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Glass to metal seal



 
 
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  #1  
Old July 18th 08, 10:11 AM posted to rec.crafts.glass
[email protected]
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Posts: 1
Default Glass to metal seal

I hope my question is within the topic of this group.

Could anyone tell me if glass tubing can be fused to stainless steel
tubing with a hermetic seal?

If so, are there special techniques/methods that need to be followed?

Would a scientific glass blower be able to do this.

Any advise appreciated.

Steven
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  #3  
Old July 18th 08, 02:45 PM posted to rec.crafts.glass
David Billington
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Posts: 38
Default Glass to metal seal

wrote:
I hope my question is within the topic of this group.

Could anyone tell me if glass tubing can be fused to stainless steel
tubing with a hermetic seal?

If so, are there special techniques/methods that need to be followed?

Would a scientific glass blower be able to do this.

Any advise appreciated.

Steven

You might want to enquire with
http://www.indium.com/ . Indium is used
in solders which can be used to solder glass and to form glass to metal
seals. It's not cheap though at least in small quantities last time I asked.
  #4  
Old July 18th 08, 11:23 PM posted to rec.crafts.glass
javahut
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Posts: 95
Default Glass to metal seal


"David Billington" wrote in message
...
wrote:
I hope my question is within the topic of this group.

Could anyone tell me if glass tubing can be fused to stainless steel
tubing with a hermetic seal?

If so, are there special techniques/methods that need to be followed?

Would a scientific glass blower be able to do this.

Any advise appreciated.

Steven

You might want to enquire with
http://www.indium.com/ . Indium is used in
solders which can be used to solder glass and to form glass to metal
seals. It's not cheap though at least in small quantities last time I
asked.


You might inquire with Randy Hansen in San Diego, he used to hang out here
quite a while ago, haven't seen him in about a year, he runs his own
Scientific Glass Lab and makes some really interesting pieces for working
laboratories.


  #6  
Old July 21st 08, 04:30 AM posted to rec.crafts.glass
Bill Browne
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Posts: 7
Default Glass to metal seal

If your application were very low pressure, and the I.D. of the ss tube
allowed the glass tube to fit inside, a good grade (Dow Corning 712?) of
silicon would seal it.

There are also some mechanical setups that use a rubber gasket with lock
nut. The nut squeezes the gasket around the glass tube, like the sight
glass tubes they use to check the water levels in boilers.

wrote in message
...
I hope my question is within the topic of this group.

Could anyone tell me if glass tubing can be fused to stainless steel
tubing with a hermetic seal?

If so, are there special techniques/methods that need to be followed?

Would a scientific glass blower be able to do this.

Any advise appreciated.

Steven



 




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