Gorilla Glue - Simian Strength!
Dec 8, 2004 (Updated Jan 5, 2005)
Review by tmm2112
Rated a Very Helpful Review
Pros:Very strong and versitile
Cons:Foams like crazy, dries slowly
The Bottom Line: Strong glue, good value for price, foams a lot, dries slowly.
This glue does not monkey around! The name certainly caught my attention and I read the label wondering if it was rally any good. No doubt you're wondering how it compares to the top name products that most folks reach for when they face a minor household repair job, namely Super glue and Krazy glue. Sure, there are plenty of other contenders, but face it, these two guys rule the power glue market.
Recommend this product?
Gorilla glue is strong. Just how strong, in terms of torque or ft-lbs, I can't say, but I've glued lots of items with this compound and they pretty much all stick. I even glued one of the side mirrors back on my car after foolishly knocking it off with my motorcycle. It hung there, pitifully dangling from the control wires, teasing me with the hundreds of dollars it would take to replace it (it's an import, you know). So a few squirts of Gorilla Glue and what do you know, it is now a fixed side view mirror. I even bumped into it again but Gorilla Glue held.
What a glue sticks to is the other most important feature. Gorilla glue is definitely friendly to just about any plastic, wood, metal, ceramic, glass or composite material. Metal gives it some difficulty if the surfaces are really smooth and the break is small. It will stick to fabric, but there are some drawbacks. See the Bad Bananas section for details. Ceramics, glass and other brittle materials also present a problem. As long as you have a large surface area, you are fine. But a break on a small diameter glass stem, say, with all that weight of the glass on the top is going to cause the glue to fail. First of all, the glass is very smooth and does not give the glue much to adhere to. And the small surface area limits its performance further.
Unlike Krazy glue and Super glue, Gorilla Glue will not solidify in the container as long as you keep it sealed. Thus, it has a long shelf life (1 year according to the label but that is an understatement). It is also fairly viscous, which makes it easier to apply and control. I use a toothpick to apply it to smaller breaks.
Gorilla Glue foams. This appears to be the secret to its strength and ability to bond to a wide range of materials, but it is also a problem with many applications. If the item you want put back together also happens to be a very visible object, then you are going to have to be VERY careful with Gorilla Glue. You must use it very sparingly and you must clean ANY and ALL glue that seeps outside the break. This seepage will foam up and become very visible when dry. It is a pale yellow color and foams several times its original volume. This is not a problem for breaks that are concealed, so use it liberally there. Also, be careful with any cloth it comes into contact with. Gorilla Glue will stain cloth.
Unlike the other two leading power glues, Gorilla Glue is quite slow to dry, about 2 hours under most indoor conditions. This means you must brace or clamp many objects temporarily until the glue dries. Be careful not to accidentally glue the brace to the object in the process. One side benefit to this slow drying is that GG is easier to work with. You can pour a small portion out on a paper plate and use a toothpick to carefully apply small dabs to a broken object. No need to hurry, you have at least 15 minutes before the glue begins to foam and solidify.
Gorilla Glue is competitively priced compared to Super and Krazy glue. A 2 oz. bottle will run you about $5, compared to the little 2 gram (much less) tubes at about $3 each. And because GG does not set up in the bottle, it will last you much longer. Based on my experience, the amount of glue needed to repair a break is about the same for all three of these products.
Because of the dry time and foaming, there are some jobs better suited to the quick dry characteristic of Super glue and Krazy glue. But for most of my power glue needs, I like Gorilla Glue better because of the time it allows me to work on resetting the broken object. And because it tends to resist setting up in the bottle, I always know I have some available. With Super and Krazy glues, I always had a tube around, but if it had been opened it was usually solidified and a trip to the store was necessary to get more.
Objects I have repaired with Gorilla Glue
For reference, I'll list some items I have repaired and its primary materials.
car side mirror - painted plastic
Santa Claus stocking hanger - some kind of composite material
PDA belt clip - metal to leather
coffee mug handle - ceramic
Various toys - plastic, of course
Sneaker soles - rubber
For heaven's sake, do not allow your kids to get into Gorilla Glue. They will get it all over the place and themselves and maybe even in their eyes. It is toxic and cannot be consumed or otherwise used on humans so be careful when using it and keep the bottle stored out of reach of kids and animals. I do not know what chemical will remove GG if you do happen to get it on your hands, but remember, because it is slow to dry, you can easily wipe it off as long as you do so quickly.
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