Thermal Gap Filler

Tgf 331 624x468 1


TGF-331 is a high temperature resistant, silicone liquid gap filler with very high thermal conductivity. It is a heavily filled system with heat conductive metal oxides. The material is a two-component, cured either at room or elevated temperature. The material is an excellent solution for interfacing fragile components.

Product Specifications

No.of Components 2
Mix Ratio by Weight 100:100
Mixed Viscosity @RT(cps) 100,000-150,000
Pot Life @25°C(100 gram) 30-60 minutes
Recommended Cure 30 minutes @ 100°C
Alternate Cure 24 hours @ 25°C
Color Blue
Specific Gravity 2.6
Hardness(Shore) A-20
Refractive Index NA
Lap Shear Strength @25°C(psi) NA
CTE(Below Tg)10-6/°C >120
Service Temp.Range -55°C - 205°C
Thermal Conductivity(W/m°K) 3.6
Volume Resistivity(500 V) 1 x 10^10

Recommended Applications

• Automotive electronics

• PCBA to housing

• Discrete components to housing

• Fiber optic telecommunications equipment

Use the form below to request additional information & product data