What type of epoxy, glue, etc should I use ?
#1
04-14-14, 12:13 PM
Join Date: Apr 2005
Location: Arizona, USA
Posts: 164
What type of epoxy, glue, etc should I use ?
I hope I am posting in the right section.... I am involved in a project where I have to permanently attach (glue) tiny metal pieces to circuit boards that can be so strong to act like screws. I tried different material like epoxy, super glue, liquid nails, etc without success. After a short while, these pieces would come loose due to normal use. I can not use screws or solder to hold these pieces in place. It must be some kind of liquid material. What is the toughest, strongest kind of material can I use ? Thank you.
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#3
04-14-14, 12:45 PM
Group Moderator
Join Date: Mar 2003
Location: NC, USA
Posts: 18,573
You say the parts come loose. How and where is the failure occurring?
If you've tried all those materials it sounds like you need to go a totally different route wither with a mechanical fastener or redesign it so the part is not overloading your ability to mount it. I know you're going to say "but I want/need this part right there and don't want to change anything" but not everything is possible. You've tried a wide variety of adhesives and they have all failed.
If you've tried all those materials it sounds like you need to go a totally different route wither with a mechanical fastener or redesign it so the part is not overloading your ability to mount it. I know you're going to say "but I want/need this part right there and don't want to change anything" but not everything is possible. You've tried a wide variety of adhesives and they have all failed.
#5
04-14-14, 04:44 PM
Group Moderator
Join Date: Dec 2004
Location: USA
Posts: 21,098
I'd try PC7 epoxy. It's a 2 part paste that you mix together and its pretty thick. When it sets up it's like iron. I think it would probably work pretty good. You'd mix it up and put some on the board, then some on the piece and then push them together. I think it sets up in 30 minutes if I recall. Clean your tools with acetone.
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