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         Thermal Gap Filling Materials

 

Especially designed ThermoFill materials by United Adhesives Inc. are for coupling thermal stress while dissipating heat. They have the following features:

-                High thermal conductivity & heat dissipating capacity

-                Soft and flexible for stress free gap filling

-                Flexible cure profile. Some are room temperature curable

-                Automated dispensable and printable

-                Tack after cure to provide necessary adhesion

-                All the ThermoFill materials are reworkable

They can be used in semiconductor, telecommunication, and automotive electronic industries. They are typically applied between high power devices and heat sinks, and any places where require to couple thermal stress while dissipating heat, or require thermally conductive vibration dampening.


 

Name

ThermoFill TF2620

ThermoFill TF2418

ThermoFill  TF2619

ThermoFill TF2612

ThermoFill TF2520

Thermal Grease
TG2730

Features / Advantages

Very high thermal conductivity. Non-Sag. Fast cure and room temp curable. Reworkable

Extremely soft for stress free. Non-Sag. Dielectric. Reworkable. Strong tack after Cure

High thermal conductivity. Non-Sag. Fast cure and room temp curable. Reworkable

Extremely soft for stress free. Non-Sag. Dielectric. Reworkable. Strong tack after Cure

One part for easy apply. High thermal conductivity. Very soft. Non-Sag. Reworkable

Boron nitride as filler to reach superior thermal conductivity. No cure required

Typical Applications

For high heat dissipations in electronic devices. Applied between high heat power devices and heat sinks

Especially designed for coupling thermal stress while significantly dissipating heat in electronic devices

For electronic applications. Applied between high heat power devices & heat sinks. Excellent for thermally conductive vibration dampen

For coupling thermal stress while dissipating heat. Excellent for thermally conductive vibration dampen

For high heat dissipations in electronics. Applied between high heat power devices and heat sinks

Especially designed for high heat dissipation while providing stress-free coupling in electronic devices

Appearance

White - A
White / Grey - B

White - A
White / Grey - B

White / Grey

White - A
White / Grey - B

White / Grey

White / Grey

Rheology

Dispensable, thixotropic

Dispensable

Printable, thixotropic

Dispensable

Dispensable, thixotropic

Dispensable, thixotropic

Viscosity @25C
(cps, as mixed)

210,000

150,000

230,000

35,000

210,000

250,000

Part / Component

A/B (1:1 wt mixing)

A/B (1:1 wt mixing)

One Part

A/B (1:1 wt mixing)

One Part

One part

Density (g/ml)

2.9

2.6

2.7

2.4

2.9

1.6

Work life (hr)

10 min

30 min

N/A

30 min

N/A

N/A

Cure Rate

rmT 60 min
125C 15 min

rmT 4 hrs
125C 30 min

125C 60 min

rmT 3 hrs
125C 30 min

150C 30 min
125C 60 min

Not required

Shelf Life (days)

> 6 month
@ < 30C

> 6 month
@ < 30C

15 days
@ < 25C

> 6 month
@ < 30C

> 6 month
@ < 4C

> 12 month
@ < 30C

Thermal Conductivity (W/mK)

2.3

1.6

1.7

1.2

2.3

3.0

Thermal Stability

-50 to 200C

-50 to 200C

-50 to 200C

-50 to 200C

-50 to 200C

-50 to 180C

Tg

-120C

-120C

-120C

-120C

-120C

N/A

Hardness

Shore A =15

Shore OO = 46

Shore OO=40

Shore OO = 45

Shore A =40

Grease / paste

Volume Resistivity
(Ohm-cm)

> 10E+14

> 10E+14

> 10E+14

> 10E+14

> 10E+14

> 10E+13

Dielectric Strength (KV/mm)

> 400 V/mil

> 400 V/mil

> 400 V/mil

> 400 V/mil

> 400 V/mil

> 400 V/mil



 

   
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