We know that there are main principles how waxes are connected to the ski base. Some waxes penetrate into the inside molecular structure of the ski base which is accessible for waxes only if wax is in the liquid state and ski base is more flexible due to heat. Some waxes stay on the surface and “fill” only surface imperfections and roughness where waxes are partly retained in the “open” surface structure mechanically partly connected with weak chemical bonds.
Attention: surface imperfections and roughness cannot be confused with grinded or imprinted additional structure created by stone-grinding machines or manual structuring equipment. Surface imperfections are related to flat ski base here.
If wax molecules in liquid state enter once the inside molecular structure, fill the “closed” cavities inside the molecular structure of the ski base and change back from liquid to solid state, they cannot be removed again by either chemical agents or mechanical cleaning.
What does it mean?
This means that skis which have been waxed cannot be set back to “zero” status any more even if they have been used and cleaned chemically and mechanically.
What does it mean?
This means that any wax application is reacting / is mixed / is influenced by the wax molecules which remained “locked” inside the “closed” cavities inside the molecular structure of the ski base and which become liquid again as new wax layer is ironed.
What does it mean?
This means that after the very top layer of liquids / speeders / accelerators is worn off - which normally happens within a few hundred meters or a maximum of a few kilometers (depending on the snow type), your ski will glide on a mixture of old and newly applied waxes.
Even if you see a grey or white base surface, the cavities inside the molecular structure of the ski base are filled with old wax molecules which are locked in the closed cavities.
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