind of energy-saving products that combines the working layer of mullite-SiC, thermal preservation layer of micro-porous mullite and thermal insulating layer of low-weight materials. The working layer is in direct contact with high-temperature materials, which is made of mullite-SiC materials with high-strength, low thermal conductivity, high abrasion resistance, high refractoriness under load, strong erosion resistance, and excellent thermal shock stability. The thermal preservation layer and / or thermal insulating layer is one kind of porous material with high strength and low thermal conductivity. They can be used in the cement kiln transition zone, which can meet the requirements of long life and heat insulation, and which can significantly reduce the surface temperature of the kiln barrel.