Are you using this in salt water? If so, how has it held up?
I'm considering getting a couple of pieces of UHMW polyethylene to
machine outhaul line guides for my for my kayaks and dinghy's. The
surface of bronze and stainless steel guides gets too rough after a
couple of years.
Lew Hodgett wrote:
to see if barnacles would adhere (they didn't) and there was no ill
effect - actually there is hardly any chemical that will affect it. If
exposed to sunlight be sure to get black repro or UV stabilized if you
You might be better with HDPE. HDPE isn't just low-weight UHMW, it's
also processed differently (I don't know the details) to give better
mechanical properties. UHMW is a bit soft, and repeated use of a line
across the same spot will cause wear grooves pretty rapidly.
scale (some variations are used for milk bottles etc.) although there
can be some overlapping at the high end HDPE/low end UHMW. UHMW is
much better for wear - we used it to make sprockets, wear strips and a
variety of products because of its wear resistant properties. Ever
seen a canning or bottling plant? All of the white wear strips you see
on the bottling line are UHMW to eliminate wear as the cans/bottles
turn corners etc.. HDPE is better suited for cutting boards, chicken
deboner cones etc.
conveyor with plastic cones mounted on stainless threaded rods. They
stick the chicken on the cones (kinda like "beer butt chicken" on the
grill) and workers cut off the various parts of the chicken as it
moves down the line. As the cones become nicked from the knives they
must be replaced. HDPE works well but is being replaced by other
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