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Material
Safety Data Sheet
Section 1:
Substance Identity and Company Information
Product
Name: Northwest Foam
Expanded Polystyrene Modified Grade
Manufacturer: Northwest
Foam Products, Inc.
2390 Rostron Circle, Twin Falls, ID 83301
800-398-0804 (8am-5pm MT)
Chemical
Name/Synonyms: Modified EPS, Modified Foam
Polystyrene
Chemical Family:
Ethenylbenzene Homopolymer
Chemical
Formula: (C8H8)n
Section 2:
Chemical Composition
Ingredient
CAS No. Approx. Weight Percentage
Benzene, Ethenyl-, Homopolymer
9003-53-6 >98%
Hexabromocyclododecane (Fire
Retardant) 3194-55-6 <1%
Pentane
109-66-0 <1%
Section 3: Hazards Identification
Primary route(s) of entry into
body: Inhalation and ingestion
Acute effects:
Eyes: Dust
particles may cause mechanical irritation.
Skin: Direct
contact may cause slight skin irritation.
Inhalation: May
cause respiratory discomfort similar to inhalation of too
much "inert" dust.
Ingestion:
Biologically inert.
Chronic effects
in humans: No known adverse effects.
Section 4: First Aid Measures
Eye contact: Hold eyelids open
and flush immediately with gentle stream of water for at
least 15 minutes.
Seek medical attention if
irritation persists.
Skin contact: Wash exposed
areas with mild soap and water.
Inhalation: Move person to
fresh air. If breathing is difficult seek medical attention.
Ingestion: Not likely to cause
serious injury if ingested.
Section 5: Fire Fighting Measures
Flash Pt. and Method Used: 6750
F (ASTM D-1929 per bead manufacturers)
Special Fire fighting
Instructions: Use self-contained breathing apparatus
respirator and approved personal
protective clothing.
Extinguishing Media: Water fog,
carbon dioxide, foam and dry chemical.
Auto-Ignition Temperature: 8800
F (ASTM D-1929 per bead manufacturers)
Unusual Fire and Explosion
Hazards: Combustion causes dense, black smoke. Smoke
consists of carbon monoxide, carbon dioxide and styrene.
Other undetermined hydrocarbon fractions could be released
in small quantities.
Section 6: Accidental Release Measures
Spill or leak procedures:
Pickup or if material is in small pieces, sweep up and place
in suitable container for disposal
Reportable Quantity: None
Disposal Method: Recycle,
incinerate with waste heat recovery, or landfill in
accordance with federal, state and local regulations.
Section 7: Handling and Storage
Storage: Although expanded
polystyrene contains a fire retardant additive, it is
considered combustible and
adequate protection from sources
of ignition should be taken.
Section 8: Exposure Controls and Personal Protection
Personal protective equipment:
Respiratory
Protection: Use approved dust mast when sawing or sanding
Gloves: none
required
Eye Protection:
Use approved safety glasses/goggles when sawing or sanding.
Section 9:
Physical and Chemical Properties
Appearance: Rigid blocks or
boards Melting Point: Not Applicable (softening
begins at 1600
F)
Odor: Slight hydrocarbon
odor. Volatiles by Volume:
<2
Physical state:
Solid Vapor Density
(Air=1): Not Applicable
Color:
White
Evaporation Rate: None
Boiling Point: Not
Applicable Solubility in water:
Insoluble
pH: Not Applicable
Specific gravity: <1
Section 10: Stability and Reactivity
Stability: The product is
stable.
Conditions to Avoid: Fire and
high temperatures.
Incompatibility:
Hydrocarbons, esters, insecticides, amines and aldehydes.
Hazardous polymerization: None.
Hazardous decomposition: Carbon
monoxide, acid gases, water, carbon dioxide, carbon.
Section 11: Toxicological Information
Ventilation: No special
ventilation requirements
Personal protective equipment:
Respiratory
Protection: Use approved dust mast when sawing or sanding
Gloves: none
required
Eye Protection:
Use approved safety glasses/goggles when sawing or sanding.
Section 12: Ecological Information
Biologically Inert
Section 13: Disposal Considerations
Non hazardous waste. Dispose of
material according to local, state, federal regulations.
Section 14: Transport Information
Not a "Hazardous Material"
Section 15: Regulations
TSCA Status: Listed
Hazard Ratings: Health: 0 Fire:
2 Reactivity: 0
Section 16: Other Information
Expanded Polystyrene materials
sold for construction use have a fire retardant modifier but
are considered combustible, as are all organic materials.
They must not be stored or installed near open flame or any
other source of ignition. In addition, when EPS insulation
is installed in the interior of a structure it must be
protected by a proper thermal barrier, and the installer
must review applicable local, state and federal building
codes to determine the correct thermal barrier for the
particular application
The information in the MSDS was
obtained from sources which we believe are reliable.
However the information is provided without any warranty,
express or implied, regarding it's correctness. The
conditions or methods of handling, storage, use and disposal
of the product are beyond our control and may be beyond our
knowledge. For this and other reasons, we do not assume
responsibility and expressly disclaim liability for loss,
damage or expense arising out of or in any way connected
with the handling, storage, use or disposal of the product.
This MSDS was prepared and is to be used only for this
product. If the product is used as a component in another
product, this MSDS information may not be applicable.
Date of Preparation: 6/1/03
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