• High strength, low thermal conductivity High Alumina insulation firebrick for Kiln System 1
  • High strength, low thermal conductivity High Alumina insulation firebrick for Kiln System 2
High strength, low thermal conductivity High Alumina insulation firebrick for Kiln

High strength, low thermal conductivity High Alumina insulation firebrick for Kiln

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
1000 pc
Supply Capability:
10000000 pc/month

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Quick Details

Place of Origin:

Henan, China (Mainland)

Shape:

Block

Material:

Alumina Block

SiO2 Content (%):

customized

Al2O3 Content (%):

customized

MgO Content (%):

customized

CaO Content (%):

customized

Refractoriness (Degree):

Common (1580°< Refractoriness< 1770°)

CrO Content (%):

customized

SiC Content (%):

customized

Model Number:

STA-000123

Brand Name:

CNBM

AL2O3%:

48

Fe2O3%:

2.0

Densityg/ cm³ ≤:

1.0/0.9/0.8/0.7/0.6/0.5

Compressive strengthMpa≥:

4.0/3.5/3.0/2.5/2.0/1.5

linear change on reheating:

1400C/1400C/1400C/1350C/1350C/1250C

thermal conductivity350°C±25 °C W/m.k:

0.50/0.35/0.35/0.30/0.25/0.20

Packaging & Delivery

Packaging Details:Polythene-foamed sheet bag and wooden case and wooden pallet or pack as customer's requirements.
Delivery Detail:about 30 days

High strength, low thermal conductivity High Alumina insulation firebrick

 

 

 This product uses high-grade hollow ball and alumina as the main raw materials, made by high temperature sintering. With features of High strength, low thermal conductivity, suitable for 1400°C below’s furnace insulation and lining.  

 

 

Chemical properties

 


Lg-1.0

Lg-0.9

Lg-0.8

Lg0.7

Lg0.6

LG0.5

AL2O3%

48

Fe2O3%

2.0

Densityg/ cm³ 

1.0

0.9

0.8

0.7

0.6

0.5

Compressive strengthMpa≥

 

4.0

3.5

3.0

2.5

2.0

1.5

 linear change on reheating≤2%×2h 

Lab Temperature °C

1400

1400

1400

1350

1350

1250

thermal conductivity350°C±25 °C  W/m.k

0.50

0.35

0.35

0.30

0.25

0.20

High strength, low thermal conductivity High Alumina insulation firebrick for Kiln


Q:What materials are used for roof insulation?
The other one is inorganic insulation materials, such as Portland, rare earth insulation, the thickness should be 5 cm or more, up to the high cost of auxiliary materials of construction, to reinforce, new inorganic insulation material, the material thickness, on the line of 2-3 cm, direct smear on the top of the house, without auxiliary material, than the price of wool, high aluminum silicate cotton.
Q:Are there any differences between insulating bricks and refractory bricks?
Heat preservation brick is to emphasize its heat preservation performance generally, not paying much attention to its refractoriness, but refractory brick is exactly the opposite. Different locations will use different materials, I hope we can choose carefully.
Q:What are ordinary bricks, refractory bricks, hollow bricks?
Referred to as refractory brick. Refractory wood made from refractory clay or other refractory material
Q:What's the difference between a well type annealing furnace and a box type annealing furnace?
RT3 series trolley type resistance furnace is a national standard energy-saving cycle type operation furnace. It has super energy-saving structure, adopts fiber structure and saves electricity 30%. Exclusive production of composite high aluminum nails group, car anti-collision sealing brick, automatic sealing trolley and furnace door, integrated rail, without the basic installation, placed on the ground floor can be used. Mainly used for high chromium, high manganese steel castings, ductile iron, roller, steel ball, 45 steel, stainless steel quenching, annealing, aging, and various mechanical parts heat treatment. Features: 1, no noise, no environmental pollution. 2, small heat storage, less heat loss. 3, high temperature control accuracy, furnace temperature uniformity. 4, a high degree of automation, simple. 5, PID programming can be used to set, fully automatic operation. 6, good sealing, long life, safe and reliable. Widely used in chemical, petroleum, food, metallurgy, machinery, light industry, electricity, ships, paper, mining, medicine, central heating and other industrial sectors. With the development of social productive forces, its application in various industries is more and more widespread. Two, pitannealingfurnace (for example: flange heat treatment furnace) use: the furnace for metal parts, such as ring of equipment heat treatment at rated temperature: the furnace is composed of furnace body and a movable furnace cover and control system.
Q:In 2016, a few of the traditional refractory materials will be able to survive
The other is in large enterprises and individual has the unique advantage of the small enterprises, with independent technology system, production equipment advanced, there are certain funds set up to deal with risk, timely reform, such enterprises compared to a few years ago the productivity and sales or have declined, but overall is still in the stage of production increased steadily.
Q:The cloth blowing is not uniform on the lime kiln refractory brick is damaged it
Lining 1 yuan to prevent direct damage to the Sindh kiln high temperature flame or air, to protect the kiln carcass; 2, to prevent harmful substances (CO, SO2) erosion of the kiln body; 3, to prevent corrosion, material flow on the kiln body; 4, reduce the kiln temperature, kiln body to prevent oxidation 5, has the function of corrosion; thermal insulation; 6, to improve the coating performance.
Q:What kind of material is the general metal case?
We usually discuss the electromagnetic radiation of computer enclosures, mainly RF radiation, followed by MF leakage.Switch signal of RF radiation from computer high-speed leakage, such as one of the energy radiation is CPU frequency, graphics, display output line, keyboard, is the source of the operating characteristics of the computer leaked out, is also the main part of computer security.For the absorption of radio frequency radiation, the best is the use of copper materials, the use of other metals can also, thickness enough on the line.The most vulgar description is that people can sit in the case is a good thing.
Q:What is the apparent porosity of high alumina brick?
In the production of high alumina bricks in addition to the entity, there are many different sizes and shapes of different pores, pores can be divided into three categories: one side closed the other side and the outside world is called open pores, closed in the product not communicated with the outside is called closed pores, penetrating through pores called the few products.
Q:Does the chimney have high acid resistance?
The acid resistant bricks used for chimney are usually made of custom-made trapezoidal acid proof bricks, and the physical and chemical indexes of acid resistant bricks need to be confirmed according to the chimney's actual emission. At this point, you can consult our kerei refractories.
Q:What are the main components of high alumina bricks?
High alumina brick materials according to the main mineral phase can be divided into: aluminum silicate minerals, such as sillimanite, kyanite, andalusite, and synthetic mullite.

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