Ceramic adhesive.

Ceramic adhesive.

This topic has 4 replies, 4 voices, and was last updated 20 December 2016 at 14:01 by Martin Connelly.

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20 December 2016 at 11:41 #272936
Nick_G
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@nick_g
.

Firstly I don't have a requirement for this, I am just curious.

Recently watched a clip on TV where they were fitting new valve seats into a car cylinder head. Head was machined out and a new valve seat blank was then fixed in using what they said was a ceramic adhesive. Once cured the new valve seat blank was then machined to size and shape.

Presumably this ceramic adhesive is able to withstand quite high temps once cured.

I am curious about this and all I can find on search engines is glues to fix broken ceramics.

Nick
Advert

20 December 2016 at 11:41 #24949
Nick_G
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@nick_g
20 December 2016 at 12:48 #272948
mgnbuk
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@mgnbuk
**LINK**

This US company does a lot of high temperature adhesives & coatings – maybe one of their products ? We get e-mails from them at work, but have not used them.

HTH

Nigel B
20 December 2016 at 13:18 #272956
Raymond Anderson
Participant
@raymondanderson34407
Nigel B, Just had a look at the website you linked to certainly Top notch, hi tec stuff and would no doubt have price tags to match. If that is what a firm needs to do the job then it's "pay up". Certainly rated at very high temps. I would not be surprised if the Space Shuttle used stuff like that.
20 December 2016 at 14:01 #272965
Martin Connelly
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@martinconnelly55370
Bricks are a ceramic and the adhesive used for them is mortar.Holts sell exhaust repair gun gum. This paste dries to what could be called a hard ceramic but it sticks well to the rusty finish on mild steel exhaust pipes and manifolds. I think it is mainly for filling potential leak paths rather than for use as a structural adhesive.

**LINK**

Martin
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