By billybeag - 8/27/2013 11:58:01 AM
Hi I have been repairing a plywood stitch and tape mirror dinghy which has been repaired using West system 105/205 resin on the joints, fairing the hull and coating same, would your clear epoxy coating resin be a compatible material to coat over the cured west system epoxy? All surfaces will be painted ultimately.
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By Dravis - 8/29/2013 12:30:23 PM
The West Systems 105 series "marine" epoxies are 100% compatible with several of the EC epoxies.
I have actually managed to use WS Slow hardener 206 with EC laminating epoxy .. it uses the same 1:5 volume mixing ratio, and cured perfectly ..  I have no actual testing of the resulting laminate, so no info on the strenght of the finished resin-
I have used WS 105/207 "UV coating mix" on top of EC infusion epoxy laminates with great results.. (bonding to peel-ply'ed surface)
I see no reason why EC epoxies should not work perfectly on top of WS .. just follow Warrens advice on keying the surface properly . I use 180 grit ...
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