[Boatanchors] Repairing Ceramic

[rbethman]

Try two part 24HR epoxy.

Thin it with a couple of drops of alcohol.  Paint it on with a throw 
away brush.

It takes awhile to set up, but it is very thin.

We used to do that in the engine area and fuel tank area of R/C aircraft.

It will do very well.

Bob - N0DGN

On 10/1/2012 6:24 PM, J. Forster wrote:
> If it's a clean break, you do not want a filled adhesive, which widens the
> glue line.
>
> YMMV,
>
> -John
>
> ==========
>
>
>> Loctite 1C two part high temperature epoxy
>> Sets up to tacky very quickly, 24 hours to strength
>> White color, looks exactly like ceramic or porcelein
>> Hard as all get out when set
>> Withstands imersion in boiling water!
>> We have used it to cement thermocouples to electric water heating elements
>> for lab measurements. Pretty good if it can do that and survive.
>> Paul K0UYA
>>
>> ----- Original Message -----
>> From: "J. Forster" <jfor at quikus.com>
>> To: "Bob Sullivan" <robert at isquare.com>
>> Cc: "Boat Anchors List" <boatanchors at mailman.qth.net>
>> Sent: Monday, October 01, 2012 3:57 PM
>> Subject: Re: [Boatanchors] Repairing Ceramic
>>
>>
>> I would not use quick set epoxy as it might thicken before fully flowed.
>>
>> Option 1:  Corning made some special ceramic glue for repairing china. It
>> could be used on teapots and cups and would survive the dishwasher. If
>> that is still available, it'd be my first choice.
>>
>> Option 2: Use a clear, unfilled, two part, slower setting epoxy. Warm the
>> pieces a bit before applying the epoxy so it flows better. Try and make
>> the glue line as thin as you possibly can. Clamp, or use rubber bands to
>> hold it together. Remove any surface excess with alcohol or acetone while
>> unset.
>>
>> FWIW,
>>
>> -John
>>
>> ===============
>>
>>
>>> Listmates,
>>>
>>> I have a cracked ceramic (steatite?) support on the large plate tuning
>>> capacitor in a Viking 500. It's a nice "clean" crack. I would like
>>> suggestions for the best glue to use for repair. I would assume quick
>>> set
>>> epoxy would be okay but thought I better ask ...
>>>
>>> 73, Bob
>>> WØYVA
>>> http://www.isquare.com/personal_pages/ras-hardware.htm
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