X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml Date: Sat, 11 Nov 2006 13:41:18 -0500 Message-ID: X-Original-Return-Path: Received: from eastrmmtao03.cox.net ([68.230.240.36] verified) by logan.com (CommuniGate Pro SMTP 5.1.2) with ESMTP id 1555622 for lml@lancaironline.net; Sat, 11 Nov 2006 13:12:39 -0500 Received-SPF: none receiver=logan.com; client-ip=68.230.240.36; envelope-from=patricktc@cox.net Received: from eastrmimpo02.cox.net ([68.1.16.120]) by eastrmmtao03.cox.net (InterMail vM.6.01.06.03 201-2131-130-104-20060516) with ESMTP id <20061111181221.ERCP13537.eastrmmtao03.cox.net@eastrmimpo02.cox.net> for ; Sat, 11 Nov 2006 13:12:21 -0500 Received: from P43G ([68.228.160.203]) by eastrmimpo02.cox.net with bizsmtp id lWBR1V00F4PcHWk0000000; Sat, 11 Nov 2006 13:11:26 -0500 From: "Pat" X-Original-To: "'Lancair Mailing List'" Subject: RE: [LML] Re: So that ends the White Jeffco 9700 Fuel Tank Sealer Saga X-Original-Date: Sat, 11 Nov 2006 12:12:18 -0600 X-Original-Message-ID: <000001c705bc$ec8b6f60$3201a8c0@P43G> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C7058A.A1F0FF60" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.2627 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2962 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C7058A.A1F0FF60 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Acetone is not extremely toxic to humans, in fact it has a very low toxicity. http://www.entheology.org/tips-acetone/acetone.htm -----Original Message----- From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Rod Pharis Sent: Thursday, November 09, 2006 9:44 AM To: Lancair Mailing List Subject: [LML] Re: So that ends the White Jeffco 9700 Fuel Tank Sealer Saga All, At Northrop Grumman, we spent many months and thousands of Navy dollars studying various controlled processes to apply the new mandated low volatile organic compound (low VOC) coatings to achieve optimum adhesion, corrosion resistance and chip resistance etc., which included the observation of inherent yellowing of epoxy coatings. The bottom line of the several inches thick report is; Use clean, virgin grit-blasted metal substrate surfaces, epoxy primer and polyurethane topcoat. The epoxy provides better adhesion, sealing and hardness, but chips easily and yellows. The polyurethane is more color stable and chip resistant with lower adhesion and corrosion resistant. Both respond favorably to elevated booth temperature and short time intervals between coats. They didn't put all that nasty chemical stuff in the original formulations for nothing. MEK, acetone, isocyanates ... all extremely harmful to humans but great for paint! Without as much or with none of that nasty stuff ... very process sensitive at best, and lower to unacceptable results at worst. I vote for flat white epoxy primer, followed soon when only partially cured by semi-gloss or gloss white polyurethane topcoat, over a scuffed substrate, surgically cleaned before scuffing and vacuumed after but not subsequently touched with paper, cloth or fingers. Don't quote me, but a little extra nasty solvent would do wonderful things. However, you might want to have a Democrat apply it for you! Rod Pharis Legacy 40% going on 30 -----Original Message----- From: Lancair Mailing List [mailto:lml@lancaironline.net]On Behalf Of Kevin Kossi Sent: Wednesday, November 08, 2006 3:20 PM To: Lancair Mailing List Subject: [LML] Re: So that ends the White Jeffco 9700 Fuel Tank Sealer Saga I asked Michelle from Lancair to call the manufacturer and ask if there was anything that could be done to prevent the yellowing of the white tank sealer and she said they said that "yellowing is just something that happens with white resin and they don't have any ideas of anything that can be done to prevent the yellowing". So that ends the Jeffco White Tank sealer saga. I will be using the PPG epoxy white mixed with 40% clear Jeffco resin. I decided to get an extra long hose for my scuba set up and use that as a respirator. Thanks for everyones input, is was helpful in deciding what to do. Kevin Kossi Legacy 72% New York ------=_NextPart_000_0001_01C7058A.A1F0FF60 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Acetone is not extremely toxic to = humans, in fact it has a very low toxicity.   http://www.entheology.org/tips-ac= etone/acetone.htm

 

-----Original = Message-----
From: Lancair Mailing = List [mailto:lml@lancaironline.net] On Behalf Of Rod = Pharis
Sent: Thursday, November = 09, 2006 9:44 AM
To: Lancair Mailing = List
Subject: [LML] Re: So = that ends the White Jeffco 9700 Fuel Tank Sealer Saga

 

All,

 

   = ; At Northrop Grumman, we spent many months and thousands of Navy = dollars studying various controlled processes to apply the new mandated low = volatile organic compound (low VOC) coatings to achieve optimum adhesion, = corrosion resistance and chip resistance etc., which included the observation of = inherent yellowing of epoxy coatings.  The bottom line of the several inches = thick report is;  Use clean, virgin grit-blasted metal substrate = surfaces, epoxy primer and polyurethane topcoat.  The epoxy provides better adhesion, sealing and hardness, but chips easily and yellows.  = The polyurethane is more color stable and chip resistant with lower adhesion = and corrosion resistant.  Both respond favorably to elevated booth = temperature and short time intervals between coats.  They didn't put all that = nasty chemical stuff in the original formulations for nothing.  MEK, = acetone, isocyanates ... all extremely harmful to humans but great for = paint!  Without as much or with none of that nasty stuff ... very process = sensitive at best, and lower to unacceptable results at = worst.

 

   = ; I vote for flat white epoxy primer, followed soon when only partially cured by semi-gloss or gloss white polyurethane topcoat,  over a scuffed = substrate, surgically cleaned before scuffing and vacuumed after but not = subsequently touched with paper, cloth or fingers.  Don't quote me, but a little = extra nasty solvent would do wonderful things.  However, you might want = to have a Democrat apply it for you!

 

Rod = Pharis

Legacy

40% going on = 30

-----Original Message-----
From: Lancair Mailing = List [mailto:lml@lancaironline.net]On = Behalf Of Kevin Kossi
Sent: Wednesday, November = 08, 2006 3:20 PM
To: Lancair Mailing = List
Subject: [LML] Re: So = that ends the White Jeffco 9700 Fuel Tank Sealer Saga

I asked Michelle from Lancair to call the manufacturer and = ask if there was anything that could be done to prevent the yellowing of the = white tank sealer and she said they said that "yellowing is just = something that happens with white resin and they don't have any ideas of anything that = can be done to prevent the yellowing".

 

So that ends the Jeffco White Tank sealer = saga.

 

I will be using the PPG epoxy white mixed with 40% = clear Jeffco resin. I decided to get an extra long hose for my scuba set up = and use that as a respirator.

 

Thanks for everyones input, is was helpful = in deciding what to do.

 

Kevin Kossi

Legacy 72%

New York

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