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Old 07-25-2018, 06:23 AM   #1 (permalink)
 
Join Date: Mar 2012
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Default Ok, I'll admit when I'm wrong

At least, to you lot... Just don't tell my wife.

Background: I learned finishing using an hvlp gun and automotive urethane from working on custom drums I used to build. One key lesson from years of spraying was- never, ever, rush a finish

When I picked up pen turning I took that to heart. I've used CA since I started but avoided accelerator religiously. Think I saw a few folks that had problems with it or something. My finishing schedule has always been to wait 30-40 minutes between coats. Which as you can imagine meant it took a long long time to finish a pen.

Yesterday I did my first pen using accelerator. Feeling a little foolish for all that time wasted over the years! I might actually enjoy turning wood pens again now.

I still admittedly say that using a paper towel to apply CA is silly and I will stick to my nitrile finger cot thank you very much :)
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Old 07-25-2018, 06:38 AM   #2 (permalink)
 
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Looks good Tim, Sometimes it's good to try different ways to get what you want.
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Old 07-25-2018, 07:54 AM   #3 (permalink)
 
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I have always said using paper towels is silly and wrong. After all paper towels is designed to ABSORB and not to apply. You end up with more waste than not. The nitrile gloves is good. As is anything PFTEE, Plastic bags the parts comes in etc. also waiting 40 minutes in a dusty shop is a 100% sure way to add inclusions into the finish ;)


I wrote this article on CA to help educate the public. https://www.claypenblanks.com/what-i...shing-101.html
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Old 07-25-2018, 08:34 AM   #4 (permalink)
 
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Quote:
Originally Posted by edstreet View Post
I have always said using paper towels is silly and wrong. After all paper towels is designed to ABSORB and not to apply. You end up with more waste than not. The nitrile gloves is good. As is anything PFTEE, Plastic bags the parts comes in etc. also waiting 40 minutes in a dusty shop is a 100% sure way to add inclusions into the finish ;)


I wrote this article on CA to help educate the public. https://www.claypenblanks.com/what-i...shing-101.html
Exactly my thinking with using paper towels, etc. I have to imagine it takes more coats since the material absorbs it and, as your tutorial points out, you're generating heat too. I keep a bag of finger cots around so I haven't tried using the plastic bags. I've definitely heard of them being used though.

And dust?? What dust? *cough*
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Old 07-25-2018, 08:47 AM   #5 (permalink)
 
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I like the thin craft foam that you can get in a 12 X 14 inch sheet for just over a dollar.

I cut it into 1 inch strips and then cut the strip into 6 or 7 inch long pieces. When to much CA builds up on the end of the strip I just cut it off and move up about an inch. No grooves left behind like I had when I used paper towels.

Also, some of the paper towels I used started to smoke while applying CA. Not sure if that was a potential issue or not. However, I stopped using that brand.
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Old 07-25-2018, 08:50 AM   #6 (permalink)
 
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It is an issue. Note in my article I caved smoking towels and why. Itís PH. Alkaline in the towels act as accelerator causing rapid polymerization.

One thing I would urge everyone to do is try odorless CA. Itís a slow polymerization and allow you time to wipe off excess, read 20 seconds.
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Old 07-25-2018, 08:51 AM   #7 (permalink)
 
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Also some CAís can and will bond the craft foam.
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Old 07-25-2018, 09:23 AM   #8 (permalink)
 
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Quote:
Originally Posted by eharri446 View Post
I like the thin craft foam that you can get in a 12 X 14 inch sheet for just over a dollar.

I cut it into 1 inch strips and then cut the strip into 6 or 7 inch long pieces. When to much CA builds up on the end of the strip I just cut it off and move up about an inch. No grooves left behind like I had when I used paper towels.

Also, some of the paper towels I used started to smoke while applying CA. Not sure if that was a potential issue or not. However, I stopped using that brand.
I have been toying with the possibility of moving to this type of foam to apply my CA. However, I like the paper towels to catch the excess CA when I apply the thin variety for my base coats. Does this foam do a good job of preventing you from flinging the CA everywhere, or are you applying it with a different method (i.e. lathe off)?
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Old 07-25-2018, 09:30 AM   #9 (permalink)
 
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Flinging CA? I can tell you when applied with a gloved finger at 500 rpms, there is no flinging. Seriously, give it a shot, I doubt you got back to using strange applicators :)
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Old 07-25-2018, 10:05 AM   #10 (permalink)
 
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I use paper towels. I can understand what others are saying about using finger cots, gloves, foam, etc. When I finish with a towel, I toss it on the floor and let it cool. I have plunged them in a can of water after use. To get rid of the fumes, I keep the hose to my Shop Vac on the lathe and turn the SV on. I tried accelerator but didn't get good results. I use my phone's stop watch to time about a minute between coats of thin CA. I bought some medium CA yesterday at WC to try what others have said- two coats of thin and then apply coats of medium.
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