High Quality Refractory Firebrick For Sale

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Product Description:

Specifications

refractory firebrick
1.Resisting high temperature
2.Great bulk density
3.Low iron content
4.SIO9001;2008

Product Description

Refractory firebricks the main raw material for aluminum silicate fiber cotton, using vacuum

forming production process, operation and add silica sol, aluminum phosphate inorganic binder,

its role is to ensure that the products of the high temperature strength.

Firebrick Brief Introduction

Item

High Quality Refractory Firebrick for Sale

Type

Silica alumina refractory brick

Alkaline series

Carbon brick

Containing zirconium refractory brick

Heat insulation refractory brick

Size and Specifications

NA RNA NK NKI

Characteristics

Density huge , Strength high  

Refractoriness under load high

Thermal shock resistance best

Good eroding resistance

Resisting high temperature

Typical Application

1.Building material industry,kiln,heating equipment and the inwall of high—temperature pipe line

2.Chemical industrial high temperature of reaction equipment inwall

3.Power plant ,gas turbine engine and heat insulation of unclear power

4.The fire proof of high—rise building

5.Furnace door of kiln

6.High-temperature filter material

Operating Temperature

 600°C, 950°C

Service

the specifications of refractory brick could be customized

MOQ

1 ton

Port

Qingdao Port

Payment Terms

L/C, D/A, D/P, T/T, Western Union, MoneyGram, Cash

Packing

wooden pallets with water-proof cover, and tightened with plastic/steel bandages

Delivery

Within 15 Days

Certificate

CE, ISO 9001

Firebrick Typical Application

Items

Index

N-1

N-2a

N-2b

N-3a

N-3b

N-4

N-5

N-6

Refractoriness, °C

1750

1730

1730

1710

1710

1690

1670

1580

Refractoriness Under Load,°C, [0.2MPa×0.6%]  ≥

1400

1350

--

1320

--

1300

--

--

Linear Change on Rehearting,%

1400°C×2h

+0.1  -0.4

+0.1  -0.5

+0.2  -0.5

--

--

--

--

--

1350°C×2h

--

--

--

+0.2  -0.5

+0.2  -0.5

+0.2  -0.5

+0.2  -0.5

--

Apparent Porosity,  %   ≤

22

26

24

24

26

24

26

28

Cold Crushing Strength,  MPa  ≥

30.0

20.0

25.0

20.0

15.0

20.0

15.0

15


Packaging & Shipping

firebrick

Packing

wooden pallets with water-proof cover, and tightened with plastic/steel bandages

By your request also

Shipping

We will shipping and delivery goods timely ,quanlity and quantity guaranteed , and also in accordance

with the contract and customer's requirment completely !

FACTORY:


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Q:What effect does aluminium powder play in refractory bricks?
Aluminum powder can increase the high melting point of refractory refractory, while increasing material density, hardness and other changes in physical properties of aluminum powder in the application of unshaped refractories in the gas can be discharged in the material, prevent the refractory sudden warming occurred during the burst.
Q:For refractory, what is critical particle size? Thank you.
It also refers to the largest particle size of aggregate!
Q:Which kind of furnace hearth refractory is better?
hearth selected material] hearth material must be durable, high temperature resistant, general selecting masnory made of refractory cement, silicon carbide refractory products, mullite or multicrystal mullite (which is the general term of minerals composed of a series of aluminum silicate, mullite is only stable binary compound in the Al2O3-SiO2 system) etc.. [hearth] is a three-dimensional space surrounded by furnace walls for combustion of the fuel. The funtion of hearth is to ensure the fuel to burn as far as possible, and to cool the gas temperature of the hearth exit to the allowed temperature of convection heating surface safe operation . Therefore, the hearth should have sufficient space and adequate heating surface. In addition, there should be reasonable shape and size in order to fit the burner and the organize aerodynamic field inside the furnace to prevent the flame from adherence, dashing walls and have high fullness and eve wall thermal load.
Q:What are the differences and connections between softening temperature of the refractory under a fixed load and thermal resistant creep property of the refractory?
The result of refractoriness under load is temperature while the result of creep is percentage of deformation. Refractoriness under load and creep can be tested by an instrument. Refractoriness under load reflects the temperature in which the deformation reaches a certain degree under the condition of load. Creep reflects the deformation refractory has under the condition of constant temperature and load. Both refractoriness under load and creep are important criterion for the operating temperature of refractory.
Q:What is high alumina refractory?
High alumina refractory: High alumina refractory products, with high refractoriness, compressive strength and refractoriness under load, it is used for masonry of a variety of large-scale blast furnaces such as steel furnace, air heating furnace and electric furnace, and for high-temperature parts of thermal equipment like rotary kilns.
Q:What is refractory brick?
Capability1. Refractory brick is also known as firebrick. It is faint yellow or brownish. Refractory brick with 770 ℃ at high temperatures is called for short firebrick. It is mainly used for building and smelting furnace. It is a refractory material made by fring refractory clay or other refractory material.
Q:What's the texture of refractory for the hearth of reverberatory furnace? ?
The long-term usage temperature of ceramic fiber is between 950-1260 degrees.
Q:Does anyone know the fire endurance of steel stud partition?
The fire endurance degree is 1 hour. which is in line with the national building material fireproofing test standards. CaSo4.2H2O is molecular gypsum molecular structure formula, containing 20% ​​water, crystal water and free water, when putting on fire, 10% of the surface water will slowly evaporate, remaining10% of crystal water. It is a class A fire retardant material itself. The longest time can be 4 hours.
Q:How to deiron refractory?
Our company uses magnetic separation method.
Q:What are included in roof thermal insulation fireproofing material?
Aluminium foil, bubble, aluminium foil/air bubbles/fireproofing aluminium foil thermal insulation material, fireproofing bubble thermal insulation material, fire retardant thermal insulation material, thermal insulation construction materials, aluminum foil insulation material.

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