$Refractory Mullite Insulation Brick System 1$
$Refractory Mullite Insulation Brick System 2$
$Refractory Mullite Insulation Brick System 3$
$Refractory Mullite Insulation Brick System 4$
$Refractory Mullite Insulation Brick System 5$

$Refractory Mullite Insulation Brick$

$Refractory Mullite Insulation Brick System 1$

$Refractory Mullite Insulation Brick System 2$

$Refractory Mullite Insulation Brick System 3$

$Refractory Mullite Insulation Brick System 4$

$Refractory Mullite Insulation Brick System 5$

Refractory Mullite Insulation Brick

Ref Price:: $125.00 - 165.00 / m.t.

Loading Port:: Shanghai

Payment Terms:: TT or LC

Min Order Qty:: 10 m.t.

Supply Capability:: 100 m.t./month

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Quick Details for Refractory Mullite Insulation Brick

Place of Origin:	(Mainland)	Shape:	Brick	Material:	Mullite
SiO2 Content (%):	30%	Al2O3 Content (%):	41%--72%	MgO Content (%):	less
CaO Content (%):	less	Refractoriness (Degree):	Common (1580°< Refractoriness< 1770°)	CrO Content (%):	less
SiC Content (%):	less	Model Number:	GR23,GR26,GR28	Brand Name:
Size:	230X114X75,230x114x65,30x114x75/70,230x114x75/65,etc	Density:	0.6-1.1 g/cm3	Thermal conductivity at 350℃:	0.16-0.43W/m*k
Advantage:	Low thermal conductivity, low thermal capacity, low impurity content	Usage:	All kinds of industrial furnace heat side lining materials	Packing:	plastic film and pallets,wooden box,as request
0.2Mpa refractoriness under load:	1350℃	Compressive strength:	1.1-4.8Mpa	Fe2O3:	less than 1.5%
Al2O3:	38-79%

Packaging & Delivery

Packaging Detail:	plastic film and pallets,wooden box,carton,As requested
Delivery Detail:	within 30 days after get your order

Specifications

1.Light weight insulating brick Al2O3:38-79%
2.B.D:0.6-1.1g/cm3
3.Fe2O3:less than 1.5%
4..CCS:1.1-4.8Mpa

refractory mullite insulation brick

Product Description

Product information:

Light weight insulating mullite brick

Feature:

1.Low thermal conductivity, low thermal capacity, low impurity content

2.High strength

3.Good thermal shock resistance, Corrosion atmosphere resistance

4.High dimensional accuracy

5.Low reheat shrinkage

Usage:

1.All kinds of industrial furnace heat side lining materials, such as: annealing furnace, carbide furnace, tempering furnace, refining furnace, furnace, roller kiln, tunnel kiln, etc.

2.The backing insulation materials for various kinds of industrial furnace.

3.Reducing atmosphere furnace.

Products data:

Item	GR-23A	GR-23B	GR-26A	GR-26B	GR-28A	GR-28B	GR-30A	GR-30B	GR-32A	GR-32B
Al2O3,%≥	38	42	50	54	62	65	72	73	79	79
Fe2O3,%≤	1.5	1.5	1.0	1.0	0.9	0.9	0.8	0.8	0.7	0.7
Bulk density, kg/m3	600	800	800	800	800	900	900	1000	1000	1100
Reheat linear change,%≤	1260℃x3h 0.6	1300℃x3h 0.5	1370℃x3h 0.6	1400℃x3h 0.6	1700℃x3h 0.8	1500℃x3h 0.8	1530℃x3h 0.8	1550℃x3h 0.8	1570℃x3h 0.8	1600℃x3h 0.8
CCS,Mpa	1.1	2.0	2.4	2.4	2.8	3.3	3.5	4.0	4.5	4.8
Thermal expansion (1000℃),%	0.5	0.5	0.5	0.5	0.55	0.55	0.58	0.58	0.60	0.60
Thermal conductivity (350℃)W/m*k	0.16	0.24	0.25	0.25	0.28	0.33	0.35	0.39	0.40	0.43

$Refractory Mullite Insulation Brick$

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Q:With different capacitance magnesia brick brick: It has good thermal stability, corrosion resistance and spalling resistance. Widely used in converter, arc furnace and other industrial furnace lining refractory.

Q:Manufacture of various refractory magnesia brick mainly comes from Magnesium Oxide, what kind of ore?: Manufacture of various refractory magnesia brick Magnesium Oxide, mainly from magnesite.

Q:How do you differentiate between the two clearly? Where is the key? Thank you: Magnesia brick have high refractoriness, alkali slag good performance, high load softening temperature, but poor thermal shock resistance. The sintering magnesia brick brick magnesite as raw material, crushing, proportioning, mixing, forming, in 1550 ~ 1600 degrees firing, high purity products firing temperature is over 1750 DEG C. Don't add chemical bond magnesia brick is appropriate in magnesia, through mixing, molding and drying.

Q:Process for producing magnesia chrome brick: The oxide of iron reacts to produce a loose effect caused by the expansion of the spinel. Also, the magnesia chrome brick can be made from the synthetic common sintered material. In addition, there are non burned magnesia chrome bricks, for example, non burned magnesia chrome bricks combined with inorganic magnesium salt solutions. The unfired magnesia chrome brick has the advantages of simple production process, low cost and good thermal stability, but the strength of the high temperature is far less than that of the burnt brick. In the late 50s, a so-called "direct bonding" magnesia chrome brick was developed. The characteristics of this brick raw material is pure, high firing temperature, periclase and spinel phase with high temperature directly, silicate and other low melting point phase for island distribution, therefore, significantly improve the high temperature strength and slag resistance of brick.

Q:Magnesite chrome brick, magnesia chrome brick indicators? What is the price?.: According to the actual situation, design the brick you need, and the price of brick is determined by the index.

Q:How to identify the fused magnesia brick and sintered magnesia brick: Magnesia brick have high refractoriness, alkali slag good performance, high load softening temperature, but poor thermal shock resistance. The sintering magnesia brick brick magnesite as raw material, crushing, proportioning, mixing, forming, in 1550 ~ 1600 degrees firing, high purity products firing temperature is over 1750 DEG C. Don't add chemical bond magnesia brick is appropriate in magnesia, through mixing, molding and drying.

Q:The index of magnesia brick: Room temperature compressive strength≥（MPa）（15－25－）24.5－24.5－24.5－24.5－40－40－40

Q:Refractory brick, high alumina brick, magnesia chrome brick, magnesia brick, clay brick, which type of high temperature refractory brick?: High alumina brick clay brick up to 1700 degrees above 1500 degrees -1750 degrees of magnesia brick and magnesia chrome brick 1500-1650 degrees, I is the production of clay brick, brick my temperature at 1500-1700 degrees. Specific depends on what kiln, brick is only part of it

Q:Brick price?: There are various series of unshaped refractory gunning, magnesia ramming material, mending material, coating material, dry lining material, composite refining agent, covering agent, tundish and tundish slag wall, ladle drainage sand and electric furnace taphole filler etc..

Q:Magnesia brick: Magnesia brick have high refractoriness, alkali slag good performance, high load softening temperature, but poor thermal shock resistance. The sintering magnesia brick brick magnesite as raw material, crushing, proportioning, mixing, forming, in 1550 ~ 1600 degrees firing, high purity products firing temperature is over 1750 DEG C. Don't add chemical bond magnesia brick is appropriate in magnesia, through mixing, molding and drying

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