Red microballoons

Rode Microballoons
Rode Microballoons
  • Lightweight filler for epoxy
  • Perfect for fillets
  • Easily sandable

Red microballoons are lightweight hollow phenolic resin spheres with reddish/brownish colouration. They are easy to mix into epoxy. After mixing, your resin will turn brown.

This filler is mainly used for wooden parts that need a transparent finish. The brown colour makes the fillets stand out less. The mixture is lightweight, so red microballoons are also often used where weight is a decisive factor. Before varnishing, microballoons should be coated with a new layer of epoxy.


  • Specific weight: 0.20 gr/cc
  • Dosage: approx. 3-5% (weight) for putties


  • 0.2 kg (approx. 2.5 litres)
  • 1 kg (approx. 10 litres)

We have a number of recommendations for working safely with polymers. At Polyestershoppen you will not only find the polymers themselves, but you can also purchase all the protective equipment you need from us. If you have any doubts or questions, please contact our customer service. We can give you advice on how to work safely with polymers.

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