Dead-burned Magnesiten Dead Burnt Magnesite

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Tianjin
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Min Order Qty:
300 m.t
Supply Capability:
50000 m.t/month

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Product Description:

Dead-burned Magnesiten Dead Burnt Magnesite


Specifications:


1.High purity Large crystal grain Compact structure 
2.Strong resistance to slag material 
3.Good thermal shock resistance

Dead-burned Magnesiten Dead Burnt Magnesite

Dead-burned Magnesiten Dead Burnt Magnesite


Magnesium Oxide is used in a number of   industrial applications including:

Abrasives

As a binder in grinding wheels

Animal   feed supplement

Source of magnesium ions for chickens,   cattle and

other animals

Boiler   (oil-fired) additives

Material that is easily removed; reduced   corrosion of

steel pipes holding   steam as well as sulfur emissions

into the environment

Boiler   feedwater treatment

Reduces iron, silica and solids

Chemicals

Starting point for the production of other   magnesium

salts such as sulfate and nitrate

Coatings

Pigment extender in paint and varnish

Construction

Basic ingredient of oxychloride cements   used for

flooring, wallboard, fiber board, and tile

Electrical

Semi-conductors; heating elements   insulating filler

between wire and outer sheath

Fertilizers

Source of essential magnesium for plant   nutrition

Foundries

Catalyst and water acceptor in shell   molding

Glass   manufacture

Ingredient for specialty, scientific and   decorative

glassware and fiberglass

Insulation

Light, flexible mats for insulating pipes

Lubricating   oils

Additive to neutralize acids

Pharmaceuticals

Special grades of magnesium hydroxide,   oxide and

carbonate are used in antacids, cosmetics,   toothpaste,

and   ointments

Plastics   manufacture

Filler, acid acceptor, thickener catalyst   and pigment

extender

Refractory   and ceramics

Basic ingredient in product formulations   for the stee

industry

Rubber   compounding

Filler, acid acceptor, anti-scorch   ingredient, curing aid,

pigment

Steel   industry

Annealing process; coating for grain-oriented   silicon

steel used in electrical transformers

Sugar   refining

Reduces scale build-up when used in juice   clarification

and precipitation

Sulfite   wood pulping

Source of base for cooking liquors

Uranium,   gallium & boron

Precipitation initiator by acid   neutralization processing

Wastewater   treatment

Acid stream neutralizer; precipitates heavy   metals

Our Lab

Dead-burned Magnesiten Dead Burnt Magnesite

Our Service:

 

  • Large production capacity(20000-tons per month) ensure the fast production cycle after confirmed the order.

  • Produce the products according to clients' requirements.

  • Professional Packing,Avoid damage;Competitive Price,Make the products competitive in your market.

  • Provide 24 hours'consultation service.We are ready to answer our consultations at any time.




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Q:What are the electrical fire protection materials?
Electrical fire protection materials are the following: 1, fire proof board It is the most commonly used materials in the market, which has the advantages of fire prevention, moisture, abrasion, oil, easiness to clean, and more varieties of colors. Installed in the building exit corridors, stairs and corridors, such as fire ceiling ceiling, it can ensure that people can be evacuated safely, and to protect people from the spread of the fire. 2, fire proof door, fire proof door is divided into wooden fire door, steel fire door and stainless steel fire door. Fire proof doors are usually used for the opening of the firewall, the entrance of the staircase, the evacuation of the aisle, the openings and other parts of the pipeline, the fire prevention, playing an important role in reducing the loss of fire. 3, fire shutter It can be set in the location where it is not convient to install a fire proof wall, fire shutter generally has functions such as good fire resistance, heat insulation, smoke, compression, anti aging, wear and corrosion. 4, fireproof and mothproof wood fire wood moth is made by putting ordinary wood into the solution containing calcium and aluminum, and then into the solution containing phosphate and silicate. In this way, two ion will be undergong chemical reaction in the wood, forming materials similar to the ceramic, and filling the gap of cells and tissues, so that allowing it to have fireproof and mothproof performance.
Q:What are the models of bauxite with high alumina?
China Ferrous Metal Industry Corporation released the industry standard of bauxite (YS / T78-94) in 1994. According to this standard, bauxite can be divided to sedimentary diaspore, stacked type diaspore and lateritic gibbsite. According to the chemical composition, it can be divided into nine trade marks as LK12-70, LK8-65, LK5- 60, LK3-53, LK15-60, LK11-55, LK8-50, LK7-50 and LK3-40. In addition to the provisions of chemical composition of bauxite, the standard also requires that the water of sedimentary diaspore shall not exceed 7% and water of stacked type diaspore and lateritic gibbsite shall not exceed 8%. Moreover, particle size of bauxite should be not greater than 150mm. Bauxite shall not be mixed with clay, limestone and other debris.
Q:What's the B grade fireproofing material?
B1 grade ceiling material: gypsum board, fobrous plasterboard, cement particle board, mineral wool decorative acoustic panels, glass wool decorative acoustic board, perlite decorative acoustic board, flame retardant plywood, flame retardant medium density fiberboard, rock wool decorative sheet, flame retardant wood, aluminum foil composites, flame retardant phenolic laminate, aluminum foil glass fiber reinforced plastic composite material, etc.; B1 grade wall material: gypsum board, fibrous plasterboard, cement particle board, mineral wool board, glass wool board, perlite board, flame retardant plywood and medium density fiberboard, fireproof plastic decorative sheet, nonflammable double-sided particle board, multicolor coating, flame retardant wallpaper and wall cloth, flame retardant simulated granite decorative plates, magnesium oxychloride cement prefabricated wall panels, flame retardant glass fiber reinforced plastic plates, PVC plastic clapboards, high-strength and lightweight composite wallboards, fire-retardant molded wooden composite boards, flame retardant colored artificial boards, nonflammable glass fiber reinforced plastics, etc.
Q:What's the refractoriness and how to measure the refractoriness?
Bottom each side length is 8 mm and upper side length is 2 mm. Under a certain temperature-rising speed, when heating, refractory's resistance to high temperature from melting is called refractoriness. The properties of cross section into an equilateral triangle and height is 30 mm. When it bends down until the vertex and chassis contact temperature is the refractoriness of sample. It bends due to the influence of its weight. Make the will-measured material into standard pyrometric cone.
Q:What are the main materials in concrete fireproofing material?
fireproofing materials mainly consist of class A incombustible material and class B1 nonflammable material. Class A incombustible material: Granite, marble, terrazzo, cement products, concrete products, gypsum board, lime products, clay products, glass, tiles, mosaics, steel, aluminum, copper alloy; class B1 nonflammable material: Ceiling materials, dry wall, fibrous plaster.
Q:How long is the fire endurance of fire resistant rolling shutter door?
According to the requirements of Building Regulations 7.5.1 article,the fire endurance of class A fire resistant rolling shutter door should be no less than three hours.
Q:What are fire resistant level standards of class A fire resistant door?
Grade standards: class A fire resistant door is an important part of fire-fighting apparatus, and an important step in the social fireproof work. The quality and use of class A fire resistant door is closely related to the success or failure of the fireproof work.. There are steel and wood for class A fire resistant door materials. Only those whose fire endurance is no less than 1.5h can be called class A fire resistant door. In general, the class A fire resistant door internal material is perlite, and still some are vermiculite fireproof board, foam core board, MCcomposite materials, and other fireproofing materials. The thickness of class A fire resistant door is usually 50mm. In places where there is strict requirements for fireproof performance, class A fire resistant door is often installed.
Q:Who knows how many poured refactory material are there?
Casting refractory material, refractory material used often are AZS brick, corundum brick, direct bonding magnesia chrome brick, silicon carbide, silicon nitride bonded silicon carbide brick, nitrides, silicides, sulfide, boride, carbide and other non oxide refractory materials; calcium oxide, chromium oxide, aluminum oxide, magnesium oxide, beryllium oxide and other refractory materials.
Q:Graphite and other carbon materials may be oxidized to CO or CO2 at high temperatures. But why can they be refractories?
There is no contradiction for this. Any substance can be combustible, but different materials have different ignition points.There are many types of graphite. Pyrolytic graphite has a much lower ignition point. Therefore, as long as it reaches at a certain temperature, it can convert into graphite. Mostly, in practical applications (such as brake pads will add a certain amount of graphite), graphite is required to have refractoriness of below 1000 ℃. Graphite can serves as both the combustible and refractory material. So, it can be used as a fire-resistant and high-temperature-resisrant material because graphite (lamellar graphite) has a ignition point of at least 3000 degrees in an oxygen free condition. The above information is for reference only and is offered by Xin Ruida Graphite Company.
Q:how long is the fire endurance of plasterboard?
fireproof endurance can reach a maximum of 4hours, suitable for a variety of public buildings firewall, and partitions for public exit passageway, reaching standard level of fireproof. the lightweight partition made of gypsum board and steel stud is mainly for dividing architecture space. Rock wool can be filled in the mddle according to its design requirements, using different series of gypsum board, steel stud. the walls may have fire resistance and sound insulation property of various degrees.

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