Best Quality Natural Flake Graphite Products

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Qingdao
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TT OR LC
Min Order Qty:
500 m.t.
Supply Capability:
1000 m.t./month

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Product Description:

Specifications

F.C:80%min-98%min Size:+80mesh,+100mesh,-100mesh.

1. Description & Application

    Widely applied to high quality fire resistance material and coating of metallurgy industry,hot working

    material stabilizer of military industry,lead of light industry,carbon brush of electrical industry,electrode of

    battery industry,and catalyzer and additive of fertilizer industry.After further process,scale graphite can be

    made into the following high-tech products such as graphite colloidal graphite,graphite compacting material

    and composite material,graphite products,and graphite anti-friction additive,which are becoming important

    nonmetal mineral materials in every industry.

2. Technical Specification


    

ITEM

F.C %(min)

V.M %(max)

ASH %(max)

MOISTURE

%(max)

SIZE

-198

98

1.0

1.0

0.5

-100mesh

+198

98

1.0

1.0

0.5

+100mesh

-197

97

1.2

1.8

0.5

-100mesh

+197

97

1.2

1.8

0.5

+100mesh

-196

96

1.2

2.8

0.5

-100mesh

+196

96

1.2

2.8

0.5

+100mesh

-195

95

1.2

3.8

0.5

-100mesh

+195

95

1.2

3.8

0.5

+100mesh

-194

94

1.2

4.8

0.5

-100mesh

+194

94

1.2

4.8

0.5

+100mesh

-193

93

1.5

5.5

0.5

-100mesh

+193

93

1.5

5.5

0.5

+100mesh

-192

92

1.5

6.5

0.5

-100mesh

+192

92

1.5

6.5

0.5

+100mesh

-190

90

2.0

8.0

0.5

-100mesh

+190

90

2.0

8.0

0.5

+100mesh

-185

85

2.5

12.5

0.5

-100mesh

+185

85

2.5

12.5

0.5

+100mesh

-180

80

3.0

17.0

1

-100mesh

+180

80

3.0

17.0

1

+100mesh

+897

97

1.2

1.8

0.5

+80mesh

+896

96

1.2

2.8

0.5

+80mesh

+895

95

1.2

3.8

0.5

+80mesh

+894

94

1.2

4.8

0.5

+80mesh

+892

92

1.5

6.5

0.5

+80mesh

+890

90

2.0

8.0

0.5

+80mesh

 

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Q:About the use of horseshoe glass kiln refractories
the lower portion of advanced clay brick, the lower portion of magnesia-chrome brick arch - high-purity silica brick; flue - clay brick; breast wall--33 # fused zirconia corundum brick (with shrinkage); fused zirconia bottom --33 # fused zirconia corundum brick (with shrinkage); regenerative chamber- the upper part of sintered magnesia-chrome brick, cooling section 33 # electric smelting no shrinkage fused zirconia corundum brick; the wall - the melting section 41 # no shrinkage fused zirconia corundum brick (including 41% of zirconium; the lattice- superstructure of high purity magnesia brick, the same below); small stove --33 # fused zirconia corundum brick (with shrinkage). It can be said that it is the maximum configuration, if the funds is limited it can be downshift appropriately.
Q:which kind of material should be used in fireproofing cabinet?
Here are a few good materials: 1. The mineral wool board, glass wool board: it mainly tales mineral wool, glass wool as insulation materials. It's non-combustible, light weight and has good high temperature resistance, but there are shortcomings ① short fiber will harm the human respiratory system, ② poor sheet strength, ③ poor barrier property of sheet for smoke of fire disaster, ④ poor decorative properity, ⑤large installment and construction work. Thus, most of the boards were sheets that take inorganic anchoring material as base material, glass wool as reinforcing material. 2. cement board: Cement board has high strength and wide sources. It is often used in fireproof suspended ceiling and partition in the past, but it has poor fire resistance and is easy to burst and lose protective function , which will limit it's applications. Cement concrete component has good thermal insulation and sound insulation properties, and it can be used as partition and roof board. Fiber reinforced cement board and other improved varieties appear in the construction materials market, and they are high strength and have good fire resistance, but their disadvantages are poor toughness, large alkalinity and poor decoration effect. 3. perlite board, cenosphere board, vermiculite board: It's a kind of hollow plate that takes low alkalinity cement as base material, perlite, glass beads, vermiculite as the aerated filling material, and is made by adding some auxiliary. It has characteristics of light weight, high strength, good toughness, fireproofing and thermal insulation, easy for construction,etc. and it can be widely used in high-rise building frame compartment, household, bathroom, kitchen, communication pipe and other non-load bearing areas.
Q:How to distinguish the fire rating of rubber and plastic thermal insulation material?
According to GB 8624-2006 "building materials and combustion products classification", the division of the material's combustion performance grade is changed from five levels of level A (homogeneous material), A (composite sandwich material), B1, B2 and B3 to seven levels of A1 , A2, B, C, D, E and F or A1f1, A2f1, Bf1, Cf1, Df1, ef1 and Ff1 or A1L, A2L, BL, CL, DL, EL and FL . The level B1 rubber and plastic fireproof and thermal inuslation matertial is the best, but the most commonly used one is level B2. Hope it will help you.
Q:What are the requirements for the performance of refractory materials?
Performance requirements for electric furnace lining refractory: 1, sufficient refractoriness and softening point. Because of eletric arc, the inner surface temperature of lining can be as high as 1500 to 1800 degree. 2, strong resistance to slag. Because the dust penetrate into the furnace through pore lining, and the refractory material subject to loss, leading to spalling. 3, good thermal and shock resistance. Because during steelmaking, opening door and lifting of the furnace will lead to sudden changes in the temperature of the furnace lining refractory material, so spalling and cracking may occur, damaging the lining premature. 4, enough strength, because the lining is impact during charging, tilted when vibration,and eroded by metal, slag and airflow. 5, the thermal conductivity shall be small, and the conductivity shall be low. The commonly used furnace refractories are dolomite brick, magnesia brick, high alumina brick, silica brick and magnesia ramming etc.. Because of different working conditions of the various parts of the furnace, the refractory materials are not the same.
Q:What is molten silicon? What refractoriness do refractories made by it have? What properties of using does it have?
Molten silicon can be called quartz glass, which shows an amorphous silicon state. It is a liquid fusion at above 1723 degree and is an ultra-cooling state at low temperatures. It is not generated in refractories, but generated in the matrix, showing liquid state at a high temperature capable of buffering the stress with somewhat binding properties. If quartz glass is used as refractory, its function are melrly these ones. (These are what I konw for reference only.)
Q:What advantage and disadvantages it has compared to common fire insulation materials
Main advantage of A-level fire proof heat retaining plate is A-level non-conbustibility. Now residential areas strictly require the external walls to be high-level fire proof, to be specific, high fire resistance, non combustible. Standards for evaluation varies according to different types, which includes anti-corrosion, acid and alkali resistance, waterproof, anti termites and so on. Disadvantage is the insulation effect is quite ordinary. It will absorb water, get deformed, need some water prevention measures after constrcuting thermal insulating layer for it. Its thermal conductivity far below the benzene plate, and plastic extruded palte, half the thickness of the polyurethane insulation layer can reach heat perservation effectiveness of the benzene plate and extruded plate of the same thickness.
Q:which is better as household fireproof material ?
the thickness recommended is 1mm or more # 304 stainless steel plate, refractory corrosion-resistant, easy to clean. It now appears that among the most common fireproof material, asbestos is the best. But the asbestos harmful effect is also great, especially for lung damage. Now on the market, the polyurethane, polystyrene, rock wool glass wool, phephenolic aldehyde fireproofingthermal insulation board. But now the phenolic aldehyde fireproofing thermal insulation board has superior performance! phenolic aldehyde containing only carbon, hydrogen and oxygen atoms, when subjected to pyrolysis, except small amounts of CO gas, the other will not produce toxic gases, maximum smoke density is 5.0%.
Q:How many kinds of fireproof materials are there in the market?
Inorganic insulation materials basically can achieve the goal, such as glass wool, rock wool, and foam glass. The phenolic foam in the organic foam material is special. Phenolic foam is not only good at insulation, but also good at compounding with steel and other materials to achieve A-level performance, and the A-level insulation materials are: rock(ore) wool, foam glass and inorganic thermal insulation mortar. Insulation materials with B1 combustibility mainly are: Phenolics, polystyrene granules, etc. The insulation materials of fire barrier zone can use such A-level materials as rock (ore) wool, foam glass, and inorganic thermal insulation mortar, etc.
Q:What is neutral refractory? Can refractory suppliers tell the main components of it?
The material using Al2O3, clay, bauxite and corundum as the main components is neutral material; the material using MgO and CaO as the main components is basic material; the material using SiO2 as th emain component is acidic material.
Q:What are the differences of ceramics and refractories? Is the ceramics belonging to refractories?
No In the high school chemistry, the former is talking about the traditional inorganic material, the latter is belonged to the new materials.

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