Ethylene glycol ( slightly toxic Car antifreeze) is HO-CH2-CH2-OH. Propylene glycol (non toxic) is HO-CH2-CH2-CH2-OH. Glycerine is HO-HO-HO
All molecules just gotta be larger than water (H2O) I think it is a "surface tension" thing not molecular dimension. Not a Chemical Engineer but not for lack of trying a long time ago. Burton Ford Nicet Certified Special Hazards IV Fire alarm IV Sprinkler III Water Based Inspections I NFPA Certified Fire Protection Specialist [CFPS] Cintas Fire Protection 1038 Conshohocken Road Conshohocken ,PA 19428 610-233-1400 Fax 610-233-1401 ________________________________________ From: [email protected] [[email protected]] On Behalf Of Greg McGahan [[email protected]] Sent: Monday, March 28, 2011 10:37 PM To: [email protected] Subject: Re: Pipe Dope Chemists out there? Are the molecules smaller than water? IDK, but they are harder to get tight especially with threaded pipe. Greg On Mon, Mar 28, 2011 at 5:12 PM, George Church <[email protected]>wrote: > AF solutions tend to ooze thru joints compared to water or air. Slime > factor? Dunno. > But it'd still be on the market if they could sell it branded as Will-Leak > instead of Will-Flow. > > George Church > Rowe Sprinkler Systems, Inc. > PO Box 407, Middleburg, PA 17842 > 877-324-ROWE 570-837-6335 fax > [email protected] > > > > -----Original Message----- > From: [email protected] [mailto: > [email protected]] On Behalf Of Brett Foreman > Sent: Monday, March 28, 2011 10:11 AM > To: [email protected] > Subject: RE: Pipe Dope > > I'm intrigued by your statement that glycol systems spring leaks. Does > glycol eat through regular white dope and tape? Is there another reason why > leaking is an issue? > > Brett Foreman > > -----Original Message----- > From: [email protected] [mailto: > [email protected]] On Behalf Of Richard Solis > Sent: Saturday, March 26, 2011 12:42 AM > To: [email protected] > Subject: Pipe Dope > > I don't unless in Glycol systems. I only have 8 years experience compared > to AHJs, and NICET IV posts on here. I speak from the field, I wish to > obtain NICET in Inspections one day. Glycol systems spring leaks. When you > have a wet, or dry system, you only need white dope, and tape. Dope and tape > the threads from the > 300 side, dope only on the fitting, or shopside side. It doesn't matter if > you use tape or dope first, but dope on the outside of threads helps you > make up deeper in the threads. By dry, I include Pre Action systems. Note, > when I run a main drain, I use dope only. I've never had a drain leak, and > I've run drains coming from 220 psi static. > > > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email to:[email protected] > (Put the word unsubscribe in the subject field) > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email to:[email protected] > (Put the word unsubscribe in the subject field) > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email to:[email protected] > (Put the word unsubscribe in the subject field) > -- Greg McGahan Living Water Fire Protection, LLC <http://www.livingwaterfp.com> 1160 McKenzie Road Cantonment, FL 32533 850-937-1850 fax 850-937-1852 _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field) This e-mail transmission contains information that is intended to be confidential and privileged. If you receive this e-mail and you are not a named addressee you are hereby notified that you are not authorized to read, print, retain, copy or disseminate this communication without the consent of the sender and that doing so is prohibited and may be unlawful. Please reply to the message immediately by informing the sender that the message was misdirected. After replying, please delete and otherwise erase it and any attachments from your computer system. Your assistance in correcting this error is appreciated. _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field)
