• Shrink Fitting can often be performed in minutes
• Shrink Fitting can provide a precision fit
• Shrink Fitting will not damage the majority of ferrous and non-ferrous metals
• Heating components may take hours to achieve the necessary expansion
• Heating components can cause distortion and damage
• After shrinking, component reaches ambient temperature more rapidly than if heated
• Heating may introduce an imprecise fit between components
• Shrink Fitting maintains the interference fit for which the components were designed
• No discolouration of metal after Shrink-Fitting
• Shrink Fitting can eliminate the need for keyways or other fixing methods
• Shrink Fitting can also be employed to dismantle assemblies

Metal	Shrinkage*	As the shrinkage table indicates, the majority of interferences found in engineering assemblies can be easily accommodated by Liquid Nitrogen shrink-fitting. Cooling from ambient to -196°c. *Thousandths of an inch per inch diameter or microns per mm diameter
Aluminium	3.8
Brass	3.4
Steel	1.9
Cast Iron	1.8
Copper	3.0
Magnesium	4.5
Nickel	2.1
Zinc	5.4

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