Raw Materials for Refractory Graphite Steel Ladle Slide Gate Plate

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Loading Port:: Qingdao

Payment Terms:: TT OR LC

Min Order Qty:: 500 m.t.

Supply Capability:: 10000 m.t./month

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Specifications

1.ISO9001:2008
2.Types:Al-C,Al-Zr-C
3.Average life: 6times
4.High strength,good corrosion and thermal shock resistance

Slide gate plate widely used in large ladle, middle ladle and small ladle to fit for high quality steel casting.

And including Alumina carbon and Alumina Zirconia Carbon slide gate plate, MgO and MgO-spinel slide gate plate,nonoxides bonding slide gate plateand unburned slide gate plate

ITEM	Al2O3-C slide gate				Al-Zr-C slide gate	Magnesia slide gate
ITEM	LTH-68	LTH-72	LTH-78	LTH-85	Al-Zr-C slide gate	Magnesia slide gate
Al2O3 ,% ≥	68	72	78	85	72	8
ZrO2 ,% ≥					6	MgO≥80
C ,% ≥	7	7	7	5	7
Apparent Porosity ≤	8	8	10	10	8	10
Cold Crushing strength Mpa≥	80	90	100	120	120	50
Bulk Density g/cm3 ≥	2.70	2.80	2.90	3.00	3.00	2.95
HMOR(1400°C×0.5h) ≥	8	9	12	13	13	6

Features

1.good workability
2.good resistance to chemical attack
3.high bonding strength
4.low drying and firing shrinkages
5.good slag resistance, small masonry ash joints

Q:Refractory materials are needed for casting metallurgy.: Refractory material used in foundry work is that refractories for cupola furnace? Cupola is a high temperature furnace which is used for melting molten iron, and refractory material adopted is mainly low iron high grade clay brick and clay lightweight insulation bricks, etc.foundry ingot refractory material is pearl sand (also known as pearl jewelry sand, fused ceramic, ceramic sand) it is made of high quality bauxite material by arc melting furnace.

Q:How to deiron refractory?: Deironing refractory can take physical methods into consideration, such as magnetic?separation, reselection, etc. And it can also take chemical methods, such as flotation.

Q:What refractories have good mechanical property resistance and heat expansion and cold contraction property?: Aluminium oxide ceramics. I would like to know that what kinds of refractory materials can combine together and what kind of masonry way can be used for these materials so as to achieve the perfect combination.

Q:Can the teflon material resist fire?: It is belonged to the fire retardant materials. By UL-V0 grade

Q:what is steel fire door made of ?: 1. fire resistance steel door has steel made door frames, door leaf framework and door panels. if the door leaf is filled with nontoxic fire insulation material, added with fireproof hardware accessories, which consists of a door that is fire resistance. 2. Category 1)safety facilities to prevent underground building from fire expansion and control volatilation. It is usually divided into steel and wooden fire door. 2) Class A fire doors, fire endurance of 1.5 hours; B fire doors, fire endurance of 1.0 hours; Class C fire doors, fire endurance of 0.5 hours. 3) In fact, there are many types of fire doors. For example, there are wooden made fire doors glass fire doors and steel fire doors based on different materials. access control fire doors, entrance fire resistance door, interior fire doors, explosionproof and fireproof door, quick-lock fireproof doors, quick opening door encountered with fire and multi-functional fire doors. 4) Based on the installation location: External fire doors and built-in fire doors. 5) divided by technology: Electronic fire doors.

Q:what are the requirements of fireproofing material?: The producing process of fire and moth proof wood: firstly, put general wooden materials into solution with calcium, aluminum and other cations, then soak it into the solution with phosphate radical, silicate and other anions. Thus, the two ions will be carried out chemical reaction in the wood, forming a ceramic-like material, and intimately fill the voids of cells, so that the wood has the fireproofing and mothproof properties.

Q:How many refractory materials does the annual output of 1 million tons of coke oven require?: The production of dense synthetic Magnesium Oxide requires many steps, briefly summarized as follows:(1) Mgcl2+Ca, Mg (OH) 2, =Mg (OH) 2+CaCl2Sea salt or brine, dolomite, magnesium hydroxide, residual salt(2) Mg (OH) 2 Mg0 (low density);(3) MgO, Mgo (compact)The resulting compact Magnesium Oxide generally has a purity of up to 95%-99%, depending on the manufacturing process and the final application requirements. As shown above, Magnesium Oxide can be obtained from sea water and slaked lime. The density of the final product is through the high temperature roasting in shaft furnace and the large area obtained by calcination, and the mechanical compaction. Through the pre sintered refractory material to fundamentally eliminate the permanent contraction or extension is extremely important, it is obviously, because we cannot expect excessive contraction or extension in the use of the materials can be used to store the proper degree of molten metal or slag. The production of magnesium oxygen throughout the world (Fang Meishi) large factories in the United States, Michigan by brine well production, and by the sea water production Magnesium Oxide factory is located in Florida, Texas, California and Maryland.

Q:How long is the fire resistance time of the AAAfire resistance rolling shutter door?: How long is the fire resistance time of the AAA fire resistance rolling shutter door?

Q:what kind of fireproof materials is used for high rise buildings?: steel is recommended As a form of high-rise building structure, steel is widely used especially in the ultra-high-rise and long span construction showing strong vitality, for its high strength, light weight, and good extensibility, resistance to shock and short construction period. The mechanical strength of steel decreases with rising temperature at about 5000 ℃, decreasing about 40%-50%. the mechanical properties of steel, such as yield points, compressive strength, elastic modulus, and load capabilities have declined rapidly , quickly losing their ability to support, leading to building collapse. Therefore, it is imperative to protect steel structures. Brushing or spraying the coating on the surface of steel structure to prevent burning and insulate heat. It also prevents undermining the rolled steel from rapid temperature elevation and avoid collapse of building for lose of supporting capacities.

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