What type glue is best for bonding glass to aluminum

bazar01 · 08-01-2010, 08:34 PM

What type of glue is best for bonding the glass bottom to the aluminum base. I used a 5 minute epoxy last month and it already pulled out in less than a month.
Thanks.

rcair3d · 08-01-2010, 08:47 PM

Have you tried Rear view mirror glue? Maybe try cyanoacrylate from a local hobby store, thin viscosity will work best but can get messy if you are careless.

tiFreak · 08-01-2010, 10:29 PM

maybe the adhesive for windshields? I figure it's probably good at creating a strong bond between metal and glass, not sure where you'd get it though

bazar01 · 08-01-2010, 11:30 PM

Ok, I'll try the cynoacrylate "super glue" and see how long it holds up.
Thanks.

**cooljess76** · 08-01-2010, 11:53 PM

Dow BetaSeal or 3M Windo-Weld.

rcair3d · 08-02-2010, 12:32 AM

Standard superglue is not the same. Viscosity is everything. Standard "super glue" is a "ultra thick" viscosity. That is why it is not a good contender for very smooth applications. Trust me on this one my family has owned a hobby shop for my entire life.

bazar01 · 08-02-2010, 02:05 AM

Quote:

Originally Posted by cooljess76

Dow BetaSeal or 3M Windo-Weld.

Where can you get this type of glue? Autoparts store?

bazar01 · 08-02-2010, 02:10 AM

Quote:

Originally Posted by rcair3d

Standard superglue is not the same. Viscosity is everything. Standard "super glue" is a "ultra thick" viscosity. That is why it is not a good contender for very smooth applications. Trust me on this one my family has owned a hobby shop for my entire life.

We don't have a hobby shop nearby. I am going to Atlanta this coming Friday and I should be able to find one and since the car is in Atlanta, it is perfect. So I need to find one that is less viscous and more free flowing than superglue.
Thanks.

**J!m** · 08-02-2010, 02:28 AM

Most 'real' auto parts stores (such as NAPA) sell the rear view mirror adhesive kits. That's a good bet.

Since it is aluminum, you have a problem with oxidation.

Clean the glass several times with Acetone. Use a clean white wiper and clean it until the wiper stays white. Very important step!

Then you need to clean the aluminum. The best thing is to grit blast it with fine grit (not glass beads). It will oxidize immediately; however the surface profile will allow it to bond mechanically.

Otherwise, polish the aluminum to a bright mirror lustre. Once it looks like a mirror, clean it several times with Acetone, like the glass (until the wiper stays clean) to remove all the polishing agents and then apply the adhesive per the instructions.

THAT should last a while!

**cooljess76** · 08-02-2010, 02:31 AM

Quote:

Originally Posted by bazar01

Where can you get this type of glue? Autoparts store?

Nope, it's a commercial product used at auto body shops and auto glass shops. This is the actual stuff that is meant for the job, I wouldn't recommend anything else. I had a really difficult time tracking it down, I ended up buying a tube of BetaSeal from my local body shop for 25 bucks, then a couple months later my neighbor gave me a couple of tubes of 3M Windo-Weld. They're basically the same thing, just one is made by Dow and the other is made by 3M.

bazar01 · 08-06-2010, 11:30 PM

Just got the chance to remove the door panel and to see what was wrong with the glass window, The glass was sitting in the bottom of the door.
It's fixed now. Thanks.

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