• Raw Materials for Silicon Wear-Resistant Magnesite Refractory System 1
Raw Materials for Silicon Wear-Resistant Magnesite Refractory

Raw Materials for Silicon Wear-Resistant Magnesite Refractory

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Specifications

1.High crushing strength
2.High hot strength
3.Good thermal shock resistance
4.Strong anti-stripping resistance

Characteristic:

  • High crushing strength

  • High hot strength

  • Good continuously forming protective layer during service

  • Good wear resistance,

Trademark

AZM-1 550

AZM-1650

AZM-1680

Item

Index

Index

Index

Chemical composition(%)

SiC+SiO2

≥35

≥30

≥32

Al2O3

≥60

≥65

≥65

Volume density(g/cm3)

≥2.55

≥2.65

≥2.70

Apparent porosity(%)

≤20

≤19

≤19

Cold crushing strength(Mpa)

≥80

≥90

≥100

Refractoriness under load(T0.6,°C)

≥1550

≥1650

≥1680

Thermal shock resistance,time(1100°C,water-cooling)

≥10

≥15

≥20

1) Good performance to thermal shock, corrosion, erosion and abrasion resistance.
2) High refractoriness and excellent mechanical strength.
3) Both intermittently and continuously working mode are acceptable, reducing lining cracks.
4) Longer and stable life cycle to reach high efficiency.
5) Suit for all kinds of metal types, reduce residue and porosity of the products.
6) Labor and cost saving by convenient installation and maintenance

Q: What's the fire endurance of fire windows?
That is fire resistance rating, fire-resistant time in the case of fire! It can be basically classified into the following levels and the fire endurance of the fire window is as follows as well: A class fire window: no less than 1.2h; B class fire window: no less than 0.9h; C class fire window: no less than 0.6h. This is in accordance with the latest specification of gb16809-2008 fire windows.
Q: What is the strength of high strength refractory material?
Refers to constrcuting through ramming, and a refractory materials that is hardened in temperature higher than normal. mixed through a certain grade of refractory aggregate, powder, binder, additives, water or other liquids. Can be classified into high alumina and fireclay, magnesite, dolomite, zirconium and silicon carbide by the standard of texture.
Q: Urgently!! Refractory problems, online, etc.
The service life of most refractory materials is a pair of contradictory effects. As a result, one aspect of the contradiction is porosity, and the other is volume density. The larger the volume density is, the smaller the porosity is and the more erosion resistant, but the thermal shock effect is very poor. The bigger the porosity is, the smaller the volume density is, the better the thermal shock effect is, but it is not resistant to erosion. More professionally, two curves should be made to find the intersection of the curves to adjust the recipe and production process
Q: Is there any difference between insulating bricks and refractory bricks? Are there any professional refractories factories that are reliable in the quality and quality of these irritated materials?
High alumina brick, clay brick, brick and other high-quality refractory products, widely used in metallurgy, building materials (cement and glass), non-ferrous metal smelting, petroleum, chemical, electric power, machinery manufacturing and other industries.
Q: what's the classification of fireproof materials?
Fireproof materials are used in construction, in various forms and it has played an absolute role in modern fireproofing, common fireproofing materials include fireproof?panel, fire door, fireproofing glass, fire?retardant?coating, fireproof bag,etc Or the material itself has a high temperature resistance, heat-resistant, flame-retardant properties. Most of them are used for the construction industry.
Q: What are the characteristics of the carbon composite refractories?
The features of carbon composite refractories: 1. It is with an aggressive high thermal shock resistance 2. Good resistance to molten steel and slag
Q: What material is used to make furnace pipe of refractory bricks?
Refractory brick is called refractory?brick for short. It is a kind of refractory material fired by using refractory clay or other refractory materials. Faint yellow or brownish. It is mainly used in building smelting furnace and has resistance to high temperature 1,580 ℃ -1,770 ℃. Also known as refractory?brick. It is refractory material with a certain shape and size. It can be divided into burnt brick, unburned?brick, fused brick (fused cast brick), fire-resistant insulation brick according to preparation technics; It can be divided into standard brick, ordinary brick and special-shaped brick, etc according to shape and size. It can be used as high-temperature building material and structural material of building kiln and all kinds of thermal equipment. It can also withstand a variety of physical and chemical changes and mechanical action under high temperatures. For example, fireclay brick, high alumina brick, silica?brick, magnesia brick, etc.
Q: What do refractory materials include?
It is so difficult.
Q: What are the application of old refractory bricks?
It can be used for refractory bricks again, as long as the quality is good. It is much more cost-effective than Bayerite.
Q: What are the types of steel refractory materials
Large steel ladle usually made with magnesia carbon brick, of course, it contains a intermediate layer (such as good a little high alumina castable), heat insulation layer and heat preservative materials Alumina-magnesia castable is OK for small steel ladle

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