Alumuna Hollow Ball Brick

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Product Description:

Specifications

1. High temperature resistance.
2. Good thermal insulation.
3. Professional manufacturer.

Alumina hollow ball brick, Alumina bubble brick , Alumina hollow sphere brick , Hollow alumina sphere bricks  

Alumina hollow ball brick used the alumina hollow ball,corundum powder,and calcined powders mixed at definite proportion as raw material. After mixing, drying, forming, firing at high temperature shuttle kiln made.

Physical and chemical index:

Item

ZYL-84

ZYL-90

ZYA-1.2

ZYA-1.5

ZYA-1.7

Al2O3 %

84

90

98.5

98.5

98.5

Fe2O3 %

0.8

0.5

0.3

0.3

0.3

SiO2 %

15

9

1.0

1.0

1.0

Bulk density, g/m3,

1.5

1.5

1.2

1.5

1.7

Porosity,%,

58

60

62

60

58

CCS,Mpa,

16

15

3

12

15

Thermal conductivity, 1000°C,( W/m.k )

1.2

1.15

0.95

1.05

1.15

0.1Mpa RUL,°C  

1650

1700

1700

1700

1700

Refractoriness,°C  

1800

1800

1800

1800

1800

Characteristic:

1. High temperature resistance.

2. Low thermal conductivity.

3. Good thermal insulation.

4. High strength.

5. Can direct contact with flame.

6. Good chemical stability (acid-base erosion resistance ).

7. Low bulk density (lighter than the same kind of material ,thin kiln wall, low cost ) .

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Q:What kind of material is clay insulation refractory brick made of?
Alumina silicate refractories with a content of 30% ~ 46% are called clayey refractories. Clay products are mainly made of mullite, glass phase, square quartz and quartz.
Q:How to reinforce a porous brick foundation?
Enlarged section method: it is used for the relatively shallow foundation with independent depth, strip foundation, raft foundation, box foundation and pile foundation applicabilityPoor.
Q:Which kind of balcony heat preservation material is better?
To environmental protection, then use inorganic insulation materials, such as composite silicate, rare earth insulation, this thickness should be more than 5 cm, the construction of auxiliary materials, high cost, to be strengthened
Q:What is the price of thermal insulation brick for exterior wall?
Hello, the exterior wall insulation has many practices, useful insulation bricks, but also useful particles of polystyrene insulation mortar mixed (thickness is not the same, the price is not the same);
Q:What bricks are thermal insulation bricks?
Thermal insulation brick is a new type of building material synthesized with macromolecule material. Grey, hollowed out bricks are basically.
Q:What is the maximum temperature range of high temperature resistant insulation materials?
Materials defined as physical and chemical properties that allow them to be used in a high temperature environment are called refractory materials. Refractory materials are widely used in metallurgy, chemical, petroleum, machinery manufacturing, silicate, power and other industrial fields, the largest amount of metallurgical industry, accounting for 50% ~ 60% of the total output.
Q:What's the difference between refractory bricks and insulating bricks?
Insulation brick mainly is used to heat, reduce heat loss, refractory brick is mainly used to withstand flame burn. Bricks usually do not contact fire directly, while refractory bricks usually contact the flame directly.
Q:Is the building built of cement hollow board safe?
The country stipulates that hollow slab buildings can be built at most 7 floors, and of course there are also eleven stories, but these are illegal constructions. More than 7 layers, in the existing architectural design, according to the cement hollow board bearing, there is a security risk;
Q:What are insulation bricks for? Do not use high-rise buildings on the ah?
Buildings usually do exterior thermal insulation, such as EPS board, polyphenyl board and so on
Q:Why does the water drop first and then rise when the boiler fires?
Often in the operation of the boiler, the steam water mixture to the drum after intense evaporation of a large number of bubbles in the water side, the water volume expansion. By actual water level drum water level indicator is higher than the water level

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