bulk up resin

Discussion in 'Materials' started by grp.boat, Jan 9, 2007.

  1. grp.boat
    Joined: Nov 2005
    Posts: 47
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: uk

    grp.boat Junior Member

    what is the best additive to add to resin for bulking it up for sanding?
  2. fiberglass jack
    Joined: Dec 2005
    Posts: 463
    Likes: 16, Points: 0, Legacy Rep: 95
    Location: toronto

    fiberglass jack Senior Member

    what is the resin going to be ( above or below water) micro balloons makes the easiest to sand but will sag , to stop this add 10 to 15% cabosil (fumed silaca) this will stiffin the paste add to much and it will be a ***** to sand
Forum posts represent the experience, opinion, and view of individual users. Boat Design Net does not necessarily endorse nor share the view of each individual post.
When making potentially dangerous or financial decisions, always employ and consult appropriate professionals. Your circumstances or experience may be different.