It works at the quantum level and will not do its magic if it is observed.  

From: Adam Moffett 
Sent: Wednesday, January 29, 2020 10:42 AM
To: af@af.afmug.com 
Subject: Re: [AFMUG] Cat5 Water Blocking Dry Tape

That sounds like a much better test than mine.  All I did was extract a piece 
of the tape from the cable and set it in a glass with water in it.  I was 
expecting to see some visible swelling, but I couldn't see any.



On 1/29/2020 12:34 PM, Eric Muehleisen wrote:

  Same. We attached a funnel full of water to the end of a 2ft chuck of 
DC-1042. Left it for 24 hours expecting water to drip out the bottom. Never 
did. We started using it exclusively on our towers for the last 2 years. Not a 
single issue.


  On Wed, Jan 29, 2020 at 11:29 AM Adam Moffett <dmmoff...@gmail.com> wrote:

    I remember dropping a chunk of that tape into a glass of water and 
    waiting for something to happen.  Maybe I didn't wait long enough, but 
    nothing happened.


    On 1/29/2020 11:59 AM, g...@shireeninc.com wrote:
    > The chemical reaction is pretty simple
    > When chemical compound  of 2 Hydrogen and 1 Oxygen atoms are present and
    > come in contact to our (Non Caustic, Non-Woven, Super Swelling Polyester
    > Bonding Material*) better known as "No-conductive water blocking tape"
    >
    > The following parametric occurs:
    >
    > Thickness [mm]        0.2     0.25
    > Weigh[g/m2]   80      90
    > Swelling height [mm]  ?12     ?14
    > Swelling speed[mm/1st min]    ?10     ?10
    > Tensile strength[N/15mm]      ?45     ?50
    >
    > Because of our Jacket composition, no change in OD has been observed.
    > Because of the non-causticity, no damage has been observed to the 4 pairs
    > insulation nor the solid 24 and 23 AWG copper core itself
    >
    >
    > Thanks for your attention.
    >
    >
    > -----Original Message-----
    > From: AF <af-boun...@af.afmug.com> On Behalf Of Matt
    > Sent: Wednesday, January 29, 2020 9:56 AM
    > To: AnimalFarm Microwave Users Group <af@af.afmug.com>
    > Subject: Re: [AFMUG] Cat5 Water Blocking Dry Tape
    >
    > So how does dry tape work anyway?  I assumed it had some dry powder type
    > glue in it and when exposed to water absorbed and cured blocking further
    > passage of water?  But not at all sure?
    >
    > --
    > AF mailing list
    > AF@af.afmug.com
    > http://af.afmug.com/mailman/listinfo/af_af.afmug.com
    >
    >

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