ImportantIsocyanateInformation
Material Material
Material
Self Self
Self
- -
-
Ignition Ignition
Ignition
Somematerialsmaybecomeself-ignitingifapplied
toothick.Readmaterialmanufacturer’swarnings
andSDS.
Keep Keep
Keep
Components Components
Components
A A
A
and and
and
B B
B
Separate Separate
Separate
Cross-contaminationcanresultincured
materialinuidlineswhichcouldcauseserious
injuryordamagetoequipment.Toprevent
cross-contamination:
•Never Never
Never
interchangecomponentAandcomponent
Bwettedparts.
•Neverusesolventononesideifithasbeen
contaminatedfromtheotherside.
Changing Changing
Changing
Materials Materials
Materials
NOTICE NOTICE
NOTICE
Changingthematerialtypesusedinyour
equipmentrequiresspecialattentiontoavoid
equipmentdamageanddowntime.
•Whenchangingmaterials,ushtheequipment
multipletimestoensureitisthoroughlyclean.
•Alwayscleantheuidinletstrainersafter
ushing.
•Checkwithyourmaterialmanufacturerfor
chemicalcompatibility.
•Whenchangingbetweenepoxiesandurethanes
orpolyureas,disassembleandcleanalluid
componentsandchangehoses.Epoxiesoften
haveaminesontheB(hardener)side.Polyureas
oftenhaveaminesontheB(resin)side.
Moisture Moisture
Moisture
Sensitivity Sensitivity
Sensitivity
of of
of
Isocyanates Isocyanates
Isocyanates
Exposuretomoisture(suchashumidity)willcause
ISOtopartiallycure,formingsmall,hard,abrasive
crystalsthatbecomesuspendedintheuid.
EventuallyalmwillformonthesurfaceandtheISO
willbegintogel,increasinginviscosity.
NOTICE NOTICE
NOTICE
PartiallycuredISOwillreduceperformanceand
thelifeofallwettedparts.
•Alwaysuseasealedcontainerwithadesiccant
dryerinthevent,oranitrogenatmosphere.
Never Never
Never
storeISOinanopencontainer.
•KeeptheISOpumpwetcuporreservoir(if
installed)lledwithappropriatelubricant.The
lubricantcreatesabarrierbetweentheISOand
theatmosphere.
•Useonlymoisture-proofhosescompatiblewith
ISO.
•Neverusereclaimedsolvents,whichmay
containmoisture.Alwayskeepsolvent
containersclosedwhennotinuse.
•Alwayslubricatethreadedpartswithan
appropriatelubricantwhenreassembling.
NOTE: NOTE:
NOTE:
Theamountoflmformationandrateof
crystallizationvariesdependingontheblendofISO,
thehumidity,andthetemperature.
Foam Foam
Foam
Resins Resins
Resins
with with
with
245 245
245
fa fa
fa
Blowing Blowing
Blowing
Agents Agents
Agents
Somefoamblowingagentswillfrothattemperatures
above90°F(33°C)whennotunderpressure,
especiallyifagitated.Toreducefrothing,minimize
preheatinginacirculationsystem.
8 333024S