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"Mixing CA superglue with epoxy" Topic


14 Posts

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569 hits since 16 Jan 2017
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Comments or corrections?

alan lockhart Supporting Member of TMP16 Jan 2017 2:41 p.m. PST

Did I read correctly about mixing these glues to provide an immediate bond while the epoxy glue sets?

If there is such a technique, does it really work and how much CA should be in the mix?

MajorB16 Jan 2017 2:44 p.m. PST

Never heard of that idea. Sounds crazy to me.

nnascati Supporting Member of TMP16 Jan 2017 2:49 p.m. PST

I often mix white glue and super glue for a stronger bond when assembling metal figures.

FusilierDan Supporting Member of TMP16 Jan 2017 2:55 p.m. PST

I've tried to use both on the same joint. On larger ones it worked as I could join part with the CA and put epoxy on the rest. On small joins the two just mixed and neither would set.

I did read what you propose but can't say it worked for me. Maybe a 5 minute epoxy on part and a longer one would work together.

JimDuncanUK16 Jan 2017 4:04 p.m. PST

I often use brush on superglue on top of contact adhesive (Bostick or UHU) for a firmer hold.

Personal logo Cyrus the Great Supporting Member of TMP16 Jan 2017 4:32 p.m. PST

On a large join area you can do this by having one area with epoxy and another area for super glue, but not by mixing the 2 together.

alan lockhart Supporting Member of TMP17 Jan 2017 3:01 a.m. PST

Many thanks. I thought as much.

Alan

Thomas O17 Jan 2017 7:31 a.m. PST

As Cyrus said put the mixed epoxy on one part the the Super Glue on the other it will accelerate the set time to almost instantly. I have done this when epoxy gluing parts together that are hard to clamp for a quick set.

Also white glue will make Super Glue set faster and help to fill in gaps.

dampfpanzerwagon Fezian17 Jan 2017 8:33 a.m. PST

I have not heard of them being mixed.

I have used a superglue – Milliput (or Green Stuff) – superglue sandwich when joining two metal castings.

the glue sets solid, holding the epoxy putty in place and fills gaps at the same time.

Is this what you meant?

Tony

Personal logo The Nigerian Lead Minister Supporting Member of TMP17 Jan 2017 8:45 a.m. PST

Yes, I have found that it works and provides an immediate strong bond. Five minutes epoxy underneath and some super glue on the top to hold it together while the epoxy sets. It also seems to cause the epoxy to set quicker. It's a bit messy at times so I only use it when the joint is awkward.

Personal logo Cyrus the Great Supporting Member of TMP17 Jan 2017 8:56 a.m. PST

I will try this again, because it is apparent, I did not make myself clear. I only do this for large join areas with 2 or more surfaces on the join. I put super glue on one surface of the join and epoxy on another surface of that same join. At no time do these 2 glues mix. The other piece that's be joined has no glue on it so super glue glues into a surface and epoxy glue glues into another a surface. I use this for large metal or resin castings.

alan lockhart Supporting Member of TMP18 Jan 2017 11:37 a.m. PST

Again, many thanks.

CeruLucifus19 Jan 2017 8:30 p.m. PST

You put epoxy on most of the face and superglue on the rest of it, then stick them together.

When it works right the superglue holds the parts together and the epoxy sets in place.

Often it doesn't work right. The epoxy flows over the superglue or the superglue is just plain not reliable. I generally only try it when I can't rig a pin or clamp to hold.

A better version of the same idea is to mix a tiny blob of green stuff or other epoxy putty and use its stickiness to hold the parts together. Press the parts together to squeeze the putty into a thin film that shows no gap. Then pull apart and apply epoxy and stick back together.

GypsyComet14 May 2017 7:29 p.m. PST

I briefly did the green stuff trick but with white glue, using it to create a gasket between less than perfectly fitting parts. I would then pop it apart and use superglue on the parts and the gasket.

This evolved over time and impatience into a thin smear of white glue on one part and superglue on the other. If the proportions are right this sets very quickly, fills gaps, and forms a nice strong bond. If the proportions are not right you might get one of the three…

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