micro powder graphite,fine graphite powder
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High carbon graphite powder
High carbon graphite powder is a manufactured product made by high-temperature treatment of amorphous carbon materials. In our manufacturing plants, the primary feedstock used for making artificial graphite powder is calcined petroleum coke and coal tar pitch, both of which are composed of highly graphitizable forms of carbon.
The manufacturing process consists of various mixing, molding, and baking operations followed by heat-treating to temperatures between 2500 C and 3000 C. The ultra-high heat treatment temperature is required to drive the solid/solid, amorphous carbon-to-graphite phase transformation. The morphology of most artificial graphitepowder varies from flakey in fine powders to irregular grains and needles in coarser products.Artificial graphite powder is processed at ultra-high temperatures, and impurities contained in the precursor carbons are significantly reduced in concentration during processing. This occurs as a result of the high temperature vaporization of volatile impurities, which at the process temperatures utilized includes most metal oxides, sulfur, nitrogen, hydrogen, and all organic components that were part of the original petroleum or coal tar pitch.
As a result of this thermal treatment, virtually all artificial graphite products are high purity. Artificial graphite is available in particle sizes from 2-micrometer powders to 2 cm pieces. Purities are typically 99+% carbons.Artificial graphite is used in many applications including but not limited to friction, foundry, electrical carbons, fuel cell bi-polar plates, coatings, electrolytic processes, corrosion products, conductive fillers, rubber and plastic compounds, and drilling applications.
high carbon high pure artificial graphite powder
Use: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.
Features
- High carbon contain (99% and above)
- Low ash and sulfur contain
- Reduce needs for expensive melt additives.
- Increased dissolution rate over anthracite blends
- Reduces slagging time, labor and disposal costs.
- Extends the life of the furnace lining, reduce maintenance cost and increase production yield.
Application
- Used in metallurgy industries as carbon additive
- Lubricant for industries use
- Production of fuel cell, bi-polar plates, coating.
- Used in electrolytic processes, corrosion products, conductive filler, rubber and plastic compound.
- Q:Why is the battery electrolyte more potassium hydroxide and sodium hydroxide is less used?
- When the ambient temperature is low, the potassium hydroxide solution is used at a density of 1.19 to 1.21 (15 DEG C).
- Q:Will dust explosion occur in graphite dust? If you have definite or negative judgment, please share it according to data.
- Any object that is crushed will have a surface energy (internal energy), but the temperature will not increase, so the specific heat will become largerFuel burns because its energy is already full (reaching a point of fire)When the object reaches the ignition point, internal energy = (ignition +273.15) * specific heat capacity
- Q:Main ingredients of graphite powder?
- These impurities often appear in quartz, pyrite, carbonate and other minerals.
- Q:Why is there a range of electrode powder powder resistivity? The reasons for the high and low are not good.
- Powder resistivity tester, the sample broken to 0.3 ~ 0.5mm, into the powder resistivity instrument insulation sleeve, the tube diameter of 16.3mm, in the bushing into the sample.
- Q:Can graphite powder be used as a carburizing agent?
- Basically can be, but to look at your purity, if many impurities can not be used if the carburant is a general term, is all can increase the carbon content of the material referred to a molten iron, graphite powder is then dust too much, when the operation is not clean, too small it is easy to burn and water oxidation, not good,
- Q:Does anyone know how to change graphite powder into graphite?! What kind of equipment do you need?!
- As for the equipment used, there are many, and the price is also high, light an oil press will not be possible, there are dipping pot, baking furnace, etc., at least tens of millions of it.
- Q:How to measure the conductivity of powdered graphite?
- Some other factors for measuring the resistivity of conductive graphite powderConductivity varies with external factors and is sensitive. The early microphones were made with graphite powder, because the vibration of the voice changed the electrical conductivity between the graphite powders and changed the current to produce analog signals. One can imagine that you need to test his electrical conductivity for the experimental environment.
- Q:For thermal grease skills, the more detailed the better
- If the fins and the metal cover of the CPU are as smooth as mirrors, they will be 100 percent fully exposed to the best thermal conductivity.
- Q:What is the ratio of the coated sand to the graphite powder? How to improve the refractoriness of precoated sand
- In addition to improve the refractoriness with graphite, can also add red. It also plays a role in increasing refractoriness and reducing gas output.
- Q:Graphene with graphite powder where to do ah, high carbon content of the?.
- Look at the document, 45 microns will do. Good to buy. Preferably expanded graphite. But then again, if you buy graphite as graphene... The difficulty is not small
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micro powder graphite,fine graphite powder
- Ref Price:
-
- Loading Port:
- Dalian
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 111 m.t./month
OKorder Service Pledge
OKorder Financial Service
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