$Refractory Fireproof Mullite Bricks Refractories Brick System 1$
$Refractory Fireproof Mullite Bricks Refractories Brick System 2$
$Refractory Fireproof Mullite Bricks Refractories Brick System 3$
$Refractory Fireproof Mullite Bricks Refractories Brick System 4$
$Refractory Fireproof Mullite Bricks Refractories Brick System 5$

$Refractory Fireproof Mullite Bricks Refractories Brick$

$Refractory Fireproof Mullite Bricks Refractories Brick System 1$

$Refractory Fireproof Mullite Bricks Refractories Brick System 2$

$Refractory Fireproof Mullite Bricks Refractories Brick System 3$

$Refractory Fireproof Mullite Bricks Refractories Brick System 4$

$Refractory Fireproof Mullite Bricks Refractories Brick System 5$

Refractory Fireproof Mullite Bricks Refractories Brick

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1 m.t.

Supply Capability:: 1000 m.t./month

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Packaging & Delivery

Packaging Details:	Wood carton box:10pcs/carton wooden pallet:544pcs/pallet
Delivery Detail:	15 Days deposit

Density:0.4-1.35g/cm3

Specifications

Refractory brick is a kind of insulation material adoption organic matter as ignition loss substance

in order to increase the porosity, small volume density , good insulation effect, high mechanical

intensity , small thermal conductivity and low heat storage. They are widely used in Fire – Clay

Insulating Refractory Brick, High-Alumina Insulating Refractory Brick , Diatomaceous Insulating

Brick, High Grade Insulation Brick :XJM Series Light-Weight Insulation Brick , B Series Thermal

Insulation Brick, Calcium Silicate Insulating and Refractory Products, Clay Insulation Brick, Foam

Diatomite Insulation Brick, and Light –Weight Insulation Brick.

Lower heat storage than denser refractories

low levels of iron and other impurities

Lightweight and energy-efficient

High compressive strength

Typical application of High temperature high density white color bricks Polycrystalline mullite bricks

Electrolytic Aluminum Industries
Iron & Steel Industries
Non-Ferrous Metals Industries

Glass Industries
Ceramics Industries

Materials of Insulation Brick		Lightweight Clay	Lightweight High-alumina	Lightweight High-alumina
°C		1225	1300	1400
Operation Temp
Chemical	AI2O3%≥f	30	48	55
Composition	SiO2%≥
	Fe2O3%≤	1.5	1.1	1
	TiO2%≤		2	1
	CaO%≤
	Alikali %≤	1.5	1.5	1.5
g/cm3 Density		0.7	0.85	0.95
%> Apparent Porosity		75	65	65
MPa ≥		1	1.5	2
Cold Compression Strength
%		1250°C/12h-1-0	1400°C/12h-1-0	1500°C/12h-1-0
Linear Change on Reheating
(0.02MPa)
Refractoriness under Load
0.2%°C≥		1150	1250	1380
2.0%°C≥		1200	1350	1470
5.0%°C≥		1250	1400	1510
Thermal Conductivity
20°C(W/mK)≤		0.17	0.3	0.4
800°C(W/mK)≤		0.25
1000°C(W/mK)≤			0.35	0.45

$Refractory Fireproof Mullite Bricks Refractories Brick$

Q:What is the price of refractory bricks?: The refractory insulating brick generally refers to light brick, normal furnace lining are using this brick kiln will not increase the weight, and good heat insulation effect and ordinary insulating brick production are made of clay, high alumina high strength low iron bead brick, mullite, high aluminum light insulating firebrick, diatomite insulating refractory brick, the use of light heat insulation brick can increase the use of space, and good insulation effect

Q:The introduction of mullite brick: High alumina refractory with crystalline mullite (3Al2O3, 2SiO2) as the main crystal phase.

Q:What is the difference between mullite ceramics and alumina ceramics? Can you tell me something to do with floor tiles?: Corrosion resistance: mullite acid is not alkali resistant. Alpha alumina ceramic acid, alkali resistance - for floor tiles, alumina corrosion resistance is too high, unnecessary.Sintering temperature: the sintering temperature of mullite is low. So the cost is low because of this, so alumina ceramic is basically not used for floor tiles - unless it's too rich to burn.Heat shock resistance: the thermal shock resistance of mullite is higher than that of alumina.High temperature creep properties: the high temperature creep of mullite is higher than that of alumina, so mullite can bear higher weight at high temperature, and alumina is less.Resistance: alumina ceramic resistor is higher than mullite, so it is used as high-voltage insulators.

Q:Aluminum content 38, silicon content 55 What refractory bricks?: When the bricks are below Al2O3 71.8%, the base of the composition is mullite and SiO2, such as grade LZ-48 bricks. Because it contains a large number of SiO2 formed in the liquid phase under high temperature is 20% ~ 30%; brick in Al2O3 more than 71.8%, the excess Al2O3 formed corundum crystal under high temperature, while generating 2 high temperature phase, eutectic temperature rise by the low content of Al2O3 brick 1595 C to 1840 C, such as grade LZ-75 brick. In fact, it is impossible to produce a complete phase equilibrium in the process of production, but the glass phase is very small, and there is no more than 10% in the partial gap of the Yu Jing phase

Q:What are the properties of corundum mullite?: Lightweight materials have uniform internal structure, high compressive strength, corrosion resistance, heat shock resistance, oxidation resistance, high temperature and low thermal conductivity.

Q:(refractory castable, silicon carbide brick, mullite bricks etc.) do testing should be commissioned by the project? What are the specific qualification standards? Thank you: If there is no mark, ask the laboratory of the production factory to analyze any chemical or physical items. Or, check the national standard, the national standard has the basic requirements of the physical indicators

Q:Jm26 mullite aluminum content in the number, ask God to answer. 23 more. How is this identified with the naked eye?: Under strong alkaline conditions, aluminum is separated from other metal ions by the amphoteric nature of aluminum.

Q:Mullite brick: High alumina refractory with crystalline mullite (3Al2O3, 2SiO2) as the main crystal phase. General alumina content in 65% ~ 75% between. In addition to mullite, the mineral composition contains lower amounts of glass phase and square quartz, and alumina containing a small amount of corundum.

Q:What are the varieties of polycrystalline mullite?: Chemical composition AI2O3:72 ~ 74%AI2O3+SiO2:~99.6%Main crystalline phase mulliteThe fiber diameter is 2-3.8The specific surface area is 35.5M2/g (1000 DEG C)The burning shrinkage rate was ~1.0% (1500 x6hr)Bulk density 60-100kg/M3The temperature is 1500 degrees centigrade

Q:Refractory bricks (mullite bricks) can be used on the walls of buildings?: In many architectural design, high-rise fire rating is placed in the important position of the topic, especially when the floor height is more than 20 layers, we have more stringent requirements for the choice of fire resistant materials. The building wall, kitchen flue, boiler flue, flammable zone must use a firewall barrier, in many refractory refractory brick is the product of choice for fire resistance of refractory brick masonry is more stable.

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