9
Danger of Congelation
At atmospheric pressure, CO
2
in a solid form has a temperature of
-79°C/-109°F or lower and can give rise to congelation when the
dry ice comes in contact with unprotected skin.
Danger of Thrown Loose Objects
There is a risk of dry ice pellets and small objects being deflected
back during blasting. Therefore small objects must be firmly se-
cured before blasting. Loose objects must not be left in the area
where the cleaning process is taking place.
The operator must always wear approved protective goggles or
a protective shield when working with the dry ice blasting ma-
chine. This also applies to anybody near the workspace.
Noise
Because of the high air velocities in the gun nozzle during dry
ice blasting, the level of noise in the area where the operator
works may exceed the maximum permissible level. The owner is
responsible for keeping himself acquainted with, and informing
the operator of any precautions to be taken as to the application of
ear protection, because legislation on maximum permissible noise
levels varies from one country to another.
Dust
Certain types of dust have a tendency to accumulate during the
cleaning process. Therefore, we recommend that the operator
wears a dust mask or if necessary a breathing mask and industrial
protective clothing.
Protective Clothing
When using the dry ice blasting machine, the operator must wear
long-sleeved industrial protective clothing and gloves in order to
eliminate the risk of congelation when the dry ice comes in contact
with unprotected skin.
