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XYPEX Crystalline Technology
What
Is XYPEX?
Xypex is a non-toxic, chemical treatment for the waterproofing
and protection of concrete. Xypex's primary and most distinguishing
performance feature is its unique ability to generate a non-soluble
crystalline formation deep within the pores and capillary tracts
of the concrete - a crystalline structure that permanently seals
the concrete against the penetration of water and other liquids
from any direction. Xypex crystalline products are dry powder
compounds composed of portland cement, silica sand and many active,
proprietary chemicals.
How
Does XYPEX Work?
To create its crystalline waterproofing effect, Xypex must
become an integral part of the concrete mass. It does so by taking
advantage of the natural and inherent characteristics of concrete;
concrete is both porous (capillary tract system) and chemical in
nature. By means of diffusion, the reactive chemicals in Xypex use
water as a migrating medium to enter and travel through the capillary
tracts in the concrete. This process precipitates a chemical reaction
between Xypex, moisture and the natural chemical by-products of
cement hydration (calcium hydroxide, mineral salts, mineral oxides
and unhydrated and partially hydrated cement particles). The result
is crystallization and, ultimately, a non-soluble crystalline structure
that plugs the pores and capillary tracts of the concrete. In this
condition, the pores become discontinuous and the concrete is thereby
rendered impenetrable by water and other liquids from any direction.
The Xypex crystalline process will reactivate whenever water is
present.
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