Monolithic Refractories
High Alumina Powder
High Alumina Powder
High Alumina Powder
High Alumina Powder

High Alumina Powder

High alumina fine powder is a refractory material mainly made of bauxite and calcined at high temperature. Its main component is alumina, which usually contains a certain proportion of impurities such as iron oxide and titanium dioxide, and is widely used in the production of refractory materials.

Product Feature

(1) High mechanical strength

(2) Good resistance to wear, strong compression and bending resistance

(3) Excellent chemical stability and good corrosion resistance

(4) Good thermal stability and superior high temperature resistance

(5) Low thermal conductivity, minimal heat loss, and high energy utilization efficiency

(6) Good durability and long service life

Product Application

(1) Refractory products: can be used to prepare refractory bricks, castables, lightweight refractory materials, bonded clay bricks, etc.

(2) Steel industry: the inner walls, insulation layers, furnace throats, kiln doors, feeding ports, exhaust ports, etc. of smelting equipment such as steel furnaces, converters, and electric arc furnaces.

(3) Metallurgical industry: Bauxite is used to manufacture high-temperature furnace linings, furnace liners, and casting sand.

(4) Chemical industry: lining of high-temperature reactors, catalyst carriers, and lining of various corrosion-resistant equipment.

Product Property

Type

Compressive Strength(MPa)

Bending Strength(MPa)

6h

1d

3d

28d

6h

1d

3d

28d

CA50

≥20a

≥40

≥50

-

≥3a

≥5.5

≥6.5

-

≥50

≥60

-

≥6.5

≥7.5

-

Ⅲ‌

≥60

≥70

-

≥7.5

≥8.5

-

Ⅳ‌ 

≥70

≥80

-

≥8.5

≥9.5

-

CA60

-

≥65

≥85

-

-

≥7.0

≥100

-

-

≥20

≥45

≥85

-

≥2.5

≥5.0

≥10.0

CA70

-

≥30

≥40

-

-

≥5.0

≥6.0

-

CA80

-

≥25

≥30

-

-

≥4.0

≥5.0

-

01.高铝粉

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