The IPC-SF-818 "General Requirements for Electronic Soldering Fluxes" has 
been replaced by the J-STD-004 "Requirements for Soldering Fluxes". I 
think the L3NC has to do with the type of flux.

You can order this by calling the order dept. at IPC (708) 677-2850 x316

****************************************************
Jon Holmen
Technical Project Manager
IPC
7380 N. Lincoln Ave
Lincolnwood IL  60646
Phone (708) 677-2850 x329
Fax   (708) 677-9570
e-mail  [log in to unmask]
*****************************************************


On Wed, 2 Aug 1995, Andy Richardson wrote:

> Has anyone within IPC, or anywhere else for that matter, know of a spec listed 
> IPC-SF-818-L3NC. I believe that it is to do with wave solder flux or PWB 
> fabrication HASL fluxes.
> 
> We at GenRad are supposed to apply this spec to our PWB's. Can anyone help?
> 
> Andy Richardson
> GenRad UK
> Manchester
> 
>