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GSJ Natural graphite sheet

Thermal Conductive graphite sheet/Graphite sheet
◇Thickness: natural graphite sheet 0.07~0.5mm
◇ Temperature resistance range:-20 ~ 400℃
◇Thermal conductivity (horizontal direction):900~350W/mk
◇ Thermal conductivity (vertical direction):6~9w/mk
◇ There are sheets and coiled materials
◇ Can do insulation treatment, can separate back glue back film, if necessary
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Table of technical parameters


Test item

Test method

Artificial graphite sheet

Natural graphite sheet

Test standard

Thickness

ASTM D374

0.025~0.07

0.07~1

mm

Specific gravity

ASTM D792

1.8

1.3~1.5

g/cm3

Temperature resistance range

EN344

-20~400

-20~400

Tensile strength

ASTM F-152

28

7~10

Mpa

Hardness

ASTM D2240

80

70±5

Shore A

Flame retardant rating

UL 94

V-0

V-0

---

Bending properties

N/A

>30000 Times

>20000 Times

R2 1800

Horizontal thermal conductivity

ASTM D5470

1000~1500

350~900

w/m-k

Vertical thermal conductivity

ASTM D5470

11~15

6~9

w/m-k

Characteristics and Advantages

1. Excellent thermal conductivity: the thermal conductivity coefficient is as high as 350-900 w/(m-k) (equivalent to 2 to 4 times that 

of copper and 3 to 6 times that of aluminum), with a 40% lower thermal resistance than aluminum and a 20% lower thermal 

resistance than copper. 


2. Low specific gravity: 1.3-1.5 g/cm3 (density equivalent to 1/4 to 1/10 of copper and 1/1.3 to 1/3 of aluminum). 


3. Low thermal resistance, flexible and easy to cut (can be bent repeatedly). 


4. Ultra-thin: thickness between 0.07-0.5mm. 


5. The surface can be combined with other materials such as metal, plastic, and adhesive labels to meet more design functions 

and requirements.


Choose Dobon Thermal Pad Materials
Configurations Available
Avalable Options
1-side / 2-side adhesive lamination
Standard Sheet and Roll Sizes
Sheet size:200 x 400mm, 350x350mm
individual parts available Roll Form available(300mm width)
How to guarantee the quality of Thermal Pad?

1

High-temperature Aging Test:The specimens are in the setting ofenvironmental chamber temperature at 150℃,1000h high temperature

2

Temperature cyclerange of -45℃ to 150℃; Heating rate of 2℃/min, cooling rate of 1℃/min; Remain 30 min at high and low temperature points

3

Test Cycles not lessthan 8 times and the cycle time of 48h.

4

environmental chamber temperature at 85℃ and Humidityat 85% RH after 440 hours high temperature and humidity test the thermal conductivity.

5

High-temperature Aging Test;High Temperature and Humidity Test;High and Low Temperature Cycling Test

6

invested in advanced QA Test equipment to maintain accuracy and completeness of measurement.Coordinate Measuring Machine, X-ray detection machine

Typical Applications Include
✓ LED lighting ✓ Backlight module ✓ Switching power supply ✓ Medical equipment ✓ Communication equipment
✓ LED TV ✓ Mobile device ✓ Video equipment ✓ Network products ✓ Household appliances
✓ PC Server/Workstation ✓ Optical drive/COMBO ✓ Base station
Why Dobon Thermal Pad?
1 China factory Directly, no middleman, with more than 200 employees
2 Sophisticated production equipment such as placement machine, high-temperature furnace, AOI, SPI, X-Ray, etc.
3 Intelligent quality control system, strict quality control
4 One-stop service, single manufacturing team, 100% privacy
We are a manufacturer with 15 years of experience in Thermal Interface Materials, which guarantees that you will get the best quotation and the best quality products.

Click the message box on the right to contact us now to get your custom Thermal pad materials quotation.
What do we need in order to give you a quick quote?
Materials Type
Thermal pad, Thermal Grease, Thermal Insulator,Thermal Tape, Thermal conductive gel,Thermal Graphite Sheets,Thermal clay,Thermal Putty etc.
Materials Size
Length, Width, Thickness, Hardness, Color, Thermal Conductivity, Quantity etc
Certification

Has passed ISO: 9001 quality certification to ensure that our products meet industry standards,
At Dobon, insists on excelsior quality policy, has established environmental assessment lab, analysis gauging lab, reliability testing lab,safety codex lab,all these meet SGS,CTI testing level, with infrared spectrum, thermal conductivity measuring instrument,DSC,DTG to make quantitative component analysis, as the adequate technical support in manufacture.

Dobon focuses on providing full range Of Thermal Interface Materials for small and medium-sized enterprises.
For more detailed thermal pad knowledge and other thermal transfer materials related knowledge, please click here

To make the industry more efficient, come to Dobon for free sample test.

Dobon firmly believes that quality is the soul of products, and strictly abides by every standard, every process of production, and every detail of service!

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