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NATURAL GRAPHITE SHEET - 1.0MM

The raw material of natural graphite film comes from natural graphite ore, which is totally different from synthetic graphite.
Its process is that natural graphite ore is crushed, screened, purified, floated, sintered and calendered, with a carbon content of 99~99.6%.

The thermal conductivity of natural graphite film ranges from 150 W/m-K~500 W/m-K, with 1.0~1.7g/cm3 density.
Because of its low cost, natural graphite film is widely used in heat dissipation, such as notebook,
floor heating, liquid crystal television, ship, power battery, lithium battery, new energy automobile, etc.

  • DSN61000

Availability:

Product Description

Product Description


Mineral processing of natural graphite sheet:
 

 


Feature Of Natural Graphite

 

  • Excellent thermal conductivity: up to 500W/m·K

  • Lightweight: specific gravity:  0.9 to 1.7 g/cm3

    (30%  lighter than aluminum, 80% lighter than copper in the same size)

  • Low thermal resistance, 40%  lower than aluminum, 20% lower than copper

  • Low heat resistance with flexible graphite sheet

  • Low repulsion and easy to keep  the product's shape after attaching

  • RoHS, REACH compliant

  • Siloxane Free

  •  


Application:

Flexible graphite products function as a passive heat spreader, heat shield and electric conduction. 

The graphite sheets offer a variety of in-plane thermal conductivity solutions.

The flexible graphite foils can be die-cut, or laminated with plastics and/or adhesives.

Widely used in new energy industry as conducting material or thermal management material

Widely used in metallurgical industry as refractories
Widely used in the electronics industry as the electrode conductive material
Water-resistant lubricating material
Anticorrosion materials in petroleum metallurgical industry
Used in a centrifugal pump and other equipment: make a pump or a seal
Used in an industrial furnace: make industrial furnace parts
The point solution process is used as an electrolytic plate: quality assurance

 


  • High temperature furnace

  • Metal industry

  • Glass refractories

  • Petrochemical industry

  • Automobile industry

  • Mechanical engineering

  • Electric discharge

  • Semiconductor industry

  • Photovoltaic power generation

 

Natural Graphite Sheet Technical Parameters (Thickness and size can be customized)

 

TYPE

DSN60030

DSN60050

DSN60080

DSN60100

DSN60130

DSN60150

Carbon Content

≥99.4%

≥99.4%

≥99.4%

≥99.4%

≥99.4%

≥99.4%

Color

Dark Grey

Dark Grey

Dark Grey

Dark Grey

Dark Grey

Dark Grey

Thickness (mm) 

0.03

0.05

0.08

0.1

0.13

0.15

Thickness Tolerance (mm) 

±0.005

±0.005

±0.01

±0.02

±0.02

±0.03

Density (g/cm³)

1.0~1.5

1.0~1.5

1.0~1.5

1.0~1.5

1.0~1.5

1.0~1.5

Hardness (shore A)

85

85

85

85

85

85

Tensile Strength (MPa) 

≥3

≥3

≥3

≥3

≥3

≥3

Sulfur content (ppm) 

≤1200

≤1200

≤1200

≤1200

≤1200

≤1200

Temperature Range

-40℃ to 400℃

-40℃ to 400℃

-40℃ to 400℃

-40℃ to 400℃

-40℃ to 400℃

-40℃ to 400℃

Thermal Conductivity
(X-Y  axis)

400-500 W/m.K

400-500 W/m.K

350-450 W/m.K

300-400 W/m.K

300-400 W/m.K

250-350 W/m.K

Thermal Conductivity 

(Z  axis)

7-10 W/m.K

7-10 W/m.K

7-10 W/m.K

7-10 W/m.K

7-10 W/m.K

7-10 W/m.K

Heat diffusion coefficient (25)

 (mm2/s)  (X-Y axis)

200~320

200~320

200~320

200~320

200~320

200~320

Compressibility

35~55%

35~55%

35~55%

35~55%

35~55%

35~55%

Volume Resistivity

11*10-4
Ω-cm

11*10-4
Ω-cm

11*10-4
Ω-cm

11*10-4
Ω-cm

11*10-4
Ω-cm

11*10-4
Ω-cm

 

TYPE

DSN60200

DSN60300

DSN60500

DSN60800

DSN61000

DSN62000

Carbon Content

≥99.4%

≥99.4%

≥99.4%

≥99.4%

≥99.4%

≥99%

Color

Dark Grey

Dark Grey

Dark Grey

Dark Grey

Dark Grey

Dark Grey

Thickness (mm) 

0.2

0.3

0.5

0.8

1.0

2.0

Thickness Tolerance (mm) 

±0.03

±0.05

±0.05

±0.08

±0.1

±0.15

Density (g/cm³)

1.0~1.5

1.0~1.5

1.0~1.5

1.0~1.2

1.0~1.2

1.0±0.1

Hardness (shore A)

85

85

85

85

85

85

Tensile Strength (MPa) 

≥3

≥3

≥3

≥3

≥3

≥3

Sulfur content (ppm) 

≤1200

≤1200

≤1200

≤1200

≤1200

≤1200

Temperature Range

-40℃ to 400℃

-40℃ to 400℃

-40℃ to 400℃

-40℃ to 400℃

-40℃ to 400℃

-40℃ to 400℃

Thermal Conductivity
(X-Y  axis)

250-350 W/m.K

250-350 W/m.K

250-350 W/m.K

200-300 W/m.K

100-200 W/m.K

100-200 W/m.K

Thermal Conductivity 

(Z  axis)

7-10 W/m.K

7-10 W/m.K

7-10 W/m.K

7-10 W/m.K

7-10 W/m.K

7-10 W/m.K

Heat diffusion coefficient (25)

 (mm2/s)  (X-Y axis)

200~320

200~320

200~320

200~320

200~320

200~320

Compressibility

35~55%

35~55%

35~55%

35~55%

35~55%

35~55%

Volume Resistivity

11*10-4
Ω-cm

11*10-4
Ω-cm

11*10-4
Ω-cm

11*10-4
Ω-cm

11*10-4
Ω-cm

11*10-4
Ω-cm


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