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Thermal Gap Filler materials

Gap filler material offers a solution when dissipating excess heat in electronics problems or as heat transfer in general heating or cooling applications.

Thermische gap filler pads
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Categories gapfillers

There are two categories of gapfillers; the pads (on sheets) and the putties (liquid and dispensable). There are silicone elastomer or also non-silicone containing elastomer as a basic ingredient. Silicone has the advantage that it is very soft and can be used in a wide temperature range. Non silicone gap fillers are often slightly harder and have a smaller temperature range than silicone. Silicone free or low outgassing silicone can be a requirement in e.g. automotive or avionic applications. For certain applications a post cure treatment can also be performed on gap filler material.

Advantages of thermal gap fillers

Thermal gap fillers also have the positive property that they give good shock absorption in addition to good thermal performance. By nature, the thermal gap filler pads are slightly sticky and allow small air gaps to be removed, reducing thermal resistance to an absolute minimum.

Gap filler pads are cleaner to use than thermal paste and easier to remove than thermal adhesive.

Tailor made

In almost all cases we supply Gap filler pads as cut part on sheet. They are converted to the right size in our own factory so that they fit directly to your application. Standard thicknesses range from 0.5mm to 5.0mm. Mostly with intermediate steps of 0.5mm. Other thicknesses are available on request.

Features

  • Good thermal performance.
  • Good shock absorption for e.g. mobile applications.
  • Excellent compression.
  • Precisely cut to size using our in-house automated machines.
  • Slightly sticky by nature.
  • Cleaner to use than thermal paste.
  • Easy to use.
  • Cost effective.
  • Can be used on larger surfaces.
  • Can be supplied with liner on one side for additional support during assembly.
  • Available in a wide variety of thermal conductivity, softness and thickness to suit your design.
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