Videokarma.org

Go Back   Videokarma.org TV - Video - Vintage Television & Radio Forums > Early Color Television

Notices

We appreciate your help

in keeping this site going.
Reply
 
Thread Tools Display Modes
  #1  
Old 04-07-2011, 08:44 PM
Findm-Keepm's Avatar
Findm-Keepm Findm-Keepm is offline
Followin' the Rules...
 
Join Date: Jun 2007
Posts: 2,857
Quote:
Originally Posted by VintagePC View Post
If the PVA is indeed polyvinyl alcohol "PVA", then water solubility is really the only way to go. It essentially turns gummy after a while. If you can get some water circulation going it would certainly speed up the process. (a small aquarium pump directed at the PVA might help).
It's actually of the family of Polyvinyl Acetates - kinda like fancy elmers or wood glue.


Later they used polyepoxides - no cutting through that stuff! Patent 3,265,234 from Union Carbide spelled the death of PVA resins, I imagine.

Cheers,
__________________
Brian
USN RET 22YRS (Avionics/Cal)
CET-Consumer Repair and Avionics ('88)
"Capacitor Cosmetologist since '79"

When fuses go to work, they quit!
Reply With Quote
  #2  
Old 04-08-2011, 06:25 AM
VintagePC's Avatar
VintagePC VintagePC is offline
Tube bug got me 05/2010
 
Join Date: May 2010
Posts: 535
Quote:
Originally Posted by Findm-Keepm View Post
It's actually of the family of Polyvinyl Acetates - kinda like fancy elmers or wood glue.

Cheers,
Polyvinyl acetate is soluble in VOCs... I wonder if acetone might help then. (or ether if you can get it, but it's a little less "safe" to work with.)
Reply With Quote
Reply


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -5. The time now is 01:50 PM.



Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2026, Jelsoft Enterprises Ltd.
©Copyright 2012 VideoKarma.org, All rights reserved.