Technical Review: Adhesives & Sealants

DzlToy

Explorer
I saved this in my notes a few years ago and came across it to looking for shear strength numbers. It is geared towards the marine environment, but the article has quite a bit of good info. Getting the right product for the right job, is key. Don't just buy what is at Home Depot because it's on the shelf or because your buddy told you to buy it.

Example: I know someone who needed to bond an HDPE plastic to smooth, painted concrete. Several highly specialised products were found, but as you can imagine, these were neither off-the-shelf, nor inexpensive. Off to the box store goes the customer, who completed the install himself, using some kind of store bought construction adhesive. All of the bonds failed within a few months. He is now redoing them all with the right adhesive, at considerable expense. If a $5 tube of caulking were the solution, a $50 tube of adhesive with millions of dollars in research behind it, would not exist.

 

Superduty

Adventurer
It will be interesting to see how long the new $50 adhesive bonds the HDPE to the smooth painted concrete. Please give us an update in a few months and then a year.
 

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