5. What kinds of applications are not as effective for CRYONOMIC® Equipment?
The effectiveness of CRYONOMIC® Equipment may be limited by some of these factors:
 Base materials and contaminants are multi-varied. Hardness, viscosity, grain, toughness and other such measures combine to make a wide range of cleaning situations.
- Every substrate has a threshold for absorbing energy (Et). If the kinetic energy of the pellets exceeds that threshold, damage will occur.
- Every contaminant or coating exhibits a minimum kinetic energy required to shatter, splinter or be penetrated (Ep).
- In similar fashion, the adhesive bond between the coating and the base material will not fail or be released until a certain minimum shearing force is applied (Es).
CRYONOMIC® Equipment is effective in almost any application where Et is clearly higher than either Ep or Es. This is the "window of effective cleaning".
- Wood and some softer plastics could be damaged. Brittle substances like thin untempered glass, could shatter.
- Some coatings are very hard and some bond very tenaciously. In these cases, CO2 blasting technology may not be the best cleaning method. An example might be removal of baked-on enamel from cast iron.
- Soft contaminants, like grease and oil, tend to splatter and may require special procedures or collection apparatus. In addition, these softer materials may be pushed into cavities and crevices in the object being cleaned, and sometimes the blast effect cannot reach these places. For hardened, baked-on grease, CRYONOMIC® Equipment is very effective.
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