Expandable Natural Graphite Powder High Quality

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1.Breif Introduction


Graphite /ˈɡræft/, archaically referred to as Plumbago, is a crystalline form of carbon, a semimetal, a native element mineral, and one of the allotropes of carbon. Graphite is the most stable form of carbon under standard conditions.

Therefore, it is used in thermochemistry as the standard state for defining the heat of formation of carbon compounds. Graphite may be considered the highest grade of coal, just above anthracite and alternatively called meta-anthracite, although it is not normally used as fuel because it is difficult to ignite.

The natural graphite using the chemical effect can existing compound inside. Under the high temperature let if decompose in short time then graphite’s volume rise to 100~~400 times.

This is called expandable graphite also called “flexible graphite”.


 2.Main Features

Character: high expandability, porosity, porosity holes, resistant range under the oxygen—free environment is between -200~~3000℃, and it is chemically stable under high temperature, pressure of radiation.

It is widely used in the sealed material, adsorbent material and in the lithium industry.

















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     Q: Can you supply samples for us?
     A: Yes we can send you sample with few quantity



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Q:Can I use super fine stone powder in grease or lubricating oil?
Can be pro, ultra-fine stone toner itself has a lubrication function, in Qingdao Huatai graphite section for grease and lubricating oil, you can look at, do not understand, you can ask me.
Q:What is special graphite powder used in graphene?
Graphene special graphite powder is specially used for the development of graphene, graphene graphene from graphite powder is special in stripping out, universities and research institutions of graphene special graphite powder, graphite powder, graphene special quality of Qingdao Huatai provide very good, have a good reputation among colleges and universities, scientific research institutions in such help, hope to adopt L.
Q:How to measure the conductivity of powdered graphite?
The conductive effect of graphite powder is an important factor in making conductive products, so it is very important to know the conductivity of graphite powder.Graphite powders have high electrical conductivity. And stone toner conductivity is an important factor in graphite powder conductive products. There are many factors affecting the conductivity of conductive graphite powder, such as the proportion of graphite powder, external pressure, humidity of the environment, humidity and even light.
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:Whether the ordinary graphite powder is sprinkled on the electronic instrument can lead to the malfunction of the instrument
Ordinary graphite powder is also conductive, but only strong and weak
Q:What mask should be used to prevent stone powder?
The graphite powder itself is not toxic.
Q:What graphite powder made of graphite products, high hardness?! Wear-resisting! Good moisture! It can be made into graphite products at 100-200 degrees high temperature
Graphite powder and resin mixing, molding, and then "high temperature" curing made graphite products, but the intensity of what will not be very high. Usually graphite products are not prepared directly with graphite powder, but with various kinds of coke, such as asphalt coke, petroleum coke, etc. the graphite products prepared by this method have high strength.
Q:Know how the colloidal graphite powder comes in
Smaller graphite particles are uniformly dispersed in water, oil, and other organic solvents, forming a black, sticky suspension. Also called colloidal graphite or graphite milk.Colloidal graphite was first obtained in nineteenth Century by Acheson. The raw material is natural graphite or artificial graphite.
Q:Sunshine door lock winter treatment
Check the locking gap between the lock body and the locking plate regularly, whether the lock tongue is matched with the height of the locking plate hole or not, the optimum clearance between the door and the door frame is 1.5mm-2.5mm. In case of any change, the position of the door hinge or the lock buckle shall be adjusted. At the same time pay attention to the weather (spring wet, dry in winter) caused by cold contraction, thermal expansion, to ensure that the door and door frame, locking body and the locking plate gap reasonable coordination, in order to ensure the smooth use of locks. When you buy, you can ask the manufacturer directly.
Q:What if the key is inserted in the hole and can not be drawn out?
Don't use the strength to Jin qiao. You can also pour cold water into the hole. It's very useful

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