Description
GS series
Graphite Sheet
Thermal conductive graphite sheet is a brand-new thermal conductive and
heat-dissipating material, with unique grain orientation and uniform thermal
conductivity in two directions. The lamellar structure can adapt to any surface
well, shielding heat sources and components and improving the performance of
consumer electronic products. The product evenly dissipates heat and also
provides thermal isolation in terms of thickness.Graphite flake can be divided into natural graphite
flake and artificial graphite flake.
Product Features
● Fast heat conduction in the horizontal direction, higher than copper and
aluminum
● Low thermal resistance, 40% lower than aluminum and 20% lower than
copper.
● Soft, ultra-thin, up to 0.025mm, easy to install.
● Light weight, 25% lighter than aluminum and 75% lighter than copper.
● Easy to cut, and can be cut into any size according to customer's
needs.
● It can be covered with plastic film for insulation and convenient
operation.
● Can be coated with copper foil, aluminum foil and other materials.
Product Structure
Description of commonly used films structure diagram of thermal conductive
graphite sheet
Package and Storage
There are bare graphite coils, adhesive-backed graphite coils and film-backed
graphite coils; Sheet can be cut into any shape and processed.
Technical Data Sheet
|
Test item |
Unit |
Artificial graphite sheet |
Natural graphite sheet |
Test Method |
|
Thickness |
mm |
0.025~0.07mm |
0.025~2mm |
ASTM D374 |
|
Specific gravity |
g/cm3 |
1.7±0.2 |
1.3~1.5 |
ASTM D792 |
|
Temperature resistance |
℃ |
-20~500 |
-20~400 |
EN 344 |
|
Tensile Strength |
Mpa |
28 |
7~10 |
ASTM F-152 |
|
Hardness |
Shore A |
80 |
70±5 |
ASTM D2240 |
|
Flame retardant rating |
/ |
V-0 |
V-0 |
UL94 |
|
Bending properties |
R2 1800 |
＞10000 times |
＞20000 times |
N/A |
|
Horizontal thermalconductivity |
W/m.k |
1000~1500 |
350~900 |
ASTM D5470 |
|
Vertical thermalconductivity |
W/m.k |
11~15 |
6~9 |
ASTM D5470 |
Type of insulation film and adhesive on the back of graphite sheet
|
Model of back membrane |
Dorsal membrane color |
Thickness |
Back glue model |
Back glue thickness |
|
P1 |
Black matt anti-fingerprint |
0.015mm |
J1 |
0.01mm |
|
P2 |
Black bright PET |
0.015mm |
J2(high viscosity) |
0.03mm |
|
P3 |
Transparent PET |
0.03mm |
J3 |
0.05mm |
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