refractory fireclay brick RN-42

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China main port
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Min Order Qty:
1000 pc
Supply Capability:
10000000 pc/month

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Product Description:

Quick Details

Place of Origin:

Henan, China (Mainland)

Shape:

Brick

Material:

Fireclay

SiO2 Content (%):

standard international

Al2O3 Content (%):

48max

MgO Content (%):

standard international

CaO Content (%):

standard international

Refractoriness (Degree):

1770°< Refractoriness< 2000°

CrO Content (%):

standard international

SiC Content (%):

standard international

Model Number:

RN42

Brand Name:

ANNEC

Name:

Clay Brick For Furnace

Apparent porosity:

≤22

Bulk denisity:

≥2.15

Creep rate:

≤1.0

Refractoriness:

≥1750

Refractoriness Under Load:

standard international

Permanent Linear Change:

standard international

Cold Crushing Strength:

≥30

Fe2O3:

standard international

Al2O3:

48max

Packaging & Delivery

Packaging Details:standard fumigate pallet for sea transportation
Delivery Detail:40 days after signing the contract

Specifications

refractory fireclay brick RN-42 
1.NASDAQ listed company 
2. stock code: ANNC 
3.exported to many foreign countries 
4. pass ISO

Product Description 

Product name Clay Brickmark
ItemsApparent porosity(%)Bulk density(g/cm3)creep rate(1250°C,20-50h,0.2MPa)%Refracoriness(°C)Refractoriness under load(0.2MPa)(°C)
Speification≤24≥2.15≤1.0≥1750-
ItemsPermanent linear change(1150°C,4h,average)Cold crushing strength(MPa)Thermal shock resisitance (1100°C,water)cycleAl2O3(%)SiO2(%)Fe203(%)
Speification-≥30--_-

We can do different components of low creep brick, Fireclay brick is refractory clay and flint clay clinker as the main raw materials, containing 30% to 46% alumina, refractoriness 1580 ~ 1770 °C, is a weak acid refractory, thermal shock resistance and the acidic slag corrosion resistance.

Our Services

&  High professional services.

& Your private information will be well protected.

&  After receiving the e-mail reply as soon as possible.

&  We have a high-quality after-sales service

FAQ

Client:what is your company advertage?

 Us:1,  Our company has established a complete quality assurance system,we have been certified by an array of ISO.

       2,  There is almost no black spot on the surface of our bricks. It represents more even and neat color due to the superior raw material and strict selection.

       3,  Our product enjoys higher refractoriness under load because of its higher heat treating temperature in the high temperature zone of the furnace.

Client :why should we choose you?

   Us:we can ensure qualified products only and 100%exfactory pass rate.

refractory fireclay brick RN-42

refractory fireclay brick RN-42

refractory fireclay brick RN-42

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Q:The advantages of using alkalinty refractory brick?
Magnesia chrome and other spinel refractories alkalinity refractories; (2) the alkalescent chrome magnesite refractories, alkaline solvent resistance is strong, usually refers to the magnesia refractory material, dolomite brick and calcareous refractory materials, dolomite refractory materials and lime refractory materials, acid flux or acid refractory chemical reaction. Mainly used in alkaline steel furnace and non-ferrous smelting furnace. Alkaline refractory material at high temperature for alkaline slag. Mainly as the following categories, but the acid slag, forsterite refractories and magnalium: (1)strongly alkaline magnesia brick, magnesia carbon brick and cement kiln
Q:Do cement kiln refractory bricks have quality guarantee period? can them still be used for a long time's pile?
They of course can be used. The plant will produce some bricks for standby application in advance, so they put for a period of time is completely no problem
Q:How to choose refractory brick
The design of size and selection of refractory brick shape mainly depend on the design of industrial furnace lining . The size and shape of refractory bricks must meet the needs of furnace refractory brick masonry, it both ensures the convenience of building and usability of thermal equipment. (such as sealing, insulation, brick grade and service life etc.). When the furnace design company designs furnace lining of refractory bricks, first it should design the size of refractory bricks or choose standard size refractory bricks, sometimes this work is done by a furnace company, sometimes it is done by furnace construction company or furnace maintenance company directly. The refractory bricks that has a certain size designed by the furnace design companies or construction companies, in addition that it should satisfy furnace operation and operation life, it also considers whether it is convenient for refractory factories to produce refractory bricks, besides, it should take into account that whether the pass rate on main production process and finished product rate is high when bricks are moulded, installed and fired. Refractory it is convenient to operate, and is convenient for refractory factory producing, the selection of shape of refractory bricks and the design of and the brick molding, and on this basis, found the relationship between the size of wedge brick, brick level and service life etc.), some even combine refractories with furnace, but each has its inherent regularity. The foreign refractory attaches great importance to building furnace, the height of furnace should be integer times of the thickness of brick (including brickwork joint)
Q:General used refractory brick T-20 / T-39/ T-206 specifications and dimension
No T-206 model (we produce the clay) T-20 and T-39 are the size of 230*length, 113* width and 65/45 thickness, T-20 is a vertical arch brick and T-39 is horizontal arch brick.
Q:How much is the silica powder in refractory bricks.
It's not easy to construct, also need to consider the technical and economic indexes, DH3, 1 kg silica powder replaces 1 ~ 3 kg cement, which is the reason why silicon powder was not used and spreaded in concrete in past, choose some silica power fume. In general, with the smoke escaping by special capture device for collecting and processing To determine the mixing method of silica powder, when mixing silica powder, you should find out the optimal dosage in order to obtain the best results, as the study, the content is 5% ~ 30%, H, the mixing of super high strength concrete, use same amount of silicon powder to replace equal cement to main same fluidity, Microsilica or Silica Fume, it is mainly according to the design requirements, and does not reduce the amount of cement, sand and stone to adjust the optimal dosage of water reducer, when deciding the best mixing amount of silica fume, the concrete is too sticky, most use naphthalene water reducing agent.
Q:How to adjust the temperature in the 160 meter tunnel kiln?
Tunnel kiln can be attemperated by burning products, this will not affect the firing of different products, and can burn back processing products.
Q:which kind of refractory bricks do coke oven and oxtongue brick belong to ( ) A, silica brick B, clay brick C, high alumina brick
Beef tongue is to regulate the flow of gas, gas flow is not the same, so is the temperature, so choose the temperature resistance brick which is clay brick only.
Q:Can thick steel plate be used instead of the furnace inside the refractory brick?
It depends on the temperature. The steel plate is a kind of heat conduction material which hasn't heat insulation, which should be based on the working environment.
Q:Classification of refractory bricks
Q:Can mud and salt be used as refractory materials
Clay can be used as a refractory material, but salt can certainly not be used.

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