• High Alumina Refractory Mortar

High Alumina Refractory Mortar

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Refractory mortar is also known as joint filler. It is composed of a certain particle ratio of refractory powder, binder and additive, pour water or liquid binder to tune into a paste. High alumina refractory mortar is an important part of refractory mortar which is as high alumina clinker as main material, binder adopts mild-clay or chemical bond.
Features:
1.High adhesive strength.
2.High refractoriness.
3.Fast bonding speed.
4.Granularity standard.
Application:
High alumina refractory mortar is mainly used for laying and repair of masonry of high quality high alumina bricks industrial furnace, such as roof, check chamber, combustion chamber of hot blast stove, the upper parts and wall of blast furnace.

Item

Common

High Alumina Refractory Mortar

Phosphate-bonded

High Alumina Refractory Mortar

 

LN-55A

LN-65A

LN-75A

LN-85A

LN-55B

LN-65B

LN-75B

LN-85B

AL2O3 %        ≥

55

65

75

85

55

65

75

85

Refractoriness℃  ≥

1770

1790

1790

1790

1770

1790

1790

1790

Cold Flexural Strength Mpa ≥  

110℃

After Drying

1.0

1.0

1.0

2.0

2.0

2.0

2.0

2.0

 

1400℃ *3h After Burning

4.0

4.0

4.0

--

6.0

6.0

6.0

--

 

1500℃ *3h After Burning

--

6.0

--

6.0

Refractoriness Under Load 2%   ℃    ≥                

--

 

1300

1400

1400

1600

Permanent Linear Change %

1400℃ *3h After Burning

1-5

1-5

1-5

--

1-5

1-5

1-5

--

 

1500℃ *3h After Burning

--

1-5

--

1-5

Bonding Time  Minutes        

1-3

Particle Size %

-0.1mm

100

 

+0.5mm

2

--

 

-0.074mm

50

40

50

40

 

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