ProductsThermal management products

High Thermal Conductive Sheet HEATEX™

Insulation type high thermal conductive sheet resistant to bending and cracking

HEATEX™ has vertically oriented thermally conductive fillers with high thermal conductivity. Above mentioned filler, which contains boron nitride has been used in the insulation series.
It can be used as an interface (TIM) to efficiently transfer the heat from heat-generating parts (CPU,LED backlight, power chip) to cooling parts (heat sink, so on..).

High Thermal Conductive Sheet HEATEX™

Features

1. Lineup of insulation series.
2. High thermal conductivity, one of the highest in the market.
3. A rubber type soft sheet TIM without stickiness.*
(*) TIM : Thermal Interface Material

Vertical orientation control of thermal conductive filler

Magnified cross-sectional view of high thermal conductivity sheet

Electron micrograph of the cross-sectional structure of an insulation series with vertically oriented boron nitride

Handling

Highly thermally conductive heat-dissipating sheet that is resistant to cracking even when bent

Because of using silicone rubber, it is hard to break even when bent, has a silky feel, and has excellent workability.
Rework is also possible.
Adhesive treatment of the sheet surface is available as an option.

Thermal stability

Maintains low thermal resistance in pressurized environments.
Even if it is used for a long time in a harsh environment of 200°C, there is almost no change in physical properties.
In addition, the pump-out phenomenon caused by thermal paste is less likely to occur.

*Pump-out phenomenon
Materials that come into contact with grease undergo a pump-out phenomenon in which grease is discharged by repeating expansion and contraction as the temperature rises and falls.
When the pump-out phenomenon occurs, the contact thermal resistance increases due to the generation of void, and the initial performance cannot be obtained.

Lineup

Unit Standard TS103 TS107
General Characteristics
Color Visual gray rose gray
Size mm 100 x 100 100 x 100
Thickness mm 0.3 0.5 1.0 0.3 0.5 1.0
Density g/cm3 JIS K6220 1.6 1.6
Hardness AskerC 70 55

Continuous

operating

temperature

-40 to 150 -40 to 150

Compression

ratio


%


Test

Piece
T=1㎜
Φ33㎜

0.3 MPa

0.5 MPa

11

1.0 MPa

19 35
Electrical Characteristics

Volume

resistivity

Ω-ⅽm JIS K6911 >1013 >1013

Dielectric

constant

JIS

C2138

1 MHz

3.5 3.5

2 MHz

Dielectric

tangent

JIS

C2138

1 MHz

<0.001 <0.001

2 MHz

Breakdown

Voltage

kV/mm

Test Piece

T=1mm 1kV/s,

Air Condition

>20 >20
Thermal conductivity

Thermal

conductivity

W/m-K

ISO 22007-3 17 17

ASTM D5470

Thermal

Resistance
 25°C

0.5MPa


Kcm2/W


ASTM

D5470

0.3㎜ 0.4 0.4
0.5㎜ 0.6 0.6
1.0㎜ 1.1 1.1
Flame retardant properties

Flame

resistance

UL94

V-0

Equivalent

V-0

Equivalent

Other Characteristics

Low

molecular

siloxane

content

ppm ∑D4-D10 <300 <300

The values in the table are representative values. Specifications are subject to change without notice.

The above table data is also stored in Catalogs and Documents, and can be downloaded as a PDF file.

Applications

Image of HEATEX in use

Bando Chemical's "Thermal Management" special site

Bando Chemical's "Thermal Management"
Contact us Download catalogs & Documents

Contact us