• pvsage
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  • From: Section Six
  • Registered: 2009-10-18
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Topic: battery bumper adhesive

I'm sure that, with all the great forum members here, we "have a working knowledge of the entire universe and everything it contains"...including Radiohead.  (Big Bang Theory reference...sorry 'bout that. roll)

I recently bought a big, fat replacement battery for my netbook.  The original battery was a 3-cell unit; the new one has 8 cells.  The extra cells are contained in a rather bulbous extension to the regular brick-shaped battery profile, making it act as a rear foot, which elevates the keyboard to a more comfortable angle and improves ventilation under the netbook.  It works great, but I'm having one tiny problem...with the bumpers.

Since the battery lifts the netbook off its regular footpads, the battery manufacturer added two little rubber bumpers on the bottom.  I carry this netbook with me to work in a backpack, and the bumpers keep getting knocked off when I pull it out.  They're held on with the same gummy adhesive that just about everyone uses to attach EPDM (or whatever they're made of) to ABS, and I was hoping someone here had ideas for an alternate adhesive that will hold them on better.

This isn't the first time I've had trouble with this kind of bumper coming unstuck, so I figure someone with more knowledge of adhesives has had similar trouble and found a reasonable solution other than "Just pull them off & throw 'em away."

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  • Registered: 2009-11-03
  • Posts: 2,009

Re: battery bumper adhesive

My Lenovo netbook has the same kind of extended battery, Works great. Well, it used to work great, but it's been through a good few cycles and isn't as good now :-\

Firstly, you 100% sure those bumpers are made of rubber and not some silicone/botox bi-product?
I'm asking cos they're quite different when it comes to the adhesive needed.

If they're rubber, the best I've used are those weatherproof types available at autoparts dealers. The type they use to stick rubber to painted plastic body panels. Be careful though, they're extremely sticky out of the tube and tend to be clumpy. Best to use a very thin stick/spatula (toothpick size) when applying. Once dry, they're almost impossible to remove without damage, so you gotta get it right first time out. Some brands are better than others, obviously. Not sure what's available there, but the dude at the store should be good with recs. The real good brands are good for brackets/bungs on dirt-bikes, which means good for just about any kind of abuse a person can give it.

If it's silicone or similar, it tends to be a bit finicky. you need to clean both surfaces (the silicone and the plastic it's gonna be stuck to) as best you can. After that use the usual spray adhesive (3M is the most common, I figure) and follow the application instructions... and hope.

Sorry if I'm stating the obvious. That's all I know. sad
If you've got problems with your kart or motocross bike, on the other hand, I could write you a thesis!! tongue

Point & Squirt
  • pvsage
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Re: battery bumper adhesive

I'm pretty sure it's the same material as the original footpads...whether that's latex, EPDM, or silicone is a good question.  I suppose I could put a drop of semi-dry silicone chain lube on one and see if it starts to degrade...I know silicone lubricants are destructive to TMI.

I *am* willing to replace them with a material of known composition...

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  • From: Washington State
  • Registered: 2011-09-01
  • Posts: 880

Re: battery bumper adhesive

^ if it is indeed rubber.. mr33 super glue for rubber is a great adhesive. I used it a few weeks ago on the padding for my monitor.. and I think that it melts the rubber and plastic together.

I'm pretty sure that zombies really do exist...
MrPeachy's v9000      Sector11's Conky PitStop      My Gallery
  • From: the Netherlands
  • Registered: 2010-03-07
  • Posts: 972

Re: battery bumper adhesive

We should have more topics like this... A whole new world of advertisements opens for me. smile

Privacy & Security on #! - Application List
  • Registered: 2011-09-03
  • Posts: 97

Re: battery bumper adhesive

Alright guys, time for me to chime in?

My low-cost solution to this is simply Bluetack.

It's not something I've gotten around to tying out myself yet. But I'd assume that once you molded a piece just right, and left it there long enough to go hard (you know? When you have to ply it about before you can use it? Like that). Even if it were to come off, you just shove it back in place. Also, it'd still be pretty good on grip and shizz, right?

I'm really interested in how you solve this issue!! Please keep us posted. ^_^

If I make people laugh, that makes me pleasant, right?

What if I make people laugh about unpleasant things?
  • pvsage
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Re: battery bumper adhesive

^ When I do, I'll also post it in the pedals thread at Wattkins.  (Yes, we build and use tube amps, but we also use 3SBs (solid-state stomp boxes) when we need them.)  The bumpers a lot of us use on pedals have similar adhesive backing, so this isn't an uncommon problem for us either.

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  • From: Vancouver Canada
  • Registered: 2008-12-04
  • Posts: 156

Re: battery bumper adhesive

For those bumpers try Goodyear Pliobond. I've used it for years for various projects. Good stuff. The pads you were talking about would probably work using the same stuff if you rough them up with some course sandpaper first.

"Theory and practice sometimes clash. And when that happens, theory loses. Every single time." Linus Torvalds
  • pvsage
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Re: battery bumper adhesive

^ ...or a bicycle tube scraper cool...

EDIT:  Idea: tube patch adhesive!

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  • From: Vancouver Canada
  • Registered: 2008-12-04
  • Posts: 156

Re: battery bumper adhesive

^"tube patch adhesive!" Worth a try. It's cheap and easy to find at any bicycle shop.

Edit: Pliobond is the indrustrial strength version of that stuff.

Last edited by Anaconda (2012-02-02 07:16:44)

"Theory and practice sometimes clash. And when that happens, theory loses. Every single time." Linus Torvalds
  • pvsage
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Re: battery bumper adhesive

Actually the first idea I had is truly low-tech, even MacGyveresque.  It has a light side (latex-based pressure-sensitive adhesive) and a dark side (vinyl-coated fabric) and is probably available with some kind of rubbery backing instead of the standard vinyl...

while ( ! ( succeed = try() ) );
  • From: Vancouver Canada
  • Registered: 2008-12-04
  • Posts: 156

Re: battery bumper adhesive

Ya know..... All this talk of "MacGyveresque" solutions gave me an idea. I've got a tower that needs two replacement rubber feet on the bottom. I think I'll go out to the back yard and carve a couple of chunks off of an old tire and trim to fit the job. Now where did I put that bottle of Pliobond? big_smile

"Theory and practice sometimes clash. And when that happens, theory loses. Every single time." Linus Torvalds
  • pvsage
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Re: battery bumper adhesive

I just had to replace another tube on my Urban Commuter Vehicle (also known as a MTB)...yet *another* galvanized roofing nail that found its way to the curb...maybe put some Pliobond on a strip of the tube rubber!  (I keep wanting to get a 5 pound box of those nails and put them on the pavement of the turning lane into the shopping center where I work...let those contractors see how much fun it is to have to fix flats or dodge nails. mad  Probably be a lot of collateral damage though.)

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