What can we say about Micro Balloons that hasn't been said before? For those of us that have used Micro Balloons there's no introduction required, but for modellers that an unfamiliar with the product, what you need to know is that when mixed with Epoxy,PVA or Balsa Cement cracks can be filled while keeping a strength in the join. Glue on it's own in a fillet or gap does not increase strength, Micro Balloons do. There for Deluxe S-SE23 Micro Balloons – 250cc is a work shop essential
Simply add Micro Balloons to glue or resin for a lightweight filler.