High Quality Alumina Cement Refractory Cement For Boiler

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China main port
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TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
2000 m.t./month

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Packaging Details:Refractory Cement packing: uauslly bags within ton bag, or according to client's request.
Delivery Detail:10-30 days according to the quantity

High Quality Alumina Cement Refractory Cement For Boiler

 

Product Description

Refractory Alumina Cement

 

Description of alumina cement 

 

Refractory cement is a kind of the refractory material use high quality corundum, alumina magnesia spinel and fused magnetite as raw materials, this refractory mate-

rial is characterized of resistance of high temperature, resistance of erode and

emersion, long life used. What's more, it can be made difference kinds of ladle as your request

 

 

Items

silicon refractory mortar

refractory temperature

1700

bonding time 

1~2 minutes

refractory under load, 0.2Mp

1600

SiO2 content 

≥96%

particle size  

0.075mm ≥60, 0.5mm ≤1

 

 

 

 

Physical and chemical index of alumina cement

 

 

Ordinary refractory cement CA50

 

 Product  Performance

CA50-1

CA50-2

CA50-3

mineral phase composition

main crystal phase

CA

secondary crystal phase

CA2,C12A7, CT, C2AS

specific surface area(m2/kg)

≥300

condensation

(minute)

preliminary condensation

≥30

final condensation

≤360

bending strength

(Mpa)

24hours

5.5

6

6.5

72 hours

6.5

7

7.5

compressive strength

(Mpa)

24 hours

40

45

50

72 hours

50

55

60

application

used as binder to make traditional unshaped refractory material (concrete, refractory gunning material, etc)

 

 

 

High-grade refractory cement CA50

 

ProductPerformance

CA50-1

CA50-2

CA50- 3

mineral phase composition

main crystal phase

CA

CA

CA

Secondary crystal phase

CA2, C2AS

C12A7, C2AS

C12A7, C2AS

specific surface area(m2/kg)

≥400

≥350

≥400

condensation

(minute)

preliminary condensation

≥90

≥30

≥120

final condensation

≤360

≤360

≤480

 

bending strength

(Mpa)

6-8hours

-

4

4

24 hours

8

6

10

72 hours

10

7

11

 

compressive strength

(Mpa)

6-8hours

-

30

30

24 hours

70

50

75

72 hours

80

60

80

application

used as binder to make special unshaped refractory material

 High Quality Alumina Cement Refractory Cement For Boiler


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Q:what is the specs of thermal insulation refractory slab ?
Fireproof insulation specification is 1220 * 2420 1220 * 2420 * 8 * 9. HPL also known as the fireproof board is scientificly named thermosetting resin impregnated paper laminated wood, the abbreviation of which is HPL.Decorative high-pressure Laminate is fire-resistant building materials for decorative purposes. It is rich in surface color, texture and special logistics performance, widely used in interior decoration, furniture, kitchen cabinets, laboratory table, external walls.
Q:what needs to be noted when choosing and using blast furnace fireproof materials?
it depends on the size of the blast furnace. below 200 cubic meters alumina bricks and carbon brickcan be used. 200 cubic meters and above are currently integrated bottom, not the same as the size of the cubic level, varying in the use of refactory. I hope my answers above are helpful to you and your ideal anwers.
Q:The classification of clay according to refractoriness, and what is the plasticity and plasticity index of clay?
Q:How to use fireclay?
Actually, fire clay is not strong. Fireclay are all clinkers with no strength, also known as "blade mud". It is used as the filler with a thickness of not more than 3mm. Therefore, it can not be used for thermal insulation inside the furnace. Inner thermal insulation of the civil boiler can use "alumina cement", also known as refractory cement.
Q:Can anyone tell me what material the first rate fire resistant door is?
Material of Class A fire doors can be divided into steel and wood, so fire doors can be divided into fireproof steel door and fireproof wooden door. In fact, fire doors of all classes are divided into steel, wood, steel and wood, and other materials (see GB ). Mainly depending on what kind of material the customers want. The fire door is called class A fire door not because of the material but because of the fire-resistant time. The fire resistant time of class A fire door is not less than 1.2 hours and fire doors as long as meeting this condition can be called class A fire doors . The filling material in class A fire doors is generally perlite, whose difference is in thickness. A few of them will use fireproofing materials like foam core board, vermiculite fireproof board, MC composite material and so on. The thickness of class A fire door is usually 50mm. I hope my answer can help you.
Q:Selection of refractory materials?
Inorganic non-metallic material with a refractoriness of more than 1580 degrees. Refractoriness refers to the temperature of a sample of a refractory cone, which is resistant to high temperature without softening, and does not soften and melt down. Refractory materials are associated with high temperature technology, which originated roughly from the middle of the bronze age. In the Eastern Han Dynasty has made China kiln firing porcelain material and with fireclay refractory sagger. In the early twentieth Century, refractory materials were developed towards high purity, high density and ultra high temperature products. At the same time, unshaped refractory materials and refractory fibers without firing and energy consumption were developed. With the development of modern technology, atomic energy, space technology, new energy technology, refractory material having high temperature resistance and corrosion resistance, thermal shock resistance, erosion resistance and other comprehensive excellent performance has been applied.
Q:what's the fire endurance of fireproof panel?
Hello, fire endurance of fireproof panel is 3 hours, for example, 12 mm non-asbestos fiber reinforced calcium silicate board, fireproof panel, two single 75 keel. through the monitoring of national fireproof construction materials quality supervision center, it's security and refractory time will reach over 3 hours. fireproof panel, also called fire resistance board, scientific name is thermosetting resin impregnated paper laminated wood,english abbreviation HPL(Decorative High - pressure Laminate) is fire resistant building material for surface decoration and has rich surface colors,lines and special logistics performance, it's widely used in interior decoration, furniture, cabinets, laboratory table, external wall, etc.
Q:What refractory material lead smelting furnace needs?
Q:What is the criterion of entry of refractory clay industry?
Standard sizes of refractory bricks in our country are: 230mm × 114mm × 65mm; ordinary brick: 240 * 115 * 53, Building blocks: (blind holes, through-holes) 240 * 390 * 190 * 190,240 * 190,240 * 190,190 * 90 * 190 * 390 * 190,190 * 190,190 * 190,190 * 190 * 90 * 190, 140 * 390 * 190,140 * 190,990 * 190 * 200 * 400, from 0 * 390 * 190 * 190,90 * 190,90 * 90 * 190. There is also an interlocked hollow blocks: 90 * 200 * 200 * 400,90 * 245,90 * 200,90 * 200 * 200 * 100, 90 * 200 * 290,150 * 275,150 * 200 * 200 * 200, 150 * 200 * 100, 150 * 200 * 290.
Q:Why do magnesium oxide refractory bricks can be made into refractories?
The substance used in refractories must have the following characteristics and properties: 1, High stability: Anti-oxidation, anti-reduction and thermal decomposition; 2, High melting point of 2800 degree; 3, Low price. The magnesium oxide refractories have all these three characteristics and properties, particularlly in the aspects of melting point and stability .

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