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Coating vs Waxing



 
 
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Old January 30th 12, 05:08 AM posted to rec.skiing.nordic
gr[_2_]
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Posts: 52
Default Coating vs Waxing

That's quite interesting! I expected, due to the nature of sintered
material, that some gaps (really small!) would exist between the melted
together particles.


Here are bits and pieces I found:

Strange: http://www.ims-plastics.com/ comes up as a page in Asian
characters and lemon slices. It seems to be a foreign
exchange/investment site.

http://www.compositesconsultants.com...ck.php?MID=244 lists IMS
Kunstsoff in Austria, as being Part of the Gurit Composite Technologies
Group of Gurit-Heberlein and having the same (above (hijacked?) website.

http://www.escnordic.org.uk/myths/pores.htm is circa 2007

----------------------
This page has no listing for wax absorption for extruded P-tex
http://www.cps-gmbh.net/p-tex-extruded.php

This page for sintered P-Tex does list wax absorption to P-Tex
http://www.cps-gmbh.net/p-tex-sintered.php


The data sheets on these pages show the same thing (no absorption
listing for extruded)

This seems to indicate sintered P-Tex absorbs wax, while extruded does not.

Perhaps the name "pores" is incorrect? It seems that sintered P-Tex does
indeed absorb wax (at least the 1.2 grams previously mentioned.)

I guess the question then is: Is the absorbed wax actually doing anything.

A simple example from my own experience in using a variety of xc skis
(some with quite old plastic bases) is that if they are completely
unwaxed, they end up having ice stick to them, so it seems that wax is
doing something useful.








On 1/27/2012 4:46 AM, lolix wrote:
Is it still a sintered base?


Yes it is.

Mr Urs Geissbühler has been quoted by Leonid Kuzmin and also there by
Alan Shepard : http://www.escnordic.org.uk/ (Myths, then pores)

...

So I wrote to , which is their email address, asking about pores. The relevant part of my email said "According to a posting on the internet byUrs Geissbühler there are no pores in press sintered running bases. Can you confirm this?". I received a reply from the man himself -


Urs Geissbühler
Chemical Engineer
Research& Development Manager
IMS Kunststoff AG
Rütimoosstrasse 5
CH-3076 Worb
SWITZERLAND



in which he said,


"there are absolutely no pores in press sintered UHMWPE base material."

.....




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