$Mullite Bricks Refractory Bricks Refractories$

$Mullite Bricks Refractory Bricks Refractories System 1$

$Mullite Bricks Refractory Bricks Refractories System 2$

$Mullite Bricks Refractory Bricks Refractories System 3$

Mullite Bricks Refractory Bricks Refractories

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

Product Description

Low Thermal Conductivity

It has good insulation effect and can thin the thickness of furnace wall.

Low thermal capacity

Less heat storage, it has good usage effect in intermittent furnace.

Good thermal shock resistance and high temperature strength

It can prolong the service life of kilns and prevent dirty slag to drop down.

Precise dimension

It can keep uniform gaps between each brick, speed up the building, guarantee the integrated high strength of the masonry.

Low impurity

Lower iron and alkali content, it has high resistance to reduce atmosphere corrosion at high temperature.

Specification

Mullite Insulating Brick

Item		MD-1300	MD-1450	MD-1550	MD-1650	SZ-0.5
ASTM C155-84 Classification		23	26	28	30
ISO 2245 Classification		125-0.5-L	140-0.8-L	150-0.9-L	160-1.0-L
Classification Temperature		1260	1430	1540	1650
g/cm³		0.6	0.8	0.9	1	0.55
Bulk Density
ASTM C-134-84
Cold Crushing Strength		1.5	3	3.5	4	1.2
ASTM C-93-847(MPa)

Thermal Expansion At 1100℃		0.5	0.5	0.58	0.6	≤1.5(900℃)
Thermal shock Resistance Cycles		30	30	30	30
Thermal Conductivity ASTM C182-88W/m.k	400	0.14	0.27	0.32	0.41	≤0.15
	600	0.16	0.29	0.34	0.43
	800	0.18	0.31	0.36	0.44
	1000	0.2	0.33	0.38	0.45
	1200	—	0.35	0.41	0.47
Al2O3 %		37	52	67	73
Fe2O3 %		1.3	1	0.8	0.6

$Mullite Bricks Refractory Bricks Refractories$

Q:The introduction of mullite brick: 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: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 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: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.

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 difference between the high aluminum corundum brick and corundum mullite brick: Wall tiles and floor tiles are collectively referred to as ceramic tile flooring

Q:Jm26 mullite aluminum content in the number, ask God to answer. 23 more. How is this identified with the naked eye?: In the presence of excess EDTA in the acidic medium, the aluminum is complexed with EDTA, and the remaining EDTA is complexed with lead salt, and then the EDTA complexed with aluminum is replaced by sodium fluoride, and the lead salt is substituted...

Q:What are the varieties of polycrystalline mullite?: Performance comparisonWe used chemical method to produce a microcrystalline structure, excellent thermal stability, temperature exceeds the 300~400. C.The small fiber diameter uniform, slag ball trace, bulk density for 1/2~1/3 products.The large amount of fiber products, high porosity, low coefficient of heat conductivity.It has large surface area, is the ideal material for high temperature catalytic carrier.

Q:Mullite bricks in alumina alumina is what?: Quality solutionsMullite brick:With mullite as main crystalline phase of high alumina refractory products. Mullite bricks containing Al2O3 64%~75%, refractoriness >1790? C, normal temperature compressive strength 70~260MPa, softening the starting point for 1600~1700 degrees. The manufacturing method for casting and sintering process.

Q:Aluminum content 38, silicon content 55 What refractory bricks?: Semisilica brick: the content of Al2O3 is 15% ~ 30% of aluminium silicate refractory products. Manufacturing products are semi silica quartz containing impurities or native clay kaolin, refractory clay or kaolin beneficiation tailings and the pyrophyllite

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