Moisture: Difference between revisions
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Several factors influence the water content of a material: | Several factors influence the water content of a material: | ||
*The'''Materials''' themselves: Depending on the chemical composition, the porosity, the inner surfaces and their composition each material has a different capacity to absorb moisture, both form air humidity or as liquid water. | *The '''Materials''' themselves: Depending on the chemical composition, the porosity, the inner surfaces and their composition each material has a different capacity to absorb moisture, both form air humidity or as liquid water. | ||
* The'''relative humidity''': Water absoption from the air is moslty a funktion of the relative humidity. The higher the relative humidity, the more moisture is absorbed from the air. | * The'''relative humidity''': Water absoption from the air is moslty a funktion of the relative humidity. The higher the relative humidity, the more moisture is absorbed from the air. | ||
*'''Liquid Water Uptake''': In addition to the absorption of water from the air it can be taken up in considerable amounts in the liquid phase of rain, condensation and rising damp. | *'''Liquid Water Uptake''': In addition to the absorption of water from the air it can be taken up in considerable amounts in the liquid phase of rain, condensation and rising damp. | ||
Revision as of 07:18, 17 August 2011
<bibimport/>
Author: Hans-Jürgen Schwarz
back to SaltWiki:Community_portal
Overview of the chapters on moisture
Introduction
The moisture content is an important parameter for the assessment of salt and moisture damage. It should therefore always be known and should be determined.
Several factors influence the water content of a material:
- The Materials themselves: Depending on the chemical composition, the porosity, the inner surfaces and their composition each material has a different capacity to absorb moisture, both form air humidity or as liquid water.
- Therelative humidity: Water absoption from the air is moslty a funktion of the relative humidity. The higher the relative humidity, the more moisture is absorbed from the air.
- Liquid Water Uptake: In addition to the absorption of water from the air it can be taken up in considerable amounts in the liquid phase of rain, condensation and rising damp.