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EM6000 delay in application between coats
http://www.luthiersforum.com/forum/viewtopic.php?f=10101&t=35958
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Author:  dmorg57 [ Fri Mar 30, 2012 8:08 am ]
Post subject:  EM6000 delay in application between coats

Hello Forum,

Due to some delays, it has been about 5 months since I put on the last coats of EM6000, and need to put on some additional coats. Any thoughts on burn-in issues? Could I just give it a good wipe down w/ DA and go from there, or am I looking at sanding back and starting again?

I appreciate any opinions or experience on this.

Thanks,

Dave

Author:  Matthew Jenkins [ Fri Mar 30, 2012 12:21 pm ]
Post subject:  Re: EM6000 delay in application between coats

Dave,
I've never waited 5 months between coats but from what I gather, EM6000 has a 100% burn in regardless of time.
I would scuff sand all over with 800 grit then continue your spraying.
Mat

Author:  bobgramann [ Fri Mar 30, 2012 12:25 pm ]
Post subject:  Re: EM6000 delay in application between coats

Wipe it lightly with ethyl alcohol and go ahead and spray the new coats. The alcohol will soften the surface and make sure it's clean. I've never had any problem with EM6000 burning into itself (but wait a couple of weeks before you sand across coat lines--burning in does take a while).

Author:  Mike OMelia [ Fri Mar 30, 2012 11:05 pm ]
Post subject:  EM6000 delay in application between coats

Of course not! It's highly repairable. But, scuff it good, and wipe with DNA. Use a very clean cloth. Failure to scuff will lead to witness lines. After DNA, I will go back and light scuff before spraying.

Mike

Author:  muse [ Sat Mar 31, 2012 1:15 am ]
Post subject:  Re: EM6000 delay in application between coats

Mike O'Melia wrote:
Of course not! It's highly repairable. But, scuff it good, and wipe with DNA. Use a very clean cloth. Failure to scuff will lead to witness lines. After DNA, I will go back and light scuff before spraying.

Mike


+1 on this. The docs on Targets site say burn in is not an issue at any time but to sand if more than 24 hours have passed. I also recommend to wipe down liberally with DNA. I have not gone months between coats but have gone weeks and followed this procedure and not had an issue. I am starting to suspect that Target retarder may cause some issues with burn-in but not sure yet.

Author:  dmorg57 [ Sat Mar 31, 2012 8:49 am ]
Post subject:  Re: EM6000 delay in application between coats

Awesome Guys, thanks so much for the responses. Scuff sand, DNA wipe down and spray away it is.

I really appreciate it,

Dave

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