Corundum mullite refractory castable

This type product uses corundum and mullite as main materials and mix with super micropowder and combined binder also additives . its characters are high strength wear-resisting and good thermal shocking which suitable for the liner of large-scale CFB boiler and other high-temperature kilns .

Corundum mullite refractory castable

CFB boiler DFNMJ-G series high strength wear-resisting corundum mullite refractory castable

Features :

  • High temperature volume stability.
  • Thermal shock stability.
  • High crushing strength.
  • Erosion resistance.

Applications :

  1. Steel furnaces
  2. Iron making furnaces
  3. Glass kiln
  4. Ceramic tunnel kiln
  5. Cement kiln

Need Corundum mullite refractory castable For Your Projects?

Technical performance parameters:

Project   and   Grade DFNMJ-G1 DFNMJ-G2 DFNMJ-G3
Al203   %             ≥ 70 75 85
Refractoriness,℃          ≥ 1790 1790 1790
Volume density g/cm3 2.70 2.85 2.90
Compression strength


110℃ 75 85 95
815℃ 110 115 120
Breaking strength


110℃ x24h 10 12 14
815℃ x4h 16 17 18
Thermal shock resistance(900℃,water cooling), each time  > 25 25 25
Abrasion loss under normal temperature cc ≤ 7 6 5
Usage part Cyclone separator、gas flue of exit and entrance

Remark: We could adjust technical performance index according to client’s working condition.

Description :
High Strength Wear-Resistant Corundum Mullite Refractory Castable has high crushing strength, good high temperature volume stability and thermal shock stability, excellent wear resistance and erosion resistance. It is can be used in lining of large power station boiler and other lining of high temperature furnace.

Wear-resisting refractory castable

High strength wear-resisting refractory castable

High strength wear-resistant refractory castable for boiler is a kind of unshaped refractory made of granular and powdery material, in which add a certain amount of binder and water together. It has high mobility, is suitable for casting construction, and can be hardened without heating. …


High alumina refractory castable

High strength high alumina refractory castable

High strength high alumina refractory castable have the characteristics of permeation resistance, erosion resistance , shock resistance , wear resistance and high strength which are widely used in the power station boiler and positions of before-after arch ,furnace roof and foot furnace wall of other thermal furnaces. …


1.FEDEX/DHL/UPS/TNT for samples.
2.By Sea for batch goods.
3.Customers specifying freight forwarders or negotiable shipping methods!
4.Delivery Time:3 days for common shape samples;15 days for special shape samples.Within 30 days for batch goods.

Payment Terms
1.Payment: T/T, Western Union,LC; Usually 30% paid by T/T as deposit,the rest 70% balance paid by T/T before delivery .
2.MOQ: Usually 1Tons,Customers can order certain PCS for special brick.
3.Quality Warranty: 3years.

Package Information
1.On wooden pallets with plastic cover.
2.According to customer’s requirements.

Contact Us Now! Please send your inquiry in the form below . we will reply you as soon as possible.