Hi Pankaj,

Why are you cleaning no clean solder wire ?.

Regards

Steve.

-----Original Message-----
From: Karnwal, Pankaj [mailto:[log in to unmask]]
Sent: 31 May 2002 07:04
To: [log in to unmask]
Subject: [TN] fLUX RESIDUE IN NO CLEAN SOLDER WIRE


Dear all

Some time we are facing a problem after hand soldering .

     After wave solder soldering we puts some components like transformer,
connectors etc. ( Due to shortage of the components ) . We use the no clean
solder wire for hand soldering ,after soldering we observe that a
transparent flux residue appeared around the soldered lead and if we try to
clean it by IPA (ISO PROPYLE ALCOHALE) after drying, It will change in to
white residue and create bigger problem.After cleaning all,  the surface of
PCB and solder joints get dull shining.
Pls. suggest the better way to clean
Thanks




With regards
Pankaj Karnwal
Quality  Assurance
BESL     NOIDA   (INDIA)
PH .91-120-4420394-5 EXTN.211
e mail : <mailto:[log in to unmask]>
Barco, innovators in image processing

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