=====================  Product Identification  =====================

MSDS NAME:GR-941
NIIN:00-633-8373
MSDS Number: BFJNW
=== Responsible Party ===
Company:POLYESTER DIV.-MARCO,W.R. GRACE AND CO.
Emergency Phone Num:201-862-5600
CAGE:76172
=== Contractor Identification ===
Company:MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
Address:DEPTS/AGENCIES UNDER AUTH OF DEF STD
Box:MANUAL
City:4120 3-M
Phone:804-279-4371 DSN 695-4371
CAGE:81349
Company:POLYESTER DIV.-MARCO,W.R. GRACE & CO.
CAGE:76172

=============  Composition/Information on Ingredients  =============

Name:POLYESTER RESIN

Name:VEHICLE
Fraction by Wt: 35%
ACGIH TLV:100PPM

=====================  Hazards Identification  =====================

Effects of Overexposure:IRRITATING TO ALL PARTS OF RESPIRATORY
    TRACT.BOTH LIQUID STYRENE AND VAPOR CAN BE EXTREMELY IRRITATI

=======================  First Aid Measures  =======================

First Aid:INHALATION:MOVE SUBJECT TO FRESH AIR,KEEP WARM,GIVE OXYGEN OR
    ARTIFICIAL RESPIRATION AS REQUIRED.SKIN CONTACT:WASH WITH SOAP AND
    WATER.EYES:FLUSH PROMPTLY WITH COMPIOUS AMOUNTS OF WATER FOR 15
    MINUTES  AND CONSULTS PHYS.INGESTION:CONSULT PHYSICIAN PRO

=====================  Fire Fighting Measures  =====================

Flash Point:PMCC 90F 32.1 C
Lower Limits:1.1
Upper Limits:6.1
Extinguishing Media:DRY POWDER,FOAM,CARBON DIOXIDE
Fire Fighting Procedures:EXTINGUISH FLAME FROM PERIMETER INWARD TOWARD
    MAIN BODY OF
Unusual Fire/Explosion Hazard:POLYESTERS UNDERGO EXOTHERMIC
    POLYMERIZATION.IF A CLOSED DRUM IS CAUGHT IN A FIRE VIOLENT RUP

==================  Accidental Release Measures  ==================

Spill Release Procedures:REMOVE SATURATED CLOTHES AND WASH AFFECTED
    AREAS WITH SOAP AND WATER.REMOVE SOURCES OF IGNITION(FLAMES,HOT
    SURFACES,ELECTRICAL STATIC,FRICTIONAL SPARKS).VENTILATED AREA.USE
    MEASURES OUTLINED IN SECTIO N VIII. ABSORB WITH INERT
    MATERIAL(E.G.VERMICULIT

======================	Handling and Storage  ======================

Handling and Storage Precautions:STORE AND HANDLE AS NATIONAL FIRE
    PROTECTIVE ASSOC,CLASS I-C FLAMMABLE LIQUID.STORE BELOW 27C(80 F)
    IN A CLOSED CONTAINER AND DRY AREA TO AVOID SPOIL
Other Precautions:IN BULK STORAGE,CHECK VENTS AND FLAME ARRESTORS FOR
    PLUGGING BY THE FORMATION OF POLYMER.GROUND ALL
    CONNECTIONS,ETC.WHEN USING.

=============  Exposure Controls/Personal Protection  =============

Respiratory Protection:UP TO 100PPM AND ABOVE-SELF-CONTAINED APPARATUS
Ventilation:YES-TO COMPLY TO SEC. II AND IV USE EXPLOSION-PROOF MOTORS.
Protective Gloves:NEOPRENE OR MON
Eye Protection:SAFETY GLASSES TO PROTECT
Other Protective Equipment:PROTECTIVE CLOTHING TO MINIMIZE SKIN
    CONTACT.SAFETY SHOWERS
Supplemental Safety and Health
IRRITATING TO ALL PARTS OF RESPIRATORY TRACT.BOTH LIQUID STYRENE AND
    VAPOR CAN BE EXTREMELY IRRITATING TO EYES.LIQUID CONTACT WITH SKIN
    MAY CAUSE MODERATE IRRITATION.

==================  Physical/Chemical Properties  ==================

HCC:F4
Boiling Pt:B.P. Text:>150 F
Vapor Pres:5.2
Vapor Density:3.6
Spec Gravity:1.1
Evaporation Rate & Reference:VISCOUS LIQUID WIT
Solubility in Water:INSOLUBLE
Appearance and Odor:H SHARP ODOR (STYRENE)
Percent Volatiles by Volume:35

=================  Stability and Reactivity Data  =================

Stability Indicator/Materials to Avoid:YES
STRONG ACIDS,PEROXIDES AND OTHER OXIDIZING AGENTS.
Stability Condition to Avoid:SUNLIGHT,OPEN FLAMES,CONTAMINATION AND
    PROLONGED STORAGE ABO
Hazardous Decomposition Products:CARBON MONOXIDE AND DIOXIDE,LOW
    MOLECULAR WEIGHT HYDROCARBON
Conditions to Avoid Polymerization:SUNLIGHT,OPEN FLAMES, CONTAMINATION
    AND PROLONGED STORAGE AB

====================  Disposal Considerations  ====================

Waste Disposal Methods:RESIN MIXED WITH PEROXIDE INITATORS BEFORE
    SPILL,SHOULD BE MIXED WITH INERT FILLER AND REMOVE TO OPEN
    AREA.ALLOW TIME TO GEL CURE. USE SANITARY LANDFILL OR
    INCINERATION.DO NOT INCINERATE CLOSED CONTAI NERS.DISPOSAL MUST BE
    CARRIED OUT IN ACCORDANCE.

 Disclaimer (provided with this information by the compiling agencies):
 This information is formulated for use by elements of the Department
 of Defense.  The United States of America in no manner whatsoever,
 expressly or implied, warrants this information to be accurate and
 disclaims all liability for its use.  Any person utilizing this
 document should seek competent professional advice to verify and
 assume responsibility for the suitability of this information to their
 particular situation.

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