$High Alumina Brick - High Density Refractory Magnesia Bricks Chinese Manufacturer System 1$
$High Alumina Brick - High Density Refractory Magnesia Bricks Chinese Manufacturer System 2$
$High Alumina Brick - High Density Refractory Magnesia Bricks Chinese Manufacturer System 3$
$High Alumina Brick - High Density Refractory Magnesia Bricks Chinese Manufacturer System 4$
$High Alumina Brick - High Density Refractory Magnesia Bricks Chinese Manufacturer System 5$

$High Alumina Brick - High Density Refractory Magnesia Bricks Chinese Manufacturer$

$High Alumina Brick - High Density Refractory Magnesia Bricks Chinese Manufacturer System 1$

$High Alumina Brick - High Density Refractory Magnesia Bricks Chinese Manufacturer System 2$

$High Alumina Brick - High Density Refractory Magnesia Bricks Chinese Manufacturer System 3$

$High Alumina Brick - High Density Refractory Magnesia Bricks Chinese Manufacturer System 4$

$High Alumina Brick - High Density Refractory Magnesia Bricks Chinese Manufacturer System 5$

High Alumina Brick - High Density Refractory Magnesia Bricks Chinese Manufacturer

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1 m.t.

Supply Capability:: 2000 m.t./month

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Description of Refractory Magnesia Bricks

Refractory Magnesia Bricks High Density Chinese Manufacturer is kind of structural ceramics, with insulation resistance, voltage resistance, high strength, good thermal conductivity, dielectric loss, stable electrical performance characteristics.

Used in electronic ceramic substrates, ceramic electrical insulation, vacuum devices, devices porcelain, spark plugs and other products.

We can make the part by hot injection pressing, dry pressing, isostatic pressing and extrusion productive technology etc

Features of Refractory Magnesia Bricks

(1) Excellent refractoriness

(2) Excellent chemical stability and thermal stability

(3) Low thermal conductivity, low thermal capacity

(4) Resist to external mechanical forces

(5) Able to withstand any thermal shock

(6) Generate no gaps between modules

Specifications for Refractory Magnesia Bricks

Performance
Item		Unit	95 Al2O3	96 Al2O3	99 Al2O3
Physical Characteristics	Bulk density	g/cm3	3.6	3.6	3.9
Physical Characteristics	Water absorption	%	0	0	0
Mechanical Characteristics	Flexural strength	Mpa	320	340	360
	Hardness Vickers	Gpa	12.2	13.5	15.6
	Elastic modulus	Gpa	280	320	370
	Poisson’s ratio	-	0.22	0.23	0.23
Thermal Characteristics	Linear expansion coefficient	(200C-5000C) 10-6/0C	7.1	7.2	8
	Thermal conductivity	w/(m.k)	16	24	32
	Specific Heat	10-3J/(kgK)	0.78	0.78	0.9
Electrical Characteristics	Dielectric constant (1MHZ)	-	9	9.4	9.9
	Dielectric loss angle	*10-4	15	5	1
	Dielectric strength	*106V/m	12	15	15
Processing technology
Process range (mm)
Outside Diameter	1---300
Inside Diameter	0.5---300
Length	0.5---1200
Accuracy of working (mm)
Perpendicularity	0.01
Concentricity	0.01
Roundness	0.005
Straightness	0.005
Parallelism	0.01
Planeness	0.005
Roughness	0.05
Fit clearance	0.005

Images of Refractory Magnesia Bricks

$Refractory Magnesia Bricks High Density Chinese Manufacturer$

Applications of Refractory Magnesia Bricks

Common applications :door seals or caulking for ovens, furnaces and boilers, expansion joints, cable or pipe wrapping, high temperature seals or gaskets.

Refractory Magnesia Bricks have been widely used in welding, foundry works, aluminum and steel mills, boiler insulation and seal, exhaust systems, shipyards, refineries, power plants and chemical plant

FAQ of Refractory Magnesia Bricks

1. Can we visit your factory?

Sure, we warmly welcome you to visit our factory any time. Seeing is believing.

2. After an order is placed, when you will deliver?

10-30days.

3. Does your company accept customization?

We have a strong technical force. Our production methods are unique in that in allows us to be responsive to the needs and specification of our customers. We use a batch method of production, so each technician on the line is responsible for a specific area of expertise. at any point in our production, we can make changes and incorporate the feedback from our clients. We accept OEM service.

4. How is your products quality?

We specialize in fire brick ,our products are superior in quality to any other brand available on the market. These fire brick are gaining popularity because of their fine quality, competitive prices, and our honest dealings.

Q:Which is better, the soft core or the hard core?: The wire has two kinds of hard core and soft core, the hard core line is only one wire core, and the soft core line has a plurality of wire cores. For the same sectional area, the 7 core is more than the more than 30 core. There is a difference in use. Generally used for DC is the use of hard core line, because of its small line consumption; and for communication, we should use soft core line, but also in order to reduce its line consumption

Q:What is the standard size of high alumina brick?: The country has laid down a number of criteria for the use of refractory bricks to unify market demand.

Q:What are the specific raw materials for plastic pallets?: With excellent mechanical properties, its strength and elasticity are higher than HDPE, and it has good flexural fatigue resistance. It has good heat resistance and good chemical stability. Besides being concentrated by concentrated sulfuric acid and concentrated nitric acid, it is relatively stable to other chemical reagents. The high frequency insulation performance of polypropylene is excellent because of its almost no water absorption, so the insulation performance is not affected by temperature.

Q:What's the price of high alumina refractory bricks?: The price of high alumina refractory bricks varies greatly according to the content of AL2O3.

Q:What are the reasons for the decline in the performance of high alumina bricks when we use high alumina refractory bricks?: All the raw materials adding order, mixing time, material and material moisture trapped. 4, the pressure and the volume density of Pei brick and brick Pei size etc..

Q:What is the apparent porosity of high alumina brick?: In the production of high alumina bricks in addition to the entity, there are many different sizes and shapes of different pores, pores can be divided into three categories: one side closed the other side and the outside world is called open pores, closed in the product not communicated with the outside is called closed pores, penetrating through pores called the few products.

Q:What's the weight of the refractory bricks?: Fireclay refractory bricks: 3.4kg-3.8kg - according to the quality of raw materials, prices ranging from 1 yuan to 2.7 yuan, high alumina refractory brick: three, high aluminum in 3.9kg or so. Ordinary T-3 firebrick weight calculation method: 230*114*65*2.2/2.1.

Q:What is spalling resistant high alumina brick?: Spalling resistant high alumina brick is a kind of high alumina brick. Antistripping high alumina brick with high grade bauxite and containing Zr02 synthesis as raw material, according to a certain proportion by high pressure molding system in sintering products, products with anti stripping ability, and have the anti erosion potassium, sodium, sulfur, chlorine and alkali salt, low thermal conductivity and other properties that is the transition zone of cement kiln and decomposition of ideal material with remarkable characteristics, the product is good thermal shock resistance, strong ability to adapt to the environment. It is used in the preheating or decomposing furnace, grate cooler and so on.

Q:What is the difference between high alumina brick and clay brick?: Lightweight high alumina bricks are usually made of high alumina bauxite clinker with a small amount of clay. After grinding, the bricks are poured and shaped in the form of slurry by gas or foam method. They are fired at 1300~1500 DEG C. Sometimes industrial alumina can be used instead of some bauxite clinker. Used for lining and insulation of masonry kilns, as well as for areas where there is no strong, high temperature molten material erosion and erosion. When contacting the flame directly, the surface contact temperature shall not be higher than 1350 degrees centigrade.

Q:What is the difference between fireclay bricks and high alumina refractory bricks?: High alumina brick is one of refractory materials. The main component of this kind of refractory brick is AL2O3.

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