Professional Alumina Bubble Thermal Insulation Refractory Bricks With Low Bulk Density

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Professional Alumina Bubble Thermal Insulation Refractory Bricks With Low Bulk Density

Characteristic:

1. High temperature resistance.

2. Low thermal conductivity.

3. Good thermal insulation.

4. High strength.

5. Can direct contact with flame.

6. Good chemical stability (acid-base erosion resistance ).

7. Low bulk density (lighter than the same kind of material ,thin kiln wall, low cost ) .

 

 

Specifications

 

1. High temperature resistance. 
2. Good thermal insulation. 
3. Professional manufacturer.

Alumina hollow ball brick, Alumina bubble brick , Alumina hollow sphere brick , Hollow alumina sphere bricks  

 

Alumina hollow ball brick used the alumina hollow ball, corundum powder, and claimed powders mixed at definite proportion as raw material. After mixing, drying, forming, firing at high temperature shuttle kiln made.

 

 

Specifications:

 

 

Bubble Al2O3 brick

LKZ-88

LKZ-98

Max service temperature

1650

1800

Al2O3%≥

88

98

SiO2%≤

0.2

Fe2O3%≤

0.3

0.2

BD g/cm3≤

1.30-1.45

1.40-1.65

CCS  Mpa≥

6

8

RUL ℃(0.1Mpa,0.6%)≥

1650

1650

PLC 1600℃x 3h%≤

0.3

0.3

Mpa   W/m.k≤

0.9

1

Application

Be used as the insulating liner of the petrochemical industrial carbon black furnace and the lining of high-temperature furnaces of ceramic or refractory materials.

Be used as the insulating linings of the petrochemical black furnace, gas-generating furnace and the lining materials for the high-temperature furnace of refractory materials.

 

 

Competitive Advantage:

  1. Competitive Price. Make the products competitive in your market.
  2. Abundant Experience. Prevent cracks and twist in bricks.
  3. Different Moulds. Save mould fees for you.
  4. Strict Quality Control. Meet clients’ quality requirement.
  5. Large stocks. Guarantee prompt delivery.
  6. Professional Packing. Avoid damage and secure the goods in transportation

Professional Alumina Bubble Thermal Insulation Refractory Bricks With Low Bulk Density