Hi Eilot,

It is only a model number of flux from Kester, see below.

http://www.all-spec.com/downloads/kw4400_120804s.pdf

Regards,
Matthew Tsui
Senior Engineer
Tel : 2788 9403
Fax : 2784 4953
EPA Centre
P1408, City University of Hong Kong, 
83 Tat Chee Avenue, Kln Tong, HK


On 23/03/2010 16:04, Eliot Chen wrote:
> 44 ROSIN CORE SOLDER


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