Phil,
I forgot to add when we do spot de fluxing we use a bundle of Q-tips or
similar to absorb the washout in specific areas, so as not to spread it.
Pace actually makes a tool, looks like a chalk holder that holds a
sponge for dabbing up the residue after spot de-fluxing.
pat
On Fri, Apr 24, 2015 at 9:31 AM, Nutting, Phil wrote:
> Ok, so if I am spot washing flux off a circuit board or cleaning the
> face of an epoxy insulator to remove silicone dielectric grease what
> am I supposed to use?
>
> Brian, I know you are very environmentally concerned. IPA and the
> like have been used for years by our industry and it is usually the
> default cleaner for everything. And yes I know alcohols do a better
> job of spreading contaminates than removing them. What then, if spot
> cleaning, should be used? (I know, "it depends".) Manufacturing is
> always complaining that Engineering creates designs and processes that
> take too much time, but they work if done as designed. Finding a
> practical solution and changing the mindset is no small task.
>
> I look forward to your sage wisdom.
>
> Phil
>
> -----Original Message-----
> From: Brian Ellis [mailto:[log in to unmask]] Sent: Friday, April 24, 2015
> 12:18 PM
> To: TechNet E-Mail Forum; Nutting, Phil
> Subject: Re: [TN] methanol for cleaning
>
> Yes! absolutely! And it is highly toxic, to boot, with ingress to the
> body by all means, including cutaneous. IMHO, avoid it!
>
> Brian
>
> On 24/04/2015 18:12, Nutting, Phil wrote:
>> We have had many posts regarding the ability of alcohol to evenly
>> distribute flux and other contaminates over the surface of the board
>> or part. Does methanol do that same thing?
>>
>> Phil Nutting | HVP Development Engineer | Excelitas Technologies
>> Corp
>>
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