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SP Glass Bubbles

  • Description
  • SP Glass Bubbles are hollow glass spheres with a more variable particle size than microballoons. Being
    composed chemically of glass, they are physically harder than microballoons and filled resin mixes are
    noticeably more difficult to sand. However, glass bubbles produce a more waterproof filler mix and are often
    used on below-waterline applications on boats. Being significantly less expensive than microballoons they
    are often preferred if easy sanding performance is not of prime importance. They can be mixed with
    microballoons in any proportion for colour purposes.

  • Technical Questions
  • How much of the glass bubbles do i add to the epoxy resin?

    By weight around 40% mix for filling and fairing.

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  • Technical Data Sheet
  • SP Glass Bubbles Technical Data Sheet

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