<p>the cementing material is pulled from the nest like, in accordance with the &quot;physics&quot; interpretation of liquid in a container sealed container and liquid evaporation, temperature and pressure relationship between three curves of saturation of the. In a closed container, containing saturated steam pressure, is increased with the increase of temperature, when the temperature was 20.C, the bulging pressure is 0.01MPa; when the temperature is between 70~80.C is straight </p>
<p>up to 0.1MPa; in the hot summer extreme ground radiation heat up to 70.C in many areas, in this under high temperature, epoxy binder has softened adhesive force is greatly reduced, so it is tantamount to a tire gradually drum gas, the epoxy surface layer had the bag, will be pulled into a honeycomb binder; where no blisters part epoxy layer and ground part with strong, careful observation will also contact part that part of the reason is not curing, moisture curing </p>
<p>epoxy not; then water from whence? Water sources are mainly in the following: 1. base, such as cement mortar layer, the maximum The moisture content is about 12%, and the maximum moisture content of the base is larger than the leveling layer. 2. dehydration in other ingredients in epoxy. 3., epoxy and base construction is poorly combined, leaving voids and chemical activity of the epoxy itself, not completely solidified or encountered moisture, moisture, </p>
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