NFG 895 Crystalline Flake Graphite Powder For Refractories

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Product Description:

Description of Natural Flake Graphite: 

  1. Types: Medium Carbon Graphite.

  2. Specifications: The particle size ranges form 45um-500um (325mesh-35mesh), and the carbon content ranges from 85 to 95%.

  3. Types: High Carbon Graphite.

  4. Specifications: The particle size ranges form 45um-500um (325mesh-35mesh), and the carbon content ranges from 96 to 99%.

 

Specifications of Natural Flake Graphite: 

Particle size (unit: mesh)        Particle size (unit: um)      Fixed carbon content

32mesh                                    560                              85%---99%

1000mesh                                15                                80%---99%

1500mesh                                10                                80%---99%                    

2100mesh                                 6                                 80%---99%

         

Advantages of Natural Flake Graphite: 

  1. Perfect crystallization, thin flake, good flexibility,

  2. excellent chemical and physical properties, superior conductivity,

  3. self-lubricity and resistance to temperature, corrosion and hot shock, and much more.

  4.  

  5. Usage of Natural Flake Graphite: 

  6. Crystalline flake graphite is widely used as an essential nonmetallic mineral in almost all industries.

  7. It can be used as high-quality refractory material or casting coatings in metallurgical industry,

  8. black pencil lead in light industry, carbon brush in electronics industry, electrode in battery industry

  9. and catalyst in chemical fertilizer industry, to name just a few. After being deep processed,

  10. crystalline flake graphite can be used to produce TV tube coatings, graphite friction

  11. reducing additives and many other high-tech products.

 

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Q:It's hard to remove a lot of graphite powder on the glass cake. Who has a good way to remove the graphite powder above?
Graphite is chemically stable (inert), to eliminate it used two methods: one is under the condition of high temperature combustion has sufficient oxygen to remove (heating in a muffle furnace effects are poor), certainly not with the glass bottle; two with hot concentrated sulfuric acid, concentrated nitric acid oxidation to remove heat, if not heating your glass bottle this method, also difficult.
Q:The difference between silicone and silicone?
The characteristics of silicone grease:The application of silicone grease is more widely than silica gel. Many industrial heat places are using thermal grease. Many different types of people and grease, by adding some "impurities" to its thermal conductivity to improve pure thermal grease. These impurities are graphite powder, aluminum powder, copper powder, silver powder and so on. Pure pure silicone is pure white or milky white, the color of the doped graphite grease dark black, doped with aluminum grease some gray shiny, slightly gray is silver, and copper doped grease are yellow or yellow.Now some high-grade thermal grease using silver or aluminum powder as filler, with high thermal conductivity of the metal, but relatively large metal particles, filling effect is poor, the performance increase is not large, but the improper use of conductive grease, easy to cause a short circuit.
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:What are the specifications of the graphite powder used for conduction?
Graphite powder itself is conductive, according to purity, particle size, conductivity is also different
Q:What does composite graphite mean?
It is an ideal sealing material and is widely used in sealing field. Composite graphite is a kind of graphite composite made of graphite powder and rubber plastic and resin. It can increase the conductivity and wear resistance of rubber and plastics, and can be applied in the field of electric conduction.
Q:Know how the colloidal graphite powder comes in
There are two ways to make colloidal graphite: (1) mechanical method. Natural graphite is crushed and treated with hydrochloric acid and hydrofluoric acid to remove impurities. Added to the aqueous solution of tannic acid, which is repeatedly inverted into paste. Colloidal graphite can be obtained by adding a certain proportion of water and ammonia, and then by ultrasonic treatment to further reduce the particle size. (2) chemical method. After being purified and crushed, the natural graphite is added with concentrated nitric acid and concentrated sulfuric acid and water at 90 DEG C, and then obtained by cleaning, drying, adding water, ethanol, acetone and other dispersing agents to obtain colloidal graphite. Add stabilizer such as sodium oleate, sulfate and so on, so that graphite particles do not agglomerate. Ammonia transfers the graphite colloid to the gum solution and regulates the pH value.
Q:Is the graphite electrode broken like graphite, fossil oil, coke and graphite powder?
Graphite electrode pieces in different data definition of graphite scrap is different, some data and literature of the graphite particles are called not great pieces of graphite (such as graphite) and some say that graphite products have a certain size, into a block of graphite broken, we are here to say Shi Mosui is second, often called as the graphite block. The production of graphite from graphite products, graphitization and machining process. Graphite waste used as an additive and as a conductive material in the steelmaking and casting industries.
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:Will dust explosion occur in graphite dust? If you have definite or negative judgment, please share it according to data.
In industrial enterprises, when the dust concentration in the dust producing area is within the scope of explosion, dust explosions can occur if contact with an open flame is waiting for the fire source
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.

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