1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

Help How to give base black primer to polystirene ??

Discussion in 'Painting and Converting' started by Camazotz, Jun 25, 2016.

  1. Camazotz
    Skink

    Camazotz Member

    Messages:
    21
    Likes Received:
    44
    Trophy Points:
    13
    I sculpted a custom base and as soon as i sprayed it with my black spray i use for minis it started melting away very fast i use a solvant based spray not the gw one you think it will be different ? is that one waterbased ?
     
    Bowser likes this.
  2. The Red Devil
    Stegadon

    The Red Devil Defender of Hexoatl Staff Member

    Messages:
    986
    Likes Received:
    1,500
    Trophy Points:
    93
    I am not certain but I do not believe there will be any difference with the GW one.

    This depends on the Polystyrene type you have, I have had success in the past by spray painting from a longer distance, and only at shorter burst of like a second, then wait 2-3 seconds and another short burst. Guess what happen is that so little paint get on the polystyrene that it does not get the chemical reaction.

    Other than this, there is specific products that are meant to be coated on the Polystyrene to prevent this reaction. Or you can use water based paints, but not sure if you can get that on spray cans?
     
    Bowser likes this.
  3. Stefblo
    Saurus

    Stefblo Active Member

    Messages:
    79
    Likes Received:
    109
    Trophy Points:
    33
    I have cut out Anwil of Doom years ago from polystyrene and sprayed it with GW chaos black. The surface was literally melted. I have heard, that u can cover polystyrene in PVA glue in order to avoid it demaged. I haven't tried this method though.
     
  4. Crowsfoot
    Slann

    Crowsfoot Guardian of Paints Staff Member

    Messages:
    8,344
    Likes Received:
    14,489
    Trophy Points:
    113
    ^ will work, pva the surface first and leave to dry.

    If you have an airbrush you can spray with acrylic paint or apply by brush.

    Beware of using water based sprays, if you apply a thick coat it will not adhere and peel off.

    Method I have used in the past is cover the surface with a thin polyfiller layer.
     
    Bowser likes this.

Share This Page