High purity flake graphite 325 mesh
If the 20th century were the age of silicon, carbon would be one of the fastest-growing and most widely used materials of the 21st century. Lithium battery anode materials, graphene materials, isotropic nuclear graphite, synthetic diamond, flexible graphite, and other advanced carbon are playing an increasingly important role in people's life, production, and military affairs.
High purity graphite refers to graphite powder containing more than 99.9% carbon, high purity graphite of high carbon content, such high purity graphite has good conductivity, lubrication, high-temperature resistance, wear resistance, etc.
High purity graphite is a high purity, fewer impurities. This depends on the complete production process and production equipment.
| Grade |
Fixed Carbon
(%) |
Particle Size
(mesh) |
Moisture
(%) |
PH |
Fluoride
(ppm) |
Chloride
(ppm) |
| HS3299AA |
>99 |
+32 |
<0.5 |
6-8 |
<50 |
<50 |
| HS59998AA |
>99.98 |
+50 |
<0.5 |
6-8 |
<50 |
<50 |
| HS59995AA |
>99.95 |
+50 |
<0.5 |
6-8 |
<50 |
<50 |
| HS599AA |
>99 |
+50 |
<0.5 |
6-8 |
<50 |
<50 |
| HS899AA |
>99 |
+80 |
<0.5 |
6-8 |
<50 |
<50 |
| HS599 |
>99 |
+50 |
<0.5 |
3-6 |
* |
* |
| HS5999 |
>99.9 |
+50 |
<0.5 |
3-6 |
* |
* |
| HS+199AA |
>99 |
+100 |
<0.5 |
6-8 |
<50 |
<50 |
| HS-199AA |
>99 |
-100 |
<0.5 |
6-8 |
<50 |
<50 |
Special properties of graphite
1. Conductivity, thermal conductivity: The conductivity of graphite than the general non - metallic ore 100 times higher. The thermal conductivity exceeds that of steel, iron, lead, and other metallic materials. The thermal conductivity decreases with temperature, and even at very high temperatures, graphite becomes adiabatic. Graphite conducts electricity because each carbon atom in graphite forms only three Covalent bonds with other carbons, each of which remains one free electron to carry the charge.
2. Chemical stability: Graphite in the room temperature has excellent chemical durability, acid resistance, alkali resistance, and resistance to organic solvent corrosion.
3. Thermal shock resistance: Graphite in the room temperature when used to withstand the dramatic changes in temperature without destruction, temperature mutation, the volume of graphite changes little, will not produce cracks
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