Caustic Calcined Magnesite Mgo

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Product Description:

Specifications

Caustic Calcined Magnesite
a. mgo : 60-95%
b. size:120-400mesh
c. packing: 50kg 1000kg

Product application:

Widely used in metallurgy, building materials, chemical industry, national defense, scientific research, aerospace,, medical equipment components in areas such as household appliance

MgO%

min

SiO2%

max

CaO%

max

Fe2O3%

max

Al2O3%

max

L.O.I.

max

Size

97

0.4

1.0

0.6

0.2

1.0

120-400mesh

96

0.5

1.5

0.8

0.3

1.5

120-400mesh

95

1.0

1.5

0.8

0.3

3.0

120-400mesh

94

1.5

1.5

0.8

0.3

3.5

120-400mesh

92

3.0

2.0

0.8

0.3

5.0

120-400mesh

90

4.0

2.5

0.8

0.3

6.0

120-400mesh

85

5.0

3.0

0.8

0.3

8.0

120-400mesh

80

7.0

4.0

0.8

0.3

9.0

120-400mesh

Caustic Calcined Magnesite  is produced in the Rotary Kiln by sintering raw magnesite at a controlled temperature of 1750 degree centigrade and its chemically inactive. Dead Burnt Magnesite is consume almost exclusively in the production of Refractory Field.

Dead Burnt Magnesia Uses:
1.  Refractory Industry for manufacture of Basic Refractory Bricks
2.  Manufacture of Ramming Mass composition, Fettling material and Magnesite Mortar
3.  It is used in SLAG beneficialness and in SLAG splashing in Arc Furnaces
4.  It is also used as a coating material in Steel Industry.  

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Q:I wanna ask about the building insulation materials fire rating?
the classfication of building insulation materials fire rating: 1. The thermal insulation material of level A combustion performance: Rock wool, glass wool, foam glass, foamed ceramics, foam cement, hole-closed perlite, etc. 2. combustion performance is level B1 insulation materials: Extruded polystyrene board (XPS) after special treatment / Special treatment of polyurethane (PU), phenolic aldehyde and gelatine powder polyphenyl granule 3, combustion performance is level B2 insulation material: Molded polystyrene board (EPS), extruded polystyrene board (XPS), polyurethane (PU), polyethylene (PE), etc.
Q:What's the classification of refractory material?
Magnesium aluminum is complex and mainly seeing what classification standard is like according to the appearance shape can be divided into two categories, setting and not setting according to the acid alkali can be divided into acidic, magnesia, high aluminum, ramming expected, spinel, spray coating, plastic, just the quality of the jade, daub material according to the chemical composition is divided into, such as clay, neutral and alkaline according to the operation mode can be divided into different castable, magnesium, calcium, magnesium chrome
Q:what is the requirements of roofing insulation materials fire rating?
The fireproofing requirements of architectural design are regulated by architectural design fire safety rules, roofing insulation material only has the requirements of materials combustion performance, namely non-combustible material. No fire rating requirements.
Q:What are the requirements of refractory temperature of refractory brick?
Refractory brick, called refractory brick for short, is refractory material made by firing refractory clay or other refractory raw materials. Faint yellow or brownish, it is mainly used in building smelting furnace. It can resist 1,580 ℃ -1,770 ℃ high temperature.
Q:what's the varieties of fire-proof sealing material?
Fire blocking material currently on the market include: fire stopping board, foam blocking material, flame resisting module, fire-resisting sealant, flexible organic caulking, WXY-II and fire retardant bag, etc. fire-proof sealing material is widely used in building construction and can ensure high-temperature flame and smoke from fires not spread to another fire compartment, different buildings generally use different sealing methods. Pipeline is generaly sealed by pouring concrete board or mortar.
Q:what is the original materials of fireproof coating?
Fire retardant coating is composed of the base materials (that is film forming substance), pigments, ordinary coating additives, fire retardant agent and dispersion medium.
Q:What do we mean by saying that a ladle cover knots, elbow knots, blowpipe knots in refractory materials? What is the “knot”?
A less accurate view of the statement is probably the meaning of the “construction of refractory material" , for example, pouring castable can be called “knot”, the pounding of the construction can also be said that, so it is with spraying paint.
Q:Fire insulation and fireproof insulation board materials What is the difference in performance?
Fireproof materials and insulation materials, refractories not the same thing, but some insulation materials are fire resistant and refractory. Fireproof material is a synthetic material characteristics of fire resistance or the material itself is a high temperature resistant, flame-retardant. Fireproof materials are mostly used for construction, playing an important role in fireproof today in various forms.
Q:Does anyone know about the classification standards of B2-level fireproof and thermal insulation materials?
The fire-resistant differences of B1- and B2-level extruded insulation boards are as follow: B1-level materials will be smothered as soon as staying away from fire, namely, they will be extinguished after leaving fire, or be put out in 10 seconds. B2-level materials will be in low-grade combustion, namely, the fire will not get wilder, and drippings will not ignite the filter paper. I hope my answer can help you!
Q:Who can introduce the external wall thermal insulation materials fire rating regulations?
1. The thermal insulation material of level A combustion performance: Rock wool, glass wool, foam glass, foamed ceramics, foam cement, hole-closed perlite, etc. 2. combustion performance is level B1 insulation materials: Extruded polystyrene board (XPS) after special treatment / Special treatment of polyurethane (PU), phenolic aldehyde and gelatine powder polyphenyl granule 3 combustion performance is level B2 insulation material: Molding polystyrene board (EPS), extruded polystyrene board (XPS), polyurethane (PU), polyethylene (PE), etc. See the 2009 edition construction technical measures 4.3.6 Level A insulation material is only for fireproofing, but its thermal insulation performance is not better than organic XPS \\ EPS and other materials. I feel the best insulation materials should be modified phenolic board, which can keep insulation and fireproofing, but the unit price is very expensive. Insulation materials in the domestic market have some disadvantages, it is better to considere the materials within the acceptable range in the building needs.

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