Just a thought/aside as its the weekend when I read this:
I had a customer once who used Permanent blue/black ink for flux die.  [ It made a red
colour in the flux residue after soldering]. Mind this was before SIR testing etc.

----- Original Message -----
From: Rudy Sedlak <[log in to unmask]>
To: <[log in to unmask]>
Sent: 24 September 1999 21:52
Subject: Re: [TN] Flux Dye


> Try Pylam Products in Tempe Arizona
>
> 480-929-0070
>
> They specialize in small quantities of dyes.
>
> They will give you samples to try, but you are on your own in determining
> which dye to use, they will recommend, based on the chemistry, but know
> nothing about electronics...
>
> Rudy Sedlak
> RD Chemical Company
>
> ##############################################################
> TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c
> ##############################################################
> To subscribe/unsubscribe, send a message to [log in to unmask] with following text in
> the body:
> To subscribe:   SUBSCRIBE TECHNET <your full name>
> To unsubscribe:   SIGNOFF TECHNET
> ##############################################################
> Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional
> information.
> If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or
> 847-509-9700 ext.5365
> ##############################################################
>

##############################################################
TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c
##############################################################
To subscribe/unsubscribe, send a message to [log in to unmask] with following text in
the body:
To subscribe:   SUBSCRIBE TECHNET <your full name>
To unsubscribe:   SIGNOFF TECHNET
##############################################################
Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional
information.
If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or
847-509-9700 ext.5365
##############################################################