Permatex/Extreme rear view mirror professional strength adhesive

Not Vehicle Specific
Part Number: 81840

This item cannot be shipped to any US State, US Territory or US Military address.

Features & Benefits

Rearview Mirror Adhesive (Extreme strength) is a two part adhesive that permanently bonds metal mirror buttons to windshields.

  • Patent pending, medical grade towelette helps to minimize application messes and improve application accuracy
  • ODC free
  • OEM approved
  • Fast curing
Product Details
Part Number: 81840
Weight: 0.01 lbs
Curing Time (hrs): 30
Green Seal™-36 Certified: No
Package Contents: Adhesive, activator & towelette
Working Time: 1 Min
MSDS Information: Click to View
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    Permatex/Extreme rear view mirror professional strength adhesive

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    5 reviews


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    5

    This review is hidden because you have chosen to ignore Member 1949379424. Show DetailsHide Details

    Works as advertised

    After reading the negative reviews here I was skeptical. The rear view mirror on my 2004 BMW 525i detached itself on a hot sunny day while the car was parked. No idea what happened but i noticed that part of the windshield had broken off and was still attached to the mirror mounting plate. Since the outside of the glass was not damaged, I decided to try a repair first. If that didn't work, a new windshield would likely be required.
    I used the adhesive per the instructions, making sure that i positioned the mirror mount precisely in the right position as i knew there would only be one chance. I held it tightly in place for 1 minute as instructed. I did wait a full 24 hours before re-attaching the mirror (the instructions state 45 mins). I just re-attached the mirror and although it was very tight (you have to twist the mirror 45 degrees and it takes a LOT of force) the mount stayed secure. Now let's just see if this repair lasts! All in all this product worked as advertised and it is holding my heavy rear view mirror (so far).

    Pros: Very easy to apply, strong

    Cons: Good for only one attempt so be careful

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    1

    This review is hidden because you have chosen to ignore Member 500827423. Show DetailsHide Details

    Extreme like knitting

    Picked this up. Followed instructions. Mirror fell off in ten minutes.

    Cons: Works slightly less well than bubblegum

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    1

    This review is hidden because you have chosen to ignore Member 148092666. Show DetailsHide Details

    Bad Product!!

    1 of 1 people found this helpful

    Don't waste your money and time on this adhesive! It's labeled "Extreme Adhesive" but I found that it doesn't seem adhere to the glass at all.
    I followed the instructions to a tee, cleaned the glass with the towelette let the primer dry for two min. put one drop of glue on the metal mirror button pressed on for one min. let it sit for 1.5 hours started gently installing the mirror and it popped right off. I had enough product to try it again, scrapped off glue from both surfaces cleaned, primed this time I tried two drops held on 60 sec. let it sit for 24 hours and same thing. The mirror popped off in my hands
    Going back to AutoZone and see what they say, I'll let you know.......

    Pros: None

    Cons: Bad adhesive qualities

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    1

    This review is hidden because you have chosen to ignore Member 409601184. Show DetailsHide Details

    Save Your Money

    2 of 2 people found this helpful

    I should have researched this product before I bought it but was in a rush. I followed the prep instructions very carefully, used the recommended amount of glue, waited for it to cure, and then the metal button just popped off. The second time I tried it, same thing, only this time the button came off within 5 minutes without touching it.
    I ended up using Gorilla brand super glue and it worked the first time, absolutely no problem! I will be sending Permatex an email letting them know about this product failure as I am not the type of person likes to invest in worthless junk, not to mention a lot of wasted time. Auto Zone please pull this from your shelves, it's that bad.

    Pros: Carton is recyclable

    Cons: Doesn't work

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    1

    This review is hidden because you have chosen to ignore Member 1239893402. Show DetailsHide Details

    Major Fail

    2 of 2 people found this helpful

    Simply did not work. I followed the directions to the letter. I let the stuff dry overnight just to make sure the bond was secure. The next morning I went out and the metal button felt like it was secure enough. I mounted the mirror, tightened the set screw, and as soon as I adjusted the mirror, it popped right off in my hand! I went to the local Glass Doctor, where I had my windshield replaced several years ago. The tech came out and had some stuff from Loctite. It was also a two-part adhesive. He cleaned the glass, sprayed on the activator, put some glue on the metal button and within 30 seconds he was mounting the mirror! I couldn't believe it. I asked if that stuff was available and he said it was, but it was about 40 miles away and not generally sold retail. It was a fairly large spray can of activator and a fairly good-sized bottle of glue as well, much more than you'd buy to do just one mirror. He did it for free so that was great. I'm not sure if the Loctite brand is better as I didn't want to keep experimenting since it didn't feel safe without a rear view mirror. I'd give any brand you buy one chance since many have said it worked for them, and if it doesn't work, then hit up an auto glass dealer. If they don't do it gratis, it should be fairly cheap. Oh, one more thing. My mirror is on a 1991 Olds 98, which has some automatic dimming feature, so it is a fairly heavy mirror. That might have had something to do with it, but the instructions also say to use just one drop, which is a very tiny amount for the size of the metal button. I did not see how much glue the tech used. Good luck to everyone.

    Pros: Not very expensive

    Cons: Just didn't work

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    Edited on 7/17/2014 by Editor

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