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.

 

    3.Specification

 

 

%

Carbon

 

%

Volatile

 

%

Moisture

PH

 

Mesh

%

Particle size

Grades

KP32

85-99.9

13

1

200-400

3-8

32

up≥

80

KP50

150-300

50

KP80

100-200

80

KP100

100-130

100

KP-100

50-150

-100

under≥

80

KP-200

50-150

-200

4.FAQ

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

 

 

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Q:What is the simple test method for graphite powder used in casting?
Now the domestic inspection method of carburizing agent is the national standard of coal inspection method, the specific test of carbon content, volatile content, moisture, ash, sulfur and so on. The easiest way is to draw on the paper, drawing trace smooth, obvious is not obvious graphite products, may be coal or petroleum coke graphite the powder
Q:Antistatic concrete with graphite powder and conductive carbon black, which effect is good?More specific. I don't quite understand
The better conductivity is graphitized carbon, the higher the degree of graphitization, the better the conductivity. In general, the conductivity of graphite is better than that of black carbon (both of which are of high purity, if not of high purity).
Q:The graphite powder production process and the graphite production process are introduced briefly Graphite powder production process, graphite production process, detailed technical parameters where?
In the process of crushing, the external force applied to the solid has four kinds of rolling, shearing, impact and grinding.
Q:Does anyone know how to change graphite powder into graphite?! What kind of equipment do you need?!
If the isostatic graphite is made by isostatic pressing equipment, it can be divided into cooling method and hot isostatic pressing method. The machine needs import and it is expensive. The basic is to squeeze into a square or cylindrical powder.
Q:Are sand and particle powders used for casting quartz sand? Detailed and accurate.
Not necessarily. It depends on what product you make to determine what sand or powder you use
Q:How do you use graphite powder in copper?
It is to drill holes on the copper block and pour the graphite into the hole to ensure that the stone toner can not run out and play the role of oil-free lubrication
Q:How to measure the conductivity of powdered graphite?
The conductivity of conductive graphite powder was measured by resin methodTo buy some conductive paint resin, add the same amount of conductive graphite powder, and then coated on a board, with digital multimeter to measure its conductivity on the list.
Q:What companies use graphite powder, graphite particles, graphite ball, silicon carbide alloy ball?
Iron and steel foundry enterprises, because graphite is a component of carbon, metal inside need to adjust the metal composition, need carbon and silicon to adjust, so will use more.
Q:Does graphite allow lubrication of rusted doors?
Sure。 When we were young, the teacher reminded us that we could use the pencil core to scrape the end and put it into the keyhole to lubricate it.
Q:What is the use of flake graphite in making flake graphite powder?
Flake graphite powder: natural crystalline graphite, the shape of fish like phosphorus, is a six party crystal system, layered structure, with good resistance to high temperature, conductive, heat conduction, lubrication, plasticity and acid and alkali resistance.

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