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 <mailto: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
    <mailto: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
    <mailto: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
    <mailto: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 <mailto:AF@af.afmug.com>
    > http://af.afmug.com/mailman/listinfo/af_af.afmug.com
    >
    >

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