Glue for PLA

[DBFIU]

Hey, I am using Cyanoacrylate to bond PLA together. It causes the plastic to discolor and turn white, is there a strong glue that will not do this to PLA?

Thanks

[bford903]

Might try some Epoxy 330. No fumes. Bonds very well.

[grezmel]

Epoxy works well for me as well

[DBFIU]

How long does it take to set?

[bford903]

It takes about 15 minutes to thicken, and a couple hours to fully harden. It will harden in 10 minutes under a heat lamp but that may deform your PLA.

[DBFIU]

Once both tubes are opened, will they dry out and crack or do they stay usable again? I hate opening glue tubes and then coming back in 2 months to a hardened rock of glue.

[bford903]

They remain usable. Don't know what the shelf-life is. I've used some that was several years old and it held just fine.

[Roxy]

I use #4 SciGrip. It is a knock off of #4 Weld-On. It dissolves and melts the PLA plastic together. It forms a very strong bond. There is no discoloration and nothing in the joint but PLA plastic.

http://www.ebay.com/itm/IPS-Weld-on-...item2ebe7161d6

[DBFIU]

Thanks guys

[curious aardvark]

I use this stuff: http://www.amazon.com/Glue-Sticks-UH...hu+all+purpose

But it's way way cheaper in the uk. I get 60ml tubes from the pound shop :-)

Sticks anything, particularly good with pla to pla or indeed pla to anything else. Sets almost as quick as super glue and you only use a very thin smear.
Also sticks abs.