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TG 3000I | Thermal Grease

Harmonization Code : 3824.99.96.99 | Prepared binders for foundry moulds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included : Other : Other: Other

Main features

0.003 Thermal Impedance
3.0 Thermal Conductivity
7μm BLT

Product Description

TG3000I Thermal Silicone Grease is the best thermal grease of our entire product line. It offers excellent thermal properties (3.0 TC and 0.003 TI) while also exhibiting excellent electrical properties. TG3000I has a maximum particle size of 7um and can reach a bond line thickness of 7 micron @35psi, 50oC. Its low viscosity and excellent thixotropy make it fit for large–scale production with dispensing, screen printing and stencil printing. Even though TC is seemingly average, the combination of Thermal impedance and minuscule bond line thickness along with its great electrical properties, make it the most advanced thermal grease in the market.

TG3000I is used for applications with highly advanced power density requirements. It is designed to minimize thermal resistance at interfaces, and maintain excellent performance through reliability testing. It provides superior thermal performance with ease of use across a multitude of applications. Its operating temperature range is -40^oC to 150^oC like the entire Thermal grease product range.

Technical Specifications

General Properties

Color

Color
The color

White

Specific Gravity

Specific Gravity
Specific gravity (SG) is the ratio of the density of a substance to the density of a reference substance; equivalently, it is the ratio of the mass of a substance to the mass of a reference substance for the same given volume.

For liquids, the reference substance is almost always water (1), while for gases, it is air (1.18) at room temperature. Specific gravity is unitless.

3.4

Mechanical Properties

Viscosity

Viscosity
Viscosity is a measurement of a fluid’s resistance to flow.

Viscosity is commonly measured in centiPoise (cP). One cP is defined as
the viscosity of water and all other viscosities are derived from this base. MPa is another common unit with a 1:1 conversion to cP.

A product like honey would have a much higher viscosity -around 10,000 cPs-
compared to water. As a result, honey would flow much slower out of a tipped glass than
water would.

The viscosity of a material can be decreased with an increase in temperature in
order to better suit an application

Viscosity

200,000 mPa.s

Electrical Properties

Dielectric Constant

Dielectric Constant
Dielectric Constant (k), commonly known as relative permittivity, is a number relating the ability of a material to carry alternating current to the ability of vacuum to carry alternating current.

It determines the ability of an insulator to store electrical energy and is the ratio of electric permeability in vacuum against the electric permeability of a material.

The lower the dielectric constant (κ) and dissipation factor, the less energy is absorbed from an electric field, making it a much better insulator.

It is a dimensionless property that can be affected by various factors such as the thickness uniformity of a material, insufficient contact between the sample and electrodes, water adsorption and contact resistance.

Dielectric Constant @ 1000 kHz

Volume Resistivity

Volume Resistivity
Volume resistivity, also called volume resistance, bulk resistance or bulk resistivity is a thickness dependent measurement of the resistivity of a material perpendicular to the plane of the surface.

2.0x10¹² Ohms⋅cm

Thermal Properties

UL94 Rating
Flammability	V-0

Thermal Conductivity

Thermal Conductivity
Thermal conductivity describes the ability of a material to conduct heat. It is required by power packages in order to dissipate heat and maintain stable electrical performance.

Thermal conductivity units are [W/(m K)] in the SI system and [Btu/(hr ft °F)] in the Imperial system.

3.0 W/m.K

Thermal Impedance

0.003 °C·cm²/W

Additional Information

Will I have any issues with fretting(friction) with Greases?

After conducting a thermally degrading test you might realise that these greases are highly filled(~93.5% residual mass). Can this be a cause for concern when it comes to fretting and friction? The short answer is no.

The long answer is that Zinc oxide and aluminum oxide are common fillers in greases and other TIMs. These materials are also used in our phase change TIMs and there has rarely been any issues with fretting (friction) during dispensing or other applications. Fretting is only a concern with boron nitride as filler. Friction related impact is also minimal on low viscosity greases. So you are safe.