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Re: [Distillers] Re: Poly Vinyl Chloride or PVC or Vinyl

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  • dean
    I m planning on using mine for a sight glass on the side of the boiler so the alcohol strength at the most will be say 40% at the top and Blackwoods said it
    Message 1 of 4 , Sep 3, 2004
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      I'm planning on using mine for a sight glass on the side of the boiler
      so the alcohol strength at the most will be say 40% at the top and
      Blackwoods said it will be fine but as soon as i can ill be changing to
      Glass better safe than sorry.
      Thanks for the warning abbababbaccc wrote:

      >From my latest experiment I can tell you that braided PVC hose (clear
      >type used for air tools) and hot 95% ethanol is not a good
      >combination. I had such hose in my ARC right off the still(relatively
      >hot ethanol coming out) and while the product that came out looked
      >and smelled fine it went blueish and hazy when diluted. I've had this
      >happen once before and at that time I was also using PVC hose with
      >LM. After replacing the PVC hose with copper pipe all was well. Let
      >us know if that nylex works, and try diluting the stuff to 40% to see
      >if it changes colour.
      >
      >Greetz, Riku
      >
      >--- In Distillers@yahoogroups.com, dean <deanlil@p...> wrote:
      >
      >
      >>Hi Guys, I phoned Blackwoods (an Industrial Supplier in OZ) to see
      >>
      >>
      >if
      >
      >
      >>they could recommend a 1/2 inch clear flexible tube thats resistant
      >>
      >>
      >to
      >
      >
      >>alcohol and they came up with PH12TMP2 100 or TMP2 a Nylex product
      >>
      >>
      >so I
      >
      >
      >>ordered a meter, that night I looked on the Nylex web sight to
      >>
      >>
      >check the
      >
      >
      >>suitability of the tube only to find that it was a PVC product.
      >>
      >>
      >after
      >
      >
      >>searching the same sight I found a PDF chemical resistance table
      >>
      >>
      >Showing
      >
      >
      >>two PVC groups. Group one which includes TMP2 has good resistance
      >>
      >>
      >to
      >
      >
      >>Ethyl Alcohol. the only problem is it a braided hose I was hoping
      >>
      >>
      >for
      >
      >
      >>clear. I was going to buy Glass tube to be safe but I can only buy
      >>
      >>
      >2m
      >
      >
      >>Lengths so I think ill use the hose for now and find some one who
      >>
      >>
      >can
      >
      >
      >>cut glass tube then replace it later.
      >>Out of Interest to see what will happen the standard vinyl hose in
      >>
      >>
      >37%
      >
      >
      >>alcohol experiment is still going decided to leave it in a bit
      >>
      >>
      >longer.
      >
      >
      >>Dean.
      >>dean wrote:
      >>
      >>
      >>
      >>>I just put a small piece of Vinyl tubing into the strongest
      >>>
      >>>
      >alcohol I
      >
      >
      >>>have that is Bourbon @ 37% (at least until I finish my still) to
      >>>
      >>>
      >see
      >
      >
      >>>the effect.
      >>>ill post the results. If there is any effect at all I certainly
      >>>
      >>>
      >wont
      >
      >
      >>>be using it in My still. If anyone has any opinions, experience
      >>>
      >>>
      >ETC.
      >
      >
      >>>please don't let me use it if I shouldn't.
      >>>
      >>>Thanks
      >>>Dean
      >>>
      >>>
      >>>
      >
      >
      >
      >
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