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• During application a minimum of 10 Air Changes per Hour
(ACH) is required . Cross ventilation is recommended with
negative pressure in the spray area and exhaust to a secured
empty area . A commercial ventilation unit is recommended .
• Continue to ventilate area for at least 1 hour after the job is
completed at no less than 10 ACH .
• Re-entry into an application site occurring less than 1 hour
post spray with proper ventilation requires the use of an
approved air purifying respirator equipped with an organic
vapor sorbent and a particle filter .
• Ensure ventilation hose output is in a safe and secure location
that will not be accessible to individuals without proper PPE in
a 25 foot radius and is not near an air intake for a structure .
2.3 Isocyanate Sensitization
Inhalation of vapors or mist at concentrations in excess of
permissible limits may result in an allergic respiration response
and the development of sensitization . Skin contact with diisocy-
anates may play a role in respiratory sensitization . Anyone who
has been sensitized in the past should not operate nor be in
close proximity to the operation of these systems as isocyante
concentrations below exposure guidelines may cause allergic
respiratory reactions in individuals who are already sensitized .
Individuals who are sensitized cannot become un-sensitized
and should not handle Froth-Pak
include coughing, difficulty breathing, and a feeling of tightness
in the chest . In rare instances, breathing difficulties may be
life-threatening .
2.4 First Aid
It is important to know the proper steps in first aid if there is any
type of contact with two-component, low-pressure foams . In
severe cases contact a physician, dial 911, and/or transport them
to a medical facility immediately .
2.4.1 Skin Contact
Avoid ALL contact with skin . May cause irritation or
sensitization . If skin contact occurs, remove contam-
inated clothing; carefully remove uncured material
without spreading; wash skin with soap and water .
If irritation occurs or persists, seek medical attention .
. Asthma-like symptoms may
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2.4.2 Removal of Cured Foam on Skin
Froth-Pak
foam will adhere to most surfaces and skin .
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Avoid ALL skin contact . Wear gloves and protective
clothing . Cured foam is difficult to remove . Cured foam
must be mechanically removed or allowed to wear off
in time .
2.4.3 Eye Contact
Avoid ALL contact with eyes . Causes irritation . If contact
with eyes occurs, flush with clean, low pressure water
for 15 minutes while holding eyelids open . Seek medical
attention .
2.4.4 Ingestion
If swallowed, give large amounts of liquids .
DO NOT induce vomiting. Seek medical attention .
2.4.5 Inhalation
Remove to fresh air . If not breathing, give artificial
respiration . If breathing is difficult, oxygen should be
administered by a qualified professional . Call a physician
or transport to a medical facility .
2.5 Overfilling Restricted Spaces
Avoid overfilling restricted spaces . The reaction of these
chemicals causes expansion and may exert enough force to
cause an uncontrolled stream of foam, spraying the work area
and possibly the operator .
2.6 Chemical Information
For more specific information about the chemical components
"A" and "B", refer to the appropriate SDS . KEEP OUT OF REACH
OF CHILDREN .
2.7 Chemical Spills
Consult SDS section 6 for Accidental Release Measures .
2.7.1 "A" Chemical, ISO
If "A" liquid spills from the tank, hose, or Insta-Flo
Gun, provide proper ventilation, wear all PPE and
isolate the spill area . Keep unnecessary and
unprotected personnel from entering the area . Dike
the area and soak up the spill with an oil absorbent
material (vermiculite, sawdust, etc .) . Neutralize the
spillage area with a solution of 90% water, 2% dish
washing detergent, and 8% ammonia . The amount of
this solution should be in excess of the volume of the
spill . Allow the mixture to react for at least 10 minutes .
Collect in an open top waste container and treat with
additional ammonia solution . Remove the container to
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