dry inside panel face with infusion

Discussion in 'Fiberglass and Composite Boat Building' started by JV_Comp, Apr 5, 2004.

  1. JV_Comp
    Joined: Apr 2004
    Posts: 12
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: Wisconsin

    JV_Comp Junior Member

    When making test panels with infusion I have consistently found the last layer of the laminate stack to be somewhat dry or light in resin. The last layer of the laminate is the one upon which the peel ply rests. For instance:

    mold
    fiberglass
    fiberglass
    kevlar
    kevlar
    peel ply
    flow medium
    vacuum bag

    When the outside of the cured test panel (the smoooth finish side) is struck with a scratch awl or hammer, the inside layer will delaminate somewhat if it is too dry. If it is wet out properly it will lift only slightly in at the point of attack.

    I tried stacking continuous strand veil on the last layer to aid it wetting it out and it helped but the CSV was somewhat dry.

    Has anyone dealt with this problem?
     
  2. Theo
    Joined: Apr 2004
    Posts: 7
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: Michigan

    Theo Junior Member

    dry glass

    This is normal, try reducing the vacuum closer to 25 inches. This will reduce your glass content a bit.
     
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