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AR15.COM
1/10/2008 8:48:53 AM EDT
I need a plastic epoxy that once it sets up I can sand it down to the desired shape I need. I bought some from ace that has the two seperate things that you mix, but it won't set up hard enough.
1/10/2008 8:50:05 AM EDT
[#1]
J-B Weld, you can drill and tap it, when it sets up.
1/10/2008 8:50:32 AM EDT
[#2]
I'd use Devcon plastic steel.  Read the instructions and follow them.  Clean all surfaces, make sure the temperature is adequate.  Mix thoroughly (use a timer).
1/10/2008 8:51:48 AM EDT
[#3]
How about boat epoxy resin with chopped fiberglass inside.  That's what I use to fix the surfboard and it sands to shape really well. The other thing I was thinking about was that two part epoxy putty stick, but I dont know how well it sands.
1/10/2008 8:59:37 AM EDT
[#4]
I like jb weld, does it stick to plastic? I only need it for a very very small area on my glock trigger.
1/10/2008 9:01:16 AM EDT
[#5]
JB sticks to plastic.
1/10/2008 9:02:00 AM EDT
[#6]
I'll give that a shot then. thanks
1/10/2008 9:04:08 AM EDT
[#7]

Quoted:
I need a plastic epoxy that once it sets up I can sand it down to the desired shape I need. I bought some from ace that has the two seperate things that you mix, but it won't set up hard enough.


There are different qualities of what I think you are using, generally refered to as "plumber's epoxy".  I also have bought some store brand kneadable epoxy putties and been sorely disapointed.  The stuff may also have been setting on the shelf for a long time, and if you can smell it, then molecules are transfereing inside the package.  The JB Weld version of epoxy putty should be of sufficient quality for your application.