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| Target Water Based Lacquer Checking http://mowrystrings.luthiersforum.com/forum/viewtopic.php?f=10101&t=52925 |
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| Author: | jeisenman [ Mon Feb 10, 2020 12:09 pm ] |
| Post subject: | Target Water Based Lacquer Checking |
Hi all, I have a guitar here with some interesting checking that isn't visible when looking straight on. . It is the target water-based lacquer. I know what causes nitrocellulose to check, but this looks slightly different. The guitar is just under two years old. Has anybody had this experience with Target EM6000? |
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| Author: | J De Rocher [ Mon Feb 10, 2020 12:16 pm ] |
| Post subject: | Re: Target Water Based Lacquer Checking |
I've finished twelve guitars with EM6000 and haven't seen checking. On your guitar, is the EM6000 applied directly to the wood? |
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| Author: | jeisenman [ Mon Feb 10, 2020 12:22 pm ] |
| Post subject: | Re: Target Water Based Lacquer Checking |
I used their sanding sealer as a color coat. Side note, I talked to the guy at Target last year who told me I could skip the sealer. Thanks for your reply. |
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| Author: | J De Rocher [ Mon Feb 10, 2020 12:34 pm ] |
| Post subject: | Re: Target Water Based Lacquer Checking |
I've done the same using their sanding sealer as a color coat on some guitars without problems so it's probably not due to that. |
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| Author: | jeisenman [ Mon Feb 10, 2020 12:48 pm ] |
| Post subject: | Re: Target Water Based Lacquer Checking |
Rocher, what is your Sanding process? |
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| Author: | J De Rocher [ Mon Feb 10, 2020 12:59 pm ] |
| Post subject: | Re: Target Water Based Lacquer Checking |
For final sanding and polishing of the finish, I've been level sanding dry with 400 grit and, since I didn't have a buffer until just recently, I've been wet sanding with Micro Mesh pads 1800 through 12,000 followed by LMI's cut polish and Meguiar's Mirror Glaze #17. It's tedious, but it gives pretty good results. |
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| Author: | B. Howard [ Tue Feb 11, 2020 7:06 am ] |
| Post subject: | Re: Target Water Based Lacquer Checking |
What exactly was in the "color coat"? Dyes, colorants etc can have drastic effects of film flexibility. |
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| Author: | J De Rocher [ Tue Feb 11, 2020 1:59 pm ] |
| Post subject: | Re: Target Water Based Lacquer Checking |
B. Howard wrote: What exactly was in the "color coat"? Dyes, colorants etc can have drastic effects of film flexibility. Brian's question reminds me that Target Coatings sells two sealers: EM1000 WB Universal Sanding Sealer and EMTECH USH3000 UltraSeal-WB Shellac Sealer. Which one did you use? |
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| Author: | bobgramann [ Sun Feb 16, 2020 7:16 pm ] |
| Post subject: | Re: Target Water Based Lacquer Checking |
I’ve been using it since it was called PSL. I’ve never seen anything like that. One of the reasons I like EM6000 is that it won’t check. I did have a problem a few years ago when I tried the Target high build lacquer, I think it was EM7000, as a base coat (to help fill pores) followed by a top coat of EM6000–that crazed and had to be removed. I use flake shellac dissolved in Everclear as a sealer and base coat. If you figure this out, please post the results. We need to know. |
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