polyester /fiberglass layup over uncured epoxy

Discussion in 'Materials' started by jon haig, Oct 7, 2019.

  1. jon haig
    Joined: Jun 2019
    Posts: 27
    Likes: 1, Points: 3
    Location: pompano beach,fl

    jon haig Junior Member

    i read somewhere that you can do polyester fiberglass layup over epoxy BUT it has to be before the epoxy cures. while still tacky.
     
    jon haig, Oct 7, 2019
    #1
  2. Richard Woods
    Joined: Jun 2006
    Posts: 2,209
    Likes: 175, Points: 63, Legacy Rep: 1244
    Location: Back full time in the UK

    Richard Woods Woods Designs

    no, the styrene in the polyester turns the epoxy to toffee

    RW
     
    Richard Woods, Oct 7, 2019
    #2
  3. ondarvr
    Joined: Dec 2005
    Posts: 2,932
    Likes: 579, Points: 113, Legacy Rep: 506
    Location: Monroe WA

    ondarvr Senior Member

    100% wrong, the two are totally incompatible in an uncured state.
     
    ondarvr, Oct 7, 2019
    #3

  5. Richard Woods
    Joined: Jun 2006
    Posts: 2,209
    Likes: 175, Points: 63, Legacy Rep: 1244
    Location: Back full time in the UK

    Richard Woods Woods Designs

    put a lump of cured epoxy in some styrene monomer and wait 24 hrs

    RW
     
    Richard Woods, Oct 8, 2019
    #4
Loading...
Similar Threads
  1. Bren Leach

    Fiberglassing foam core kayak, Polyester vs Epoxy

    Bren Leach, Jun 18, 2020, in forum: Materials
    Replies:
    20
    Views:
    8,985
    fallguy
    Jun 27, 2020
  2. member74761

    Polyester goof.

    member74761, Dec 15, 2021, in forum: Materials
    Replies:
    9
    Views:
    1,330
    redreuben
    Jan 6, 2022
  3. Jeff in Boston

    Understanding Wax and Polyester Laminating Resin?

    Jeff in Boston, May 11, 2021, in forum: Materials
    Replies:
    7
    Views:
    4,723
    ondarvr
    May 12, 2021
  4. aaronhl

    West System 410 under polyester type top coat

    aaronhl, May 1, 2021, in forum: Materials
    Replies:
    13
    Views:
    1,836
    Blueknarr
    May 4, 2021
  5. Paul Calder

    Mechanical Bonds in Polyester -laminated Glass

    Paul Calder, Sep 16, 2020, in forum: Materials
    Replies:
    7
    Views:
    1,500
    kapnD
    Sep 17, 2020
  6. Smallboater

    Marble Dust polyester filler to use on stictch boat?

    Smallboater, Aug 24, 2020, in forum: Materials
    Replies:
    10
    Views:
    1,480
    Rumars
    Aug 25, 2020
  7. mike arnold

    polyester question

    mike arnold, Feb 18, 2020, in forum: Materials
    Replies:
    5
    Views:
    1,369
    mike arnold
    Feb 20, 2020
  8. bryson

    Polyester vs PVC Foam for cored hull

    bryson, Mar 27, 2019, in forum: Materials
    Replies:
    1
    Views:
    2,470
    fallguy
    Mar 27, 2019
  9. Chotu

    Polyester Questions

    Chotu, Dec 2, 2018, in forum: Materials
    Replies:
    20
    Views:
    2,995
    redreuben
    May 29, 2019
  10. Ittiandro

    Using polyester resin instead of epoxy resin

    Ittiandro, Apr 6, 2018, in forum: Materials
    Replies:
    35
    Views:
    7,568
    redreuben
    May 23, 2018
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.