Thermal Grease
  • LE380 3.8 W/m·K High Thermal Conductivity Grease Silicone Thermal Grease Paste
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  • LE380 参数.png
  • LE380图片 拷贝.jpg
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  • 应用图.jpg
  • LE380 3.8 W/m·K High Thermal Conductivity Grease Silicone Thermal Grease Paste
  • 2.jpg
  • LE380 参数.png
  • LE380图片 拷贝.jpg
  • 7.jpg
  • 应用图.jpg

LE380 3.8 W/m·K High Thermal Conductivity Grease Silicone Thermal Grease Paste

Specification:
LE380 Silicone Thermal Grease Paste
Thermal conductivity:3.8±0.3 W/m·K
BLT:≤60μm
Thermal Impedance:0.043 ℃·in²/W
Operating Temperature:-40~150
Introduction:
LE380 3.8 W/m·K High Thermal Conductivity Grease
LE380 silicone thermal grease is a high thermal conductivity grease designed for high-end desktop CPUs and GPUs, high-end workstations, and high-power electronic equipment. With a thermal conductivity of 3.8±0.3 W/m·K, it helps transfer heat from electronic components to heat sinks and cooling assemblies.
  • Product introduction
  • Technical Parameters
  • Product Application
  • Product Characteristics

LE380 3.8 W/m·K High Thermal Conductivity Grease


LE380 silicone thermal grease is a high thermal conductivity grease designed for high-end desktop CPUs and GPUs, high-end workstations, and high-power electronic equipment. With a thermal conductivity of 3.8±0.3 W/m·K, it helps transfer heat from electronic components to heat sinks and cooling assemblies.


Used as a thermal paste for processor cooling, LE380 fills microscopic surface irregularities between mating surfaces, helping reduce trapped air and improve thermal contact. It provides a silicone-based thermal interface for desktop PC processor cooling, graphics cards, and workstation cooling assemblies.


Key Specifications

Test Items

Unit

LE380

Test Standard

Appearance

-

Gray

Visual

Density

g/cm3

2.94±0.2

ASTM D792

Bond Line Thickness (BLT)

μm

≤60

-

Dielectric Strength

KV/mm

≥5

ASTM D149

Dielectric Constant

-

5.73

ASTM D150

Weight Loss

%

≤0.3

150℃ 240H

Thermal Conductivity

W/m·K

3.8±0.3

ISO 22007-2

Thermal Conductivity

W/m·K

3.8±0.3

ASTMD5470(Three-Thickness Fit)

Thermal Impedance

℃·in²/W

0.043

ASTM D5470(40psi@BLT)

Thermal Impedance

℃·cm²/W

0.283

ASTM D5470(40psi@BLT )

Operating Temperature

℃

-40~150

-

Specific Heat Capacity

J/(g/K)

0.966

ASTM E1269


Features and Advantages


High thermal conductivity: 3.8±0.3 W/m·K supports heat transfer in demanding electronic cooling applications.
CPU and GPU cooling: Designed for thermal interfaces in high-end desktop PCs and workstations.
Improved thermal contact: Helps fill microscopic gaps between components and heat sinks, reducing trapped air at the interface.
Specified bond line thickness: BLT of ≤60 μm for thermal interface design and material selection.

Broad operating temperature range: Operating temperature specification of −40 to 150 °C.


Typical Applications


-High-end desktop CPU cooling
-GPU thermal interfaces in PC graphics cards
-Processor and graphics cooling in high-end workstations

-Thermal interfaces between components and heat sinks in high-power electronic equipment



Reliable thermal performance starts with the right materials.

With 15 years of expertise, Union Tenda provides thermal interface materials tailored to your applications—from thermal pads and gels to greases, potting compounds and phase change materials. Our in-house R&D and testing capabilities, backed by a 20,000 m² production base, support customers across electronics, AI, EVs and energy storage.

Let's connect to discuss your thermal management needs.


Test Items

Unit

LE380

Test Standard

Appearance

-

Gray

Visual

Density

g/cm3

2.94±0.2

ASTM D792

Bond Line Thickness (BLT)

μm

≤60

-

Dielectric Strength

KV/mm

≥5

ASTM D149

Dielectric Constant

-

5.73

ASTM D150

Weight Loss

%

≤0.3

150℃ 240H

Thermal Conductivity

W/m·K

3.8±0.3

ISO 22007-2

Thermal Conductivity

W/m·K

3.8±0.3

ASTMD5470(Three-Thickness Fit)

Thermal Impedance

℃·in²/W

0.043

ASTM D5470(40psi@BLT)

Thermal Impedance

℃·cm²/W

0.283

ASTM D5470(40psi@BLT )

Operating Temperature

℃

-40~150

-

Specific Heat Capacity

J/(g/K)

0.966

ASTM E1269

Between CPU / GPU and radiator
Between power supply resistor and bottom seat
Thermoelectric cooling device
Thermoelectric cooling device
LED lighting and other industries
The wettability of the surface can effectively reduce the thermal resistance of the interface
Low volatile, long-lasting paste state
Precision viscosity, easy to scrape, easy to operate
Environmental protection raw materials, no harmful gas release

Contact

Tel:+86-13691979380
+86-19065180554

E-mail:elvinlen@szutd.com
Carly@szutd.com

Address:8th Floor, Tower B, Lechuanghui Building, No. 1211 Guanguang Road, Longhua District, Shenzhen City, Guangdong Province