hi,
zestron states specifically that vigon a200 is surfactant free, and that it is composed of long chain alcohols. environmentally friendly is another claim they make. no mention of saponifiers.
phil
-----Original Message-----
From: Guy Ramsey [mailto:[log in to unmask]]
Sent: Thursday, August 08, 2002 3:59 PM
To: [log in to unmask]
Subject: Re: [TN] Cleaning Solvent for Military Product
Brain,
I was shocked by this response. We have been using Vigon A200 here for a
couple of years.
The products HMIS rating is 0,0,0. We do not know of any special
protection or training that is required. The cleaning agent seems easy
and safe to use. The MSDS is pretty straight forward. We understand
that the solvent contains VOCs, but are unaware of any issues associated
with the waste streams. Granted, the contamination which can vary, but
our understanding that the material is easily biodegradable.
Additionally, Vigon A 200 was not presented to us as a saponifier but a
chemistry which allows reuse.
I would really appreciate knowing about the toxic character of the
material, and any precautions that we should be using.
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of b_ellis
> Sent: Thursday, August 08, 2002 4:18 AM
> To: [log in to unmask]
> Subject: Re: [TN] Cleaning Solvent for Military Product
>
>
> Ingemar
>
> Vigon A200 is an excellent saponifier, but, like all
> saponifiers, requires caution in its use. It is very basic
> and is quite toxic. Unlike most organic saponifiers, it does
> not use MEA, but it does have an analogic amine, with more
> carbon. Operator protection is a must. It is also a VOC. I
> can recommend its use, but only in suitable equipment and
> with correct operator protection and training.
>
> Brian
>
> "Ingemar Hernefjord (EMW)" wrote:
> >
> > Hi Doug and Poh,
> > another good source is this : http://www.zestron.com/us/index.htm
> > we use Vigon A200, waterbased, environment acceptable, for
> military requirements, works rather well. But, as Doug says,
> there is no do-it-all medium.
> > regards
> > Ingemar Hernefjord
> > Ericsson Microwave Systems
> >
> > -----Original Message-----
> > From: [log in to unmask]
> [mailto:[log in to unmask]]
> > Sent: den 6 augusti 2002 14:30
> > To: [log in to unmask]
> > Subject: Re: [TN] Cleaning Solvent for Military Product
> >
> > Poh,
> > It depends a great deal on what soils you are cleaning and what
> > susceptibilities the substrate may have (e.g. susceptible
> to water).
> > In terms of alternatives to HCFCs there are
> hydrofluoroethers (HFEs),
> > hydrofluorocarbons (HFCs), and some aliphatic hydrocarbons.
> I suggest
> > that you talk to either Kyzen Corporation (www.kyzen.com)
> or Petroferm
> > (www.petroferm.com). They are the experts in cleaning chemistries
> > available.
> >
> > Doug Pauls
> > Rockwell Collins
> >
> > Poh Kong Hui <[log in to unmask]>@ipc.org> on 08/05/2002
> 09:46:08 AM
> >
> > Please respond to "TechNet E-Mail Forum."
> <[log in to unmask]>; Please respond
> > to Poh Kong Hui <[log in to unmask]>
> >
> > Sent by: TechNet <[log in to unmask]>
> >
> > To: [log in to unmask]
> > cc:
> >
> > Subject: [TN] Cleaning Solvent for Military Product
> >
> > Hi All,
> >
> > I understand there are still many contractor for making Military
> > product is still using HCFC. Some of the customer request
> us to use,
> > for example Genesolv 2004.
> >
> > I wander whether, what other solvents than HCFC can be and commonly
> > used for cleaning Military board.
> >
> > Thanks.
> >
> > Poh
> >
> >
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