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Derustit Holland B.V.
It Dok 1
8447 GL Heerenveen,
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Tel: +31 (0)513 610215
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You are here : Home / About Ice Blast / How Ice Blast works 
      

 

How Ice Blast works

Ice: a phase changing media
Ice particles will change phase at normal working temperatures, therefore are ideally suited as a blast cleaning agent. As a phase change solid, ice particles moving at high speed can perform impact cleaning work before phase change, during phase change and after phase change.

 
 
Displace-Scrub-Flush Cleaning Mechanism

1. Before Phase change - Displace
Ice particles are solids possessing momentum to displace contamination on a target. Displacement results when ice particle momentum exceeds the inertia of the contamination.
2. During phase change - Scrub
Ice particles exert a pressure against the surface as it deforms, providing a strong ice-surface interaction whereby minute amounts of contaminations can be scrubbed away. At a blast pressure of about 7 bar, this scrubbing pressure has been estimated to be approximately 300 bar
 
3. After phase change - Flush
Ice particles melt into water to rinse away removed contamination.

 

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