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