Gurit Microballoons – Brown Epoxy Filler for Fairing & Filling

15.0036.85 ex. VAT

Microballoons for filleting and fairing with Epoxy Resin


  • 100g = 500ml
  • 300g = 5 litre Container
15.00 ex. VAT

In stock

36.85 ex. VAT

In stock

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Microballoons are hollow phenolic resin spheres which have a distinctive reddish/brown colouration thus making them particularly useful for cosmetic fillet joints and fillers in wood construction, as well as structural adhesives for low demanding applications on softer timbers such as cedar. Although not as waterproof as glass bubbles, microballoons are often preferred for their excellent sanding characteristics.

Microballoons are not normally used with polyester or vinylester resins because they can be subject to styrene attack which may cause the spheres to collapse.
When storing microballoons, it is particularly important to exclude air as they readily absorb atmospheric moisture which will affect the performance of the filled mix.

Composition: Phenolic Resin
Appearance: Red/Brown Powder, occasionally sticky
Particle Size: 50 microns
Bulk Density: 100g/litre

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Product Documents