Black stains on gelcoat from stainless steel

Discussion in 'Materials' started by Vronsky, Aug 27, 2018.

  1. Vronsky
    Joined: Apr 2014
    Posts: 35
    Likes: 0, Points: 6, Legacy Rep: 10
    Location: Amsterdam

    Vronsky Junior Member

    I have couple to stainless steel snap hooks on my boat that are causing black stains on the gelcoat.
    What are these stains ? Are very hard to remove.

    Are non-steel snap hooks any good as replacement ?

    THANKS,
    V.
     
  2. Blueknarr
    Joined: Aug 2017
    Posts: 333
    Likes: 32, Points: 28
    Location: Colorado

    Blueknarr Senior Member

     
  3. fallguy
    Joined: Dec 2016
    Posts: 1,246
    Likes: 48, Points: 48, Legacy Rep: 10
    Location: usa

    fallguy Senior Member

    Chafing plate?
     

  4. Vronsky
    Joined: Apr 2014
    Posts: 35
    Likes: 0, Points: 6, Legacy Rep: 10
    Location: Amsterdam

    Vronsky Junior Member

    Thanks!
    I'm considering replacing the hooks with Dyneema soft shackles: what drawbacks have these ?
     
    Last edited: Aug 27, 2018
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