TECHNET Archives

September 1999

TechNet@IPC.ORG

Options: Use Monospaced Font
Show Text Part by Default
Show All Mail Headers

Message: [<< First] [< Prev] [Next >] [Last >>]
Topic: [<< First] [< Prev] [Next >] [Last >>]
Author: [<< First] [< Prev] [Next >] [Last >>]

Print Reply
Subject:
From:
Tom Colton <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Tue, 7 Sep 1999 09:32:48 -0400
Content-Type:
text/plain
Parts/Attachments:
text/plain (106 lines)
Turpene works reliably well, and the MSDS shows no known hazards.

TC

Kathie Lucas wrote:

> David,
>
> At my company I have been asked to look into replacing MEK with something
> less hazardous and just as effective.  So far I haven't found anything.  I
> am not giving up on this.  Justification on why not to use this is easy,
> just read the MSDS.
>
> "Extremely flammable.  Inhalation may cause irritability to the nose and
> throat.  Concentration above the TLV may cause headache, dizziness, nausea,
> shortness of breath and vomiting.  High concentration may cause central
> nervous system depression and unconsciousness.  Ingestion may cause
> irritability to digestive tract with abdomen spasms, nausea and vomiting.
> Large doses may cause narcosis.  May cause irritation and discoloration to
> skin.  Vapors or irritation to eyes.  Splashes may produce painful
> irritation and eye damage.  Prolonged skin contact may produce dermatitis."
>
> This product is not listed by IARC, NTP or OSHA as a carcinogen.  Why I do
> not know.  Look at everything it does to the human body.
>
> Methyl-ethyl-ketone is not listed in Schedule 1 of the Ozone Protection Act
> 1989 of the Commonwealth, and therefore this substance is not regulated in
> the ACT under the Ozone Protection Regulations 1997.
>
> I have been talking with a company called Enviro Tech.  Their number is
> 1-708-343-6641 contact name--Dan Duerkop.
>
> Kathie Lucas
> L-3 Communications
> [log in to unmask]
> 1-801-594-3394
> > -----Original Message-----
> > From: David Hipp [SMTP:[log in to unmask]]
> > Sent: Thursday, September 02, 1999 9:25 AM
> > To:   [log in to unmask]
> > Subject:      [TN] Flux Removal with MEK
> >
> > TechNetters - some of our assembly techs use MEK to remove flux. I know
> > MEK
> > is potent and probably shouldn't be used for flux removal. What I need is
> > some justification WHY we shouldn't use MEK.
> >
> > We are soldering 22 gauge stranded wire to connector lugs and microswitch
> > turret terminals. This assembly is part of a fuel control for commercial
> > fanjet engines. We use Sb5WS (Tin 94%, Lead 0.2%, Antimony 4-6%) solder
> > and
> > Kester 197 Flux, which is type RMA.
> >
> > Any help is appreciated.
> >
> > Regards,
> > Dave Hipp
> > Woodward Aircraft Engine Systems
> > Electrical Production Engineering
> > (815) 639-6732
> > FAX (815) 636-6040
> >
> > ##############################################################
> > 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
> ##############################################################

##############################################################
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
##############################################################

ATOM RSS1 RSS2