High Quality Alumina Cement Refractory Cement For Boiler

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Loading Port:
China main port
Payment Terms:
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:which kind of refractory is used in golden smelting furnace? How about his using temperature
generally the price of the quartz sand refractory material is higher and the temperature can meet the requirement of 2000 degree.
Q:Who knows about the differences between 3M fireproofing materials and ShiLiDe materials?
ShiLiDe materials are rubbish which can not used in many industries now, because the main materials of which are mineral wool boards. These boards are harmful to human body, will lead to chronic poisoning, and the quality of which is bad! You must pay attention to it! They can not be used in chemical and pharmaceutical plants.
Q:Does anyone know the fire endurance of steel stud partition?
Indeed ① Dragon Brand gypsum board fire-resistant partition: Its fireproofing extreme time is 4 hours, suitable for firewalls of a variety of public buildings, public exit passageway and other partitions, which meets the first level of fire protection standard ② fireproofing and pressure-resistant partition: Refers to the partition which can withstand momentary gas shocks of over 1200pa , mianly used for the room partition with inert gas fire-fighting needs, such as equipment rooms. The pressure-resistant degree of fireproofing and pressure-resistant partition of Beixin Building Materials can be up to 4800Pa, especially suitable for high-rise fireproofing.
Q:What problems should be paid attention to while using refractory materials under a controlled atmosphere?
Pay attention to the performance of the materials, and the use of non oxide materials!
Q:What's the heat conductivity coefficient of fire-resistant material?
There are many types of fire-resistant materials woth different thermal conductivity. The question should be more specific.
Q:Who knows about the grade C fireproof door materials?
Wood or steel materials are usually used in them. The new national standard fire doors: According to the enacted GB12955-2008, the fire endurance of grade C fire doors is 0.5 hours and that of grade A and B are 1.5 hours and 1.0 hours respectively.
Q:what is the material of fixed first rate fire resistant window?
Window frames and fireproofing glass, fire sealing strip, fireproofing glass mound layer, which is infexible fan, and the flexible fans have to plus folding and closing window cleaner. (3) window frames must be integral with the building, using wood or iron to connect the wall. After the installation of the steel frame, the cement mortar must be watered between the window frame and the wall, and it should conserve more than 24 hours before normal use.
Q:How to divided the grade of external wall thermal insulation materials?
Synthesized the three versions of GB8624 (1997,2006,2011), external wall thermal insulation fire rating can be basically divided into: A1, A2, B1, B2, B3 and other levels. There are many technical indicators to make specific division, but I partly cannot report for a while, because it is very professional and technical. Please contact Qingdao Shanfang Instrument Co., LTD for details, they specialized in the external wall thermal insulation materials fire rating test
Q:The development prospect of fire-resistant material
Exported bulk material amounts to exported raw material/ To protect domestic resources, many countries have set linitations on the magnesium content in shapeless refractory material and lisences.
Q:What is the difference between wear-resistant material and refractory material?
Focus is different. Wear-resistant material may or may not be refractory. Such as, aluminum oxide ceramics is both refractory and wear-resistant, and many organic wear-resisting materials are wear-resistant but not fire-resistant. First, refractory material should be refractory. It should be wear-resistant in special cases. High-temperature fluidized bed, trough, etc. need refractory material with high strength and good wear resistance.

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