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.

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CFB boiler high strength high alumina refractory castable

Technical performance parameters :

Project and Grade Alumina cement castable Phosphate castable Aluminate castable
Al203   %             ≥ 60 65 70
Refractoriness,℃ 1730 1750 1770
Linear change rate after burning % -0.4 -0.02 -0.4
Compression strength


110℃ x24h ≥ 60 80 70
1100℃ x4h ≥ 50 60 65
Breaking strength


110℃ x24h ≥ 8 10 12
1100℃ x4h ≥ 6 8 10
Property of cementing material Hydraulicity Thermal hardness Hydraulicity
Highest usage temperature℃ 1300 1200 1400
Characteristics Fast demould high strength Wear resistance damage resistance thermal shock Easy construction

Long life

Usage part Furnace arch、wind chamber、provincial gas shield、firedoor

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

Applications :

  • Metallurgical industry
  • Petroleum, chemical industry, building materials, electric power
  • Engineering industry furnace and thermal equipment


  • High compactness, high abrasive resistance
  • Excellent thermal shock stability
  • Excellent anti strip performance and excellent fouling resistance
  • Excellent mobility and suitable construction time,condense combine function

The package of refractory castable :

  1. 25KGS bag inside, jumbo bag outside or pallet.
  2. 25KGS bag inside,pallet outside.
  3. 25KGS Kraft paper bag inside, pallet outside.

High alumina refractory castable.

Also could pack according to your demand !

Our service :
Provide high temperature solutions and professionals construction services for different fields for our customers.
Provide the most reasonable logistics for customers to save every penny.
Production of goods are finished, thoughtful provide products and packaging photos for our customers.

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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.

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