GIEBEL Xdry® - Protect your systems more efficiently against moisture ingress.

High color contrast color indicator

High water absorbtion capacity

Can be used at high temperatures 

Can be used at low humidity levels


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Dries your systems - even better!

The lower the moisture content of the air flowing into your system, the lower the risk of moisture damage such as rust, reduced oil quality and insufficient lubrication - which is why we fill our adsorbers with GIEBEL Xdry®. 


The mixture combines the strengths of two high-performance desiccants useing the high water absorption capacity and the high-contrast color indicator of silica gel orange-green as well as the strong binding energy of molecular sieve 13X to polar substances. It outperformes air dryers filled with pure silica gel in terms of drying performance and when used at high temperatures or low humidity levels.


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So funktionierts's.

Die beiden im GIEBEL Xdry® enthaltenen Trockenmittel Silicagel Orange-Grün und Molekularsieb 13X adsorbieren Feuchtigkeit auf unterschiedliche Art.  


Silica gel has a large open-pored surface structure in which water molecules attach themselves to the capillaries. The silicon dioxid physically absorbs moisture due to Van der Waals forces acting there. The intermolecular bonds are particularly strong at high humidity and moderate temperatures.


Molecular sieve has a structure similar to a grid. Its size determines which molecules can pass through and which cannot. The zeolith absorbs moisture through selective adsorption, whereby water molecules are bound due to their size and polarity. This adsorption is stronger than with silica gel and also works at low humidity levels and high temperatures. 


Unloaded

Half loaded

Fully loaded

The color indicates when its time for change.

The silica gel granules contained in GIEBEL Xdry indicate when the adsorber needs to be replaced by changing color from orange to green. This is due to the pH indicator contained in the silica gel, which appears orange in an acidic environment and green in an alkaline environment. As the water content increases, the pH value rises and initiates the color change.



Technical data.

DESICCANTS SILICA GEL ORANGE-GREEN MOLECULAR SIEVE 13X
GRAIN SIZE(MM) 3 -5 3 - 5
ACTUAL PORE SIZE(NM) 0.75
EFFECTIVE PORE SIZE(NM) 0.9 - 1.0
BULK DENSITY(KG/L) 0.78 0.60
PORE VOLUME(ML/G) 0.35 - 0.45 0.35 - 0.7
FRACTURE STRENGTH(N) >200 >60
SPECIFIC SURFACE AREA(QM/G) 600 - 800 650 - 1250
575°C LOSS OF IGNITION(%) <2.0
ABRASION RATE(%) <2 <0.2
WATER ABSORPTION CAPACITY(ML/KG) >370 >210


Break through curve:

Isotherm:



Loading process:



Residual humidity:



Water entry:
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FAQ regarding GIEBEL Xdry®.

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