Important Isocyanate (ISO) Information
6
3A8502A
Material Self-Ignition
Keep Components A and B
Separate
Moisture Sensitivity of
Isocyanates
Exposure to moisture (such as humidity) will cause ISO
to partially cure, forming small, hard, abrasive crystals
that become suspended in the fluid. Eventually a film will
form on the surface and the ISO will begin to gel,
increasing in viscosity.
NOTE:
The amount of film formation and rate of
crystallization varies depending on the blend of ISO, the
humidity, and the temperature.
Some materials may become self-igniting if applied
too thick. Read material manufacturer’s warnings and
Safety Data Sheets (SDSs).
Cross-contamination can result in cured material in
fluid lines which could cause serious injury or damage
equipment. To prevent cross-contamination:
•
Never
interchange component A and component
B wetted parts.
•
Never use solvent on one side if it has been
contaminated from the other side.
NOTICE
Partially cured ISO will reduce performance and the life
of all wetted parts.
•
Always use a sealed container with a desiccant
dryer in the vent, or a nitrogen atmosphere.
Never
store ISO in an open container.
•
Use only moisture-proof hoses compatible with
ISO.
•
Never use reclaimed solvents, which may contain
moisture. Always keep solvent containers closed
when not in use.
•
Always lubricate threaded parts with an appropriate
lubricant when reassembling.
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