PERMABOND UV681 has been developed for use as a coating. It is ideal for coating electronics (such as conformal coating) to protect against environmental and vibrational damage. The optically clear / tack free formulation also makes this product particularly suitable for coating smart card microchips amongst various other applications. Its low viscosity ensures an even, bubble-free coating and high temperature resistance allows it to resist wave-soldering.

FEATURE:

Cure on demand
Low viscosity for good coverage
Tack free
Fast curing with low-power lamps
100% solids, no solvents

TYPICAL APPLICATIONS:

Coating smart card microchips

Typical Properties

Chemical composition	Acrylate
Appearance	Colourless
Viscosity @ 25°C	80-120 mPa.s (cP)
Specific gravity	1.1
Typical fixture time*	Low power 4mW/cm² battery lamp: 7 secs LED 100mW/cm² lamp: 2 secs UV light guide 30W/cm²: 1 sec
Tack free time	Low power 4mW/cm² battery lamp: 15 secs LED 100mW/cm² lamp: 5 secs UV light guide 30W/cm²: 1-2 secs
Cure wavelength	320 – 420 nm**

Resources

TDS:Download

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