I think the problem you will find as was explained before is the cost of
these liquids are very pricey and they only make them a few times a year
and if they have non and you want some you will have to wait.   Just my two
cents worth.



                    Jim Kittel
                    <[log in to unmask]       To:     [log in to unmask]
                    -3COM.COM>           cc:
                    Sent by:             Subject:     Re: [TN] Antw: [TN] Vapor Phase
                    TechNet               Soldering ReVisited!
                    <[log in to unmask]
                    RG>


                    02/14/02 12:59
                    PM
                    Please respond
                    to "TechNet
                    E-Mail
                    Forum.";
                    Please respond
                    to jkittel






Guenter,
Thanks for your response.  I also had trouble finding a liquid with a
boiling point of 225, but according to an article mentioned earlier (
www.assemblymag.com ) the liquids of different boiling points can be
blended
to achieve what you need.
Thanks,
Jim Kittel

-----Original Message-----
From: Guenter Grossmann [mailto:[log in to unmask]]
Sent: Thursday, February 14, 2002 9:44 AM
To: [log in to unmask]
Subject: [TN] Antw: [TN] Vapor Phase Soldering ReVisited!


Jim

I believe the VP is still a good principle. However, the industrial partner
in LEADFREE that runs the VP trials told me that he has to use a liquid
with
a boiling point of 270 deg.C and that there is nothing available that boils
around 230 deg.
I had problem to believe this but also after asking again I got the same
answer.

Best regards

Guenter

.

EMPA
Swiss Federal Institute for Materials Testing and Research
Centre for Reliability
Dipl. Eng. Guenter Grossmann

8600 Duebendorf
Switzerland

Phone: xx41 1 823 4279
Fax :     xx41 1823 4054
mail:     [log in to unmask]

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