• Natural Graphite Powder  China Manufacturer System 1
  • Natural Graphite Powder  China Manufacturer System 2
Natural Graphite Powder  China Manufacturer

Natural Graphite Powder China Manufacturer

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
20 m.t.
Supply Capability:
5000 m.t./month

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Graphite Powder

Natural Graphite Powder  China Manufacturer

Specifications:

1) Fixed carbon:90%-99.9%
2) Particle Size:+32mesh,+50mesh,+100mesh,+150mesh
3) Expansion Rate:60ml/g-400ml/g
4)  PH:3-8


Technical Index: The technical data below are available on customers' request.

Name

Granularity

Expansion Times(ml/g)

PH

Value

Volatile

(%)

Moisture

(%)

Carbon content(%)

Sulfur content(%)

Expansion temperature

Ordinary expandable graphite

32mesh

200-400

3-7

≤15

≤1

85-99.5

≤2.5

≥950ºC

50mesh

200-350

3-7

80mesh

150-250

3-7

100mesh

100

3-7

150mesh

100-120

3-7

Ultra-low sulfur expandable graphite

32mesh

200-400

3-7

≤10

≤1

85-99.5

≤0.02

≥950ºC

50mesh

200-350

3-7

80mesh

150-250

3-7

100mesh

100-200

3-7

Expandable Graphite purity

32mesh

200-400

3-7

≤12

≤1

≥99.8

≤2.5

≥950ºC

50mesh

200-350

3-7

80mesh

150-250

3-7

100mesh

100-200

3-7

What we offer?

1.   Graphite powder: flake graphite powder, synthetic graphite, expandable graphite, spherical graphite, amorphous graphite,

2. Graphite sheet

3.  Technical support services for any problem on graphite powder and graphite sheet producing or applications etcs

Why choose us?

1.  Experienced staff; 
2.  High quality with reasonable price;
3.  Complete testing equipment; quality approval ;
4.  Small order accepted;
5.  Quick order processing and timely delivery;
6.  Ethical business practices.

Graphite powder is the powder form of processed graphite ore which appears gray black.
FC: 60%-90%, graphite ore has low sulphur  and high-grade .  
Size:  80 mesh ,100mesh, 150mesh, 200mesh , 250mesh, 280mesh 325mesh , also according to customers'
demand. 
Use: It's mainly used for pencils, batteries, electrical carbon electrode, graphite bearing, casting material, refractory material, dyestuff and lubricating material.
We export our product to Japan, Indian, America, Iran, Syria, German, France and so on.
 

Q:Why is the battery electrolyte more potassium hydroxide and sodium hydroxide is less used?
Anode material of nickel cadmium batteries is a mixture of nickel hydroxide and graphite as anode material, sponge cadmium and cadmium oxide powder powder, the electrolyte is usually sodium hydroxide or potassium hydroxide solution. When ambient temperature is high, use a sodium hydroxide solution with a density of 1.17 to 1.19 (15 C).
Q:Is the graphite powder produced with sulphuric acid?
Not only by crushing crusher can achieve, such as high purity stone toner, expanded graphite by sulfuric acid and other chemical methods for purification, preparation and so on
Q:What companies use graphite powder, graphite particles, graphite ball, silicon carbide alloy ball?
Refractory industry, because of the high temperature resistance of graphite and silicon, it will be applied in refractory industry.
Q:Antistatic concrete with graphite powder and conductive carbon black, which effect is good?More specific. I don't quite understand
But the conductive carbon black in plastic system can achieve better quality with less graphite is because in polymer systems, factors of conducting conductivity in addition to the conductive powder itself, but also with the distribution of conductive particles in the polymer related. The same quality of the carbon black and graphite carbon black, due to a smaller proportion, occupy a large volume fraction of the polymer, is conducive to the formation of conductive network, which was better than the effect of conductive filler graphite.But in the high aggregation state, the conductivity of graphite aggregate is much better than that of carbon black. The good conductive electrode material is made of graphite instead of carbon black.
Q:What is the ratio of the coated sand to the graphite powder? How to improve the refractoriness of precoated sand
Or change the sand species, change the high refractoriness sand species, this cost is relatively large.
Q:What binder does the graphite powder form with?
Image, graphite powder, like flour, in order to make bar shaped, such as face and water, you need to add something. Because of the low activity of graphite powder, a kind of binder is needed. Let the graphite powder stick into shape.
Q:Graphite powder made of graphite oxide, how much weight gain?
The official name of graphite oxide is graphite oxide, or "graphite acid". It is a compound composed of carbon, hydrogen and oxygen elements with different mass ratio. Oxidized graphite can be prepared by treating graphite with a strong oxidizing agent. Of the products obtained, the highest degree of oxidation is a ratio of carbon to oxygen, between 2.1 and 2.9 yellow solid, and still retains the layered structure of graphite, but the structure becomes more complex.
Q:Thermal conductivity and density of graphite powder
For the same type of graphite, the thermal conductivity increases with increasing density, and Figure 11 shows the relation between the density of HDFG and the density of the same graphite.The heat treatment temperature of polycrystalline graphite is mostly made by roasting the semifinished material by high temperature heat treatment. The higher the heat treatment temperature is, the more perfect the crystallite growth is, the La increases, and the thermal conductivity also increases. With calcined petroleum coke and coal tar pitch, roasting sticks made of extrusion, after different heat treatment (HTT), the value of La are shown in Table 4. The axial thermal conductivity will change with temperature is shown in figure 12. The reciprocal of thermal conductivity 1/ lambda is called thermal resistance. At different temperatures, the relationship between the axial thermal resistance of graphite is shown in Figure 13 and l/La / 1/.
Q:What mask should be used to prevent stone powder?
If long-term without protection is inhaled into the lungs, will lead to a lot of precipitation in the lung, which may induce pneumoconiosis (silicosis disease only); in addition, graphite powder is also easy to stimulate the throat and bronchial, cause allergic reactions (asthma). If proper dust control measures are taken, this kind of disease can be avoided.
Q:How many kinds of lubricating graphite powder can be added to the car engine?
1500, the purpose of graphite powder can be added to the car engine, "anti-static graphite powder 1500 mesh."".Application of graphite powder in cooling system (water tank) and lubrication system (engine oil)Graphite powder is greater than 1000, added to the tank inside, rust off, and scale also fell.

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