What is the recommended adhesive for rubber to metal? .... Have bellows keeps popping off an ocular.
Adhesives?
- Thread starter finnbear270
- Start date
Bavarianbrit
Well-Known Member
Sticky contact adhesive.
Evostick type , let it dry some and apply to both sides . Make sure your all good with the alignment because done right it will grab real fast ! Used to do this a lot when i built Gym equipment
Think maybe Stormsure in black may fit the bill? It performed well on a few things here before.
I was looking at Loctite 480, but seems hard to source without travelling into a metropolis.
I was looking at Loctite 480, but seems hard to source without travelling into a metropolis.
I don't think so. It wouldn't stick well to the rubber, and it wouldn't be flexible enough when set to cope with movement in the rubber.
As others have said, use a contact adhesive, apply to both parts, allow to dry to tacky, and then press together.
Or maybe something like "shoe goo", as is used for boot and shoe repairs?
samdk
Well-Known Member
For rubbers I use CT1 which flexible, waterproof and is available in many colours. It has never let me down!
CT1 - CT1
CT1 will successfully bond: Metals (including lead) Glass Mirrors Wood Polystyrene Unique adhesion on virtually any material in most applications without the need for additional fixings. CT1 is the ultimate solution for sealing.
www.ct1.com
I would use super glue, it works so well with neoprene rubber when making O rings.
I used it to make eye cups on mum's binoculars and my rangefinder...I made an O ring to fit the eyepiece groove and then glued the squeegee rubber to it...maybe you could do something similar with your bellows?
Improvement to laser rangefinder with home made eye cup
I was unable to find any replacements for the perished eye cups for my mum's old binoculars so ended up making some. They worked out okay and while making them I realised that I could improve my rangefinder with one. A great improvement, you can use it one handed now. Before it was a bit...
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I also used it to repair my Buttolo when that perished...reinforced with yet another O ring...messy but it is still holding after a couple of years.
If you use a contact adhesive I would use Thixofix, which has the advantage of no stringing and affords a bit of slide before final grip unlike the Evostik type.
Alan
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The advantage of not glueing the bellows to the metal (or rather surface coating of the metal) is obviously that you can continue to take it off if you need to...so reinforcing the existing grip of the bellows with an O ring would be advantageous from that point of view.
Do a proof of concept by just wrapping an elastic band around the outside of the bellows to help keep it in the retaining groove?
Another thought...cut a dart out of the bellows and superglue back together thus reducing the diameter and increasing the grip?
Alan
Do a proof of concept by just wrapping an elastic band around the outside of the bellows to help keep it in the retaining groove?
Another thought...cut a dart out of the bellows and superglue back together thus reducing the diameter and increasing the grip?
Alan
Last edited:
3M adhesive. It comes in several different versions. IIRC, "Super 88" was best for rubber to metal/wood. Worked well enough for rubber, glued to magnetic antenna mount bases, that I had to fabricate for a military customer. The metal decayed long before the rubber came loose after 9 months at sea.
Koenig
Well-Known Member
Me too.I use two cable ties, not pretty but effective.
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