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topic 7232

Flexible Heat Conductor


Does anyone know a material or finishing which is flexible and thermal conductive.

It will be used on aluminium sealbars for plastic pouches and sealed in connectors.

Mark Roelofs
- Heemstede, the Netherlands


Since you didn't supply many details, I'll assume you want a material attached to the aluminum seal bars to act as a heat transfer and pressure pad. When I worked for a medical instrument manufacturer, our sealers had a simple silicone rubber pad that had a high tempereature adhesive on one side. We tried both glass reinforced and unreinforced with similar results. We bought the material in sheets and cut to size. Sorry, but I don't know the manufacturer. Although silicone rubber isn't such a good heat conductor, the pads are thin enough to require only a short heat-up time, and then hold the heat very well.

David Strawser
- Ramt Gan, Israel

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