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Vacuum sealants for hight temparature

by drophy
Tags: hight, sealants, temparature, vacuum
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drophy
#1
Apr6-07, 05:01 AM
P: n/a
Hi,
I am looking for a vacuum sealants for 300-700 degree C, Would someone
recommend to me a good solution?

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Uncle Al
#2
Apr6-07, 05:01 AM
P: n/a
drophy wrote:
>
> Hi,
> I am looking for a vacuum sealants for 300-700 degree C, Would someone
> recommend to me a good solution?


700 C demands metal or ceramic faces. Silicone, phosphazine,
fluorinated organics won't nearly survive it; Grafoil will react with
air and metal. Stainless steel all by itself won't like 700 C.

--
Uncle Al
http://www.mazepath.com/uncleal/
(Toxic URL! Unsafe for children and most mammals)
http://www.mazepath.com/uncleal/lajos.htm#a2

Uncle Al
#3
Apr6-07, 05:01 AM
P: n/a
drophy wrote:
>
> Hi,
> I am looking for a vacuum sealants for 300-700 degree C, Would someone
> recommend to me a good solution?


700 C demands metal or ceramic faces. Silicone, phosphazine,
fluorinated organics won't nearly survive it; Grafoil will react with
air and metal. Stainless steel all by itself won't like 700 C.

--
Uncle Al
http://www.mazepath.com/uncleal/
(Toxic URL! Unsafe for children and most mammals)
http://www.mazepath.com/uncleal/lajos.htm#a2


Joseph Warner
#4
Apr7-07, 05:00 AM
P: n/a
Vacuum sealants for hight temparature


"drophy" <drophy2000@gmail.com> wrote in message
news:1175730750.296017.236790@d57g2000hsg.googlegroups.com...
> Hi,
> I am looking for a vacuum sealants for 300-700 degree C, Would someone
> recommend to me a good solution?


Look at silver solder for under 600 C. Look at silver and gold for below 700
C.

Try contacting Indium Corp of America. They make lots of different solders
at various melting points.

Also, look into brazing.


#5
May4-07, 05:00 AM
P: n/a
In article <46150B31.58144EC6@hate.spam.net>,
Uncle Al <UncleAl0@hate.spam.net> wrote:
>drophy wrote:
>>
>> Hi,
>> I am looking for a vacuum sealants for 300-700 degree C, Would someone
>> recommend to me a good solution?

>
>700 C demands metal or ceramic faces. Silicone, phosphazine,
>fluorinated organics won't nearly survive it; Grafoil will react with
>air and metal. Stainless steel all by itself won't like 700 C.
>


stainless knife edge in Cu gasket, look at the Kurt Lesker catalog

sidd



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