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China Factory directly supply Carbon Black Electrode - Fire High Strength Corundum Mullite Refractory Castable – Rongsheng factory and manufacturers | Rongsheng Featured Image
  • China Factory directly supply Carbon Black Electrode - Fire High Strength Corundum Mullite Refractory Castable – Rongsheng factory and manufacturers | Rongsheng
  • China Factory directly supply Carbon Black Electrode - Fire High Strength Corundum Mullite Refractory Castable – Rongsheng factory and manufacturers | Rongsheng
  • China Factory directly supply Carbon Black Electrode - Fire High Strength Corundum Mullite Refractory Castable – Rongsheng factory and manufacturers | Rongsheng
  • China Factory directly supply Carbon Black Electrode - Fire High Strength Corundum Mullite Refractory Castable – Rongsheng factory and manufacturers | Rongsheng

China Factory directly supply Carbon Black Electrode - Fire High Strength Corundum Mullite Refractory Castable – Rongsheng factory and manufacturers | Rongsheng

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China Factory directly supply Carbon Black Electrode - Fire High Strength Corundum Mullite Refractory Castable – Rongsheng factory and manufacturers | Rongsheng Detail:

Corundum Mullite Castable Description

Corundum mullite refractory castable is a kind of high strength unshaped refractory materials for sale in RS Company, which can be used in cement kiln. Corundum mullite castables can perform high properties such as high crushing strength, high temperature stability, thermal shock resistance, wear and chemical erosion resistance in lining of large power station boiler and other high temperature equipments. refractory corundum mullite castable can be used in steel furnace, cement kiln, glass furnace, iron making furnace, ceramic tunnel kiln and so on.

Properties of Corundum Mullite Castable

  • High strength,
  • Strong wear resistance,
  • Good erosion resistance,
  • Excellent thermal shock stability,
  • High temperature resistance.

Manufacturing Process of Corundum Mullite Castable

The main raw materials of corundum mullite castable is lightweight aluminium oxide aggregate, high quality pure natural mullite ore, and calcium aluminate cement as the bonding agent. corundum mullite refractory castable is made through high temperature burning by the advanced industrial furnace. corundum mullite flexural strength and compressive strength increase first and decrease then with the increase of heat treatment temperature. And when alumina micro power content is 5%, the flexural strength reaches to the top.

Composition of Corundum Mullite Castable

The content of Al2O3 is more than 90%, and the corundum mullite insulation castable with corundum as the main crystal phase are mixed with appropriate dispersants, coagulants, stainless steel fibers, which are compounded according to strict formula. Refractory corundum mullite castable has many characteristics, such as high temperature strength, wear-resisting and anti-scour, high heat conduction, heat shock resistance, corrosion resistance, good sealing and early condensation.

Rongsheng Refractory Corundum Mullite Castable Specifications

Item NM-1 NM-2 NM-3
Al2O3 % ≥ 75 80 85
CaO % ≤ 2 2 2
Bulk density g/cm3  > 2.75 2.8 2.9
Crushing strength Mpa(1400℃, 3h) >95 >105 >110
Modulus of rupture Mpa(1400℃, 3h) >13.5 >15.0 >16.0
Room temperature abrasion loss cm3 <8.5 <7.3 <6
0.2MPa, refractoriness under load beginning temperature ℃ >1490 >1530 >1560
Thermal shock resistance (900℃, water cooling)/times >20 >20 >20
Max. working temperature ℃ 1550 1600 1600
Reheating linear change rate % <-0.3 <-0.2 <-0.2

Application of Corundum Mullite Castable

Corundum mullite refractory castable has features of uniform expansion, excellent thermal shock resistance, high temperature volume stability, high temperature strength, high refractoriness under load, low high-temperature creep rate, high crushing strength, low linear dimensional change rate, high hardness, good resistance to chemical corrosion, spalling and wear resistance. Because of such characters, and corundum mullite insulation castable is durable in use and which is widely applied in different industrial kiln, high temperature furnace and other key parts of high temperature, such as:

  • Boiler, blast furnace, hot blast stove, heating furnace,
  • Ceramic tunnel kiln, cement kiln, coal burner,
  • Furnace door, feed opening, steel furnaces, iron making furnaces,
  • Combustion chamber, inclined flue,
  • Large power station boiler, glass kiln.
Product detail pictures:

China Factory directly supply Carbon Black Electrode - Fire High Strength Corundum Mullite Refractory Castable – Rongsheng factory and manufacturers | Rongsheng detail pictures

China Factory directly supply Carbon Black Electrode - Fire High Strength Corundum Mullite Refractory Castable – Rongsheng factory and manufacturers | Rongsheng detail pictures

China Factory directly supply Carbon Black Electrode - Fire High Strength Corundum Mullite Refractory Castable – Rongsheng factory and manufacturers | Rongsheng detail pictures

China Factory directly supply Carbon Black Electrode - Fire High Strength Corundum Mullite Refractory Castable – Rongsheng factory and manufacturers | Rongsheng detail pictures

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Using a total scientific good quality management process, superior high quality and excellent faith, we get great name and occupied this field for China Factory directly supply Carbon Black Electrode - Fire High Strength Corundum Mullite Refractory Castable – Rongsheng factory and manufacturers | Rongsheng , The product will supply to all over the world, such as: Amsterdam, Istanbul, Iraq, As a way to make use of the resource on the expanding information and facts in international trade, we welcome prospects from everywhere on the web and offline. In spite in the top quality products and solutions we supply, effective and satisfying consultation service is supplied by our professional after-sale service group. Solution lists and thorough parameters and any other info weil be sent for you timely for the inquiries. So make sure you get in touch with us by sending us emails or contact us if you have any concerns about our firm. ou can also get our address info from our web site and come to our enterprise. or a field survey of our solutions. We're confident that we have been going to share mutual results and build solid co-operation relations with our companions in this market. We're looking forward to your inquiries.
    • The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!
    5 Stars By trameka milhouse from Angola - 2017.12.19 11:10
    This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately， we successfully completed the procurement tasks.
    5 Stars By Tony from Swaziland - 2017.06.19 13:51
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