This is a two-part, smooth, dark grey paste that cures to form a hard, durable polymer that is extremely thermally conductive, yet electrically insulating. It is it very viscous because it is highly filled with thermally conductive ceramic powders for maximum thermal conductivity. It bonds well to metals, ceramics, glass, and most plastics used in electronic assemblies.

It has a convenient 1-to-1 mix ratio and a 4-hour working life. The mixed adhesive can essentially act like a one-part adhesive for the duration of a work shift. Unlike one-part adhesives, it does not require high curing temperatures or frozen storage, and it has a very long shelf life.

This product comes packaged in separate 3 mL graduated syringes that can be accurately dispensed

Applications & Usages
This product is designed to bond heat sinks, LED’s, and other heat generating components in electronic assemblies. It is suitable for manufacturing, repair, and hobbyist sectors. Use it when a thixotropic adhesive paste with maximum thermal conductivity and a very long working life is required. For automatic dispensing applications, use the 8329TFS, which has a lower viscosity at the cost of slightly lower thermal conductivity.

Benefits and Features
• Thermal conductivity: 1.44 W/(m·K)
• 1:1 mix ratio by volume
• Working life: 4 hours
• Cure time 1 hour at 80°C or 96 hours at room temperature
• Room temperature storage
• Good adhesive strength
• Strong resistance to water, brine, acids, bases, and aliphatic hydrocarbons

Usage Parameters
Properties Value
Working Life a) 4 h
Full Cure @25 °C [77 °F] 96 h
Full Cure @80 °C [176 °F] 1 h

Properties Value
Constant Service -65 to 165 °C
Temperature [-85 to 329 °F]
Intermittent Temp. -70 to 200 °C
Limits b)
[-40 to 302 °F]
Storage Temperature 22 to 27 °C
of Unmixed Parts [72 to 81 °F]