When soldering, the real objective is to get the target hot enough for proper dissolution. This is usually better accomplished with a good overall pre-heat process, not attempting to blast the junction with a flame that is much hotter than the surrounding material. 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Dennis Fritz
Sent: Thursday, April 04, 2013 10:25 AM
To: [log in to unmask]
Subject: Re: [TN] Butane Soldering Irons

Gregg, 

Bought one of these for interns that were looking for tin whiskers on scrap cell phone boards.  We tried to use this to de-solder the RF shields on those boards, as we thought that would be better than just pulling the shields off with a pliers.  Of course, with either method, we didn't care about later board operation, as these were already scrap cell phones.  I think we finally settled on a standard electric soldering iron with a large, flat surface to spread heat through the shield metal and pop the shield off. 

I would say this butane iron was made for non-electronic soldering like small copper pipes or maybe assembling stained glass objects. 

Denny Fritz



-----Original Message-----
From: Gregg Owens <[log in to unmask]>
To: TechNet <[log in to unmask]>
Sent: Thu, Apr 4, 2013 10:42 am
Subject: [TN] Butane Soldering Irons


Since we hand solder outside of the normal manufacturing floor, our technicians re requesting to use a butane soldering iron. I have no previous experience ith this type of soldering iron. With a temperature setting of 1076°F it seems ather high and potentially damaging to resulting solder connection, insulation, eople, etc.
http://www.apexhandtools.com/brands/CF_Files/model_detail.cfm?upc=037103060976
Any thoughts from experience would be most appreciated.
Gregg
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