Fireclay Brick with Al2O3 Content around 38%

Fireclay Brick with Al2O3 Content around 38% System 1

Fireclay Brick with Al2O3 Content around 38% System 2

Fireclay Brick with Al2O3 Content around 38%

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Loading Port:: Qingdao

Payment Terms:: TT or LC

Min Order Qty:: 17 m.t

Supply Capability:: 10000 m.t/month

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General Information

CMAX fireclay bricks are made from clinker clay by mixing, forming, drying, sintering and machining. The alumina content ranges from 36% to 48%. Fireclay bricks feature stable mechanical strength and good thermal shock resistance, withstanding high temperature up to 1750°C.

Application

Petrochemical process heater
Heat treatment furnace
Tunnel kiln
Trolley furnace
Ceramic firing kiln
Cement rotary kiln
Glass melting tank
Blast furnace
Hot-blast furnace
Refractory heat face of furnace

Features
◆Low thermal conductivity ◆High refractoriness

◆High mechanical strength ◆Excellent thermal shock resistance

◆High Strength ◆Lower shrinkage,
◆Good Alkalis Resistant ◆Good resistant to Thermal Shock

ITEM	UNF42	UNF46	ZGN42	RN40	TDL45-12
Refractoriness, ℃	1730	1750	1750	1730	1760
Bulk Density, g/cm³	2.15	2.25	2.3	2.15	2.37
Apparent Porosity, %	22	20	15	24	12
C.C.S, Mpa	30	35	58	28	68
Refractories Under Load (0.2Mpa)，℃	1400	1420	1450	1430	1500
Reheating Linear Change, %	1400℃x2h 0.1～-0.4	1430℃x2h 0～-0.1	1450℃x2h 0～-0.2	1350℃x2h 0～-0.3	1450℃x2h -0.1～+0.05
Al₂O₃ Content , %	42	46	42	40	45

Fireclay Brick with Al2O3 Content around 38%

Q: Whether the cement kiln refractory bricks belong to hazardous waste or not?: No, there is no harmful gas produced, and it will not pollute the ground.

Q: Should kiln be warmed before the ignition of the new furnace?: If you don't have to heat up the furnace. The new furnace must be heated up, and the temperature should be increased according to the heating-up furnace curve, so the current situation you meet is appeared

Q: What is the problem about splintering when the refractory brick is fired?: There are many bubbles inside the refractory brick, it is also possible that the brick itself is not up to the standard about volume density, then refractory brick fragmentates. There are many reasons, may be in the process of repression

Q: What are the differences between sintered bricks and refractory bricks?: Sintered bricks belong to a type of refractory bricks.

Q: What refractory mortar is better if masonrying 4 meters height and 114 mm width of refractory brick: Use high aluminum refractory cement!

Q: What are the type, location and the physical and chemical effects of the refractory brick used in the cement rotary kiln?: But most people use high alumina brick or clay brick, G6 refractory brick. The specific masonry location, such as G4 refractory brick, standard brick, T38, OD, T39, according to the length of your rotary kiln, many kinds of refractory bricks are used in cement rotary kiln, the specific size of the inner diameter should be calculated in detail

Q: How many squares of a ton refractory bricks?: About 2 tons , general one square clay brick is about 2 tons, from 2, one square corundum brick or magnesia bricks can reach 3 tons, it should say one square is how many tons. if it is high aluminum, then see the content of aluminum. It mainly sees what refractory bricks, because the volume and density of refractory bricks are relatively large.2 tons to 2

Q: Are refractory bricks poisonous?: Zirconium minerals are often associated with other minerals in the mining, because the bricks are basically burned under more than 1 thousand degree. But some of the bricks contain heavy metal elements chromium. Some of the brick contains zirconium, the vast majority are very safe, and heavy metal elements have a certain toxicity, there are many kinds of refractory bricks that the nature is very stable, and the associated minerals are generally radioactive

Q: does all the refractory refer to refractory bricks when making steel?: Not only are refractory bricks, and shapeless refractory material; blowing agents, drainage sand, and oxygen are all metallurgical auxiliary materials.

Q: Why do some people say that clay brick insulation effect is good, and some people say that bad, in the end what is right?: Now is the best thermal insulation hollow powder briquette, because it is hollow, blocking the heat transfer, plus foam insulation on the outside, good insulation effect,

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