I rest my case. He was a smart man (assuming your boss was a man, of course).
jerry ----- Original Message ----- From: <[EMAIL PROTECTED]> To: <[email protected]> Sent: Saturday, October 18, 2008 8:19 PM Subject: Re: M_Boats: last message > > An old boss of mine would say never let the Government know that something > works, they will outlaw it. > > > > > > At your service > > Larry Pegg > > 208 249 0538 > > > > > > > -----Original Message----- > From: jerry <[EMAIL PROTECTED]> > To: [email protected] > Sent: Sat, 18 Oct 2008 2:18 pm > Subject: M_Boats: last message > > > > > > > > > > > Sorry about the last unfinished message regarding blistering. I was just > getting started when my damned computor decided to send it- it's been > doing > things like that lately; guess I need a bigger hammer. > > What I was trying to say was that sometime in the in the early 70's many > of we > builders started using a catalyst; called HiPoint 180 because we found > that the > parts made from it had much less porosity in the gel coat, and probably in > the > laminate as well, altho there was no way to tell that I could think of > because > you couldn't see it in the laminate. > > Shortly after that the EPA (or was it the Air Quality Control Board?) > mandated > that the manufacturer of 180 reduce the oxygen content, putting it in line > with > the product of its inferior competition. I heard at the time that this > was a > result of lobbying by the other chem companies. When I heard that 180 was > not > going to be available I bought an old refrigerator and bought several > cases of > 180 which lasted me for several years. I heard of no blisters on my boats > during those years. The catalyst used for polye\sters (including > vinylester and > Ashland's AME; great stuff) is MEK Peroxide and it works by oxydizing the > resin, > which is a polymer. > > At the time someone from one of the resin companies told me that there is > an > ideal ration of oxygen in catalyst, which causes more of the solvents to > leave > the curing resin and go into the air. I suppose it's the opinion of the > EPA > that it's better that the solvents are in the resin than in the air, even > tho > its got to be an extremely small amount in the general scheme of things. > At any > rate we still have porosity problems in gel coat and resin, and I'd bet my > bottom dollar that the porosity is connected with blisters. > > Better living thru bigger government, I guess is the theory. > > jerry > _______________________________________________ > http://mailman.xmission.com/cgi-bin/mailman/listinfo/montgomery_boats > > > > > > _______________________________________________ > http://mailman.xmission.com/cgi-bin/mailman/listinfo/montgomery_boats > > > -- > No virus found in this incoming message. > Checked by AVG. > Version: 7.5.549 / Virus Database: 270.8.1/1731 - Release Date: 10/17/2008 > 7:01 PM > > _______________________________________________ http://mailman.xmission.com/cgi-bin/mailman/listinfo/montgomery_boats
