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a58r(at)verizon.net
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 Posted: Wed Mar 07, 2007 2:29 pm Post subject: gasoline vs. plastics |
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Here's a chart of various plastics and their use/non use with gasoline.
Mat'l LDPE HDPE PP/PPCO PMP FEP/TFE/PFA PC Rigid PVC PSF
FN GG GF GF EE FF GN FF
LDPE---- Low density Polyethylene Ratings Key
HDPE---- High density Polyethylene
PP/PPCO--- Polypropylene/Polypropylene Copolymer E---excellent
PMP---- Polymethylpentene G---good
PC----- Polycarbonate F---fair
PVC--- Polyvinyl Chloride N---not recommended
PSF--- Polysulfone first letter applies to conditions (at)20C
FEP--- Teflon™ FEP second letter applies to 50C
TFE--- Teflon™ TFE
PFA--- Teflon™ PFA
Now you can check your 5 gal. replacement jugs before buying/leaking.
regards,
Bob N. FireFly 070 Old Kolb
http://www.angelfire.com/rpg/ronoy/
[quote][b]
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David Lucas
Joined: 10 Jan 2006
Posts: 79
Location: Europe. based Amsterdam NL
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jbhart(at)onlyinternet.ne
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| Posted: Thu Mar 08, 2007 4:59 am Post subject: gasoline vs. plastics |
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At 04:00 AM 3/8/07 -0800, you wrote:
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Think I've sorted the puzzle out [Wink]
If I've got it right, then the Teflon based containers are best. Is that right [Question]
David.
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David,
When in doubt, place a few shavings or pieces in a clear glass jar filled
with gasoline and see what happens.
According to my CRC handbook polyvinylchloride and vinylchloride acetate
unmodified rigid shows excellent resistance to aliphatic hydrocarbons and
alcohols. The non-rigid or plasticized is rated as poor.
Jack B. Hart FF004
Winchester, IN
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pj.ladd(at)btinternet.com
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| Posted: Thu Mar 08, 2007 10:33 am Post subject: gasoline vs. plastics |
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polyvinylchloride and vinylchloride acetate unmodified rigid shows
excellent resistance to aliphatic hydrocarbons and
alcohols. The non-rigid or plasticized is rated as poor.>>
By George! I am really glad to know that. I haven`t slept at night worrying
about it.
Cheers
Pat
do not archive
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herbgh
Joined: 10 Jan 2006
Posts: 145
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| Posted: Thu Mar 08, 2007 11:28 am Post subject: gasoline vs. plastics |
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Can't verify it at present; but think that Poly Fiber glue,brush,spray
and Poly tone have Polyvinyl Acetate as their main ingredient.. add
pigment and three solvents.. I notice that Poly Vinyl Acetate has the
same qualities as Poly finishes.. Disolves in acetone or Mek.. resistant
to hydrocarbons..
Herb
On Thu, 8 Mar 2007 18:33:16 -0000 "pat ladd" <pj.ladd(at)btinternet.com>
writes:
| Quote: |
polyvinylchloride and vinylchloride acetate unmodified rigid shows
excellent resistance to aliphatic hydrocarbons and
alcohols. The non-rigid or plasticized is rated as poor.>>
By George! I am really glad to know that. I haven`t slept at night
worrying
about it.
Cheers
Pat
do not archive
|
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d-m-hague(at)comcast.net
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| Posted: Sun Mar 11, 2007 6:44 pm Post subject: gasoline vs. plastics |
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At 08:00 AM 3/8/2007, David Lucas wrote:
| Quote: |
Think I've sorted the puzzle out [Wink]
If I've got it right, then the Teflon based containers are best. Is that
right
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Be a hell of an expensive tank, though...
-Dana
do not archive
--
--
There is always a law against doing anything interesting.
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