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Plasti dip

Posted: 2014-03-02
by aidant
Recently I made a spear and coated the shaft in plasti dip. When I used it for the first time last week the coating started to peel off. This happened where it was directly on the wood and where it was over tape. Does anyone have any advice on how to prevent this? I thought about trying using plasti dip primer, but I can not find anywhere that sells it locally.

Re: Plasti dip

Posted: 2014-03-02
by Sir Tyriel Firebrand
How long did the PD cure after you applied it? Also, it tends to slip off of things that are super smooth, such a unsanded metal, wood, things like that. I would try to rough up the surface a bit with super fine sandpaper and try again. Make sure you put a clear coat over it as well. If it comes off again, I would like to look at it at an event, see if I can help you any further.

Re: Plasti dip

Posted: 2014-03-03
by aidant
The final coat was applied mid afternoon the day before. The first coat was put on at least a week before.

What type of coating do you recommend?

Re: Plasti dip

Posted: 2014-03-03
by Sir Tyriel Firebrand
I normally put at least 4-5 layers on the seams, and 4-5 layers on everything else including the seams. Also once the PD is on there I give it a full 24-48 hours before I put the primer and paint on.

Re: Plasti dip

Posted: 2014-03-03
by Inox
Also bear in mind that DAP, PD, and even generally the primers/paints are going to contain solvents. These will outgas if given time to cure at each stage, but if you rush the PDing before the DAP is dry, for instance, you may loosen your foam.

Can't rush any of this stuff.

Re: Plasti dip

Posted: 2014-03-04
by Sir Sturmbjorne
Inox wrote: Can't rush any of this stuff.


Couldnt agree more. Take your time.
If it was physically on the shaft of a wooden spear, that may be the problem in and of itself.