CRC CHEMICALS -- HEAVY DUTY SILICONE (AERO), 5074 -- 9150-00N003936 
=====================  Product Identification  =====================

Product ID:HEAVY DUTY SILICONE (AERO), 5074
MSDS Date:04/01/1991
FSC:9150
NIIN:00N003936
=== Responsible Party ===
Company Name:CRC CHEMICALS
Address:885 LOUIS DRIVE
City:WARMINSTER
State:PA
ZIP:18974
Country:US
Info Phone Num:215-674-4300
Emergency Phone Num:215-674-4300
Preparer's Name:A.B. REED
CAGE:CRCCE
=== Contractor Identification ===
Company Name:CRC CHEMICALS
Address:885 LOUIS DRIVE
City:WARMINSTER
State:PA
ZIP:18974
Country:US
Phone:215-674-4300
CAGE:CRCCE
Company Name:CRC INDUSTRIES, INC.
Address:885 LOUIS DRIVE
Box:City:WARMINSTER
State:PA
ZIP:18974-2820
Country:US
Phone:215-674-4300/800-424-9300
CAGE:10136

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

Ingred Name:PETROLEUM NAPHTHA
CAS:64742-89-8
Fraction by Wt: 42%
Other REC Limits:100 MG/M3 (MFR)
OSHA PEL:500 MG/M3 (MFR)

Ingred Name:ETHANE, 1,1,1-TRICHLORO-; (METHYL CHLOROFORM)  (SARA III)
CAS:71-55-6
RTECS #:KJ2975000
Fraction by Wt: 51%
OSHA PEL:350 PPM;450 PPM STEL
ACGIH TLV:350 PPM;450 PPM STEL
EPA Rpt Qty:1000 LBS
DOT Rpt Qty:1000 LBS
Ozone Depleting Chemical:1

Ingred Name:CARBON DIOXIDE
CAS:124-38-9
RTECS #:FF6400000
Fraction by Wt: 4%
OSHA PEL:5000 PPM
ACGIH TLV:5000PPM/30000STEL;93

Ingred Name:DOW CORNING 200 FLUID; (DIMETHYL POLYSILOXANE)
CAS:63148-62-9
RTECS #:JT6484500
Fraction by Wt: 3%

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

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:CHLOROCARBON MATLS HAVE PRODUCED
    SENSITIZATION OF THE MYOCARDIUM TO EPINEPHRINE IN LABORATORY
    ANIMALS AND COULD HAVE A SIMILAR EFFECT IN HUMANS. ADRENOMIMETICS
    (E.G., EPINEPHRINE) MAY BE CONTRAINDICAT ED EXCEPT FOR
    LIFE-SUSTAINING USES IN HUMANS ACUTELY OR CHRONICALLY EXPOSED TO
    CHLOROCARBONS . (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ:ACUTE:INHAL:HEADACHE, DIZZINESS,
    NAUSEA, ANESTHESIA & UNCONSCIOUSNESS. EYES:MAY BE IRRITATING.
    SKIN:MAY BE IRRITATING. CHRONIC:PROLONGED HIGH LEVELS OF PETROLEUM
    NAPHTHA MAY DAMAGE NERVE TISS UE - HIGH LEVELS OF 1,1,1
    TRICHLOROETHANE MAY AFFECT LIVER & KIDNEYS.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:IF SYMPTOMS PERSIST, CALL MD. INHAL:REMOVE TO FRESH AIR.
    APPLY ARTIFICIAL RESPIRATION IF NEEDED. EYES:FLUSH W/LARGE AMOUNTS
    OF WATER FOR AT LEAST 15 MINUTES. SKIN:WASH W/SOAP & WATER. REMOVE
    CONTAMINA TED CLOTHING. INGEST:DO NOT INDUCE VOMITING.

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

Flash Point Method:TCC
Flash Point:<20F,<-7C
Extinguishing Media:FOAM, CARBON DIOXIDE, DRY CHEMICALS.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED PRESSURE DEMAND SCBA
    & FULL PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:THERMAL DECOMPOSITION PRODUCTS MAY
    INCLUDE HCL & PHOSGENE . AEROSOL CANS MAY EXPLODE WHEN HEATED
    >130F.

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

Spill Release Procedures:REMOVE SOURCES OF IGNITION, VENTILATE AREA.
    ABSORB LIQUID & PUT IN A VAPOR TIGHT CONTAINER.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:STORE IN A COOL DRY AREA. AEROSOLS MAY
    EXPLODE IF EXPOSED TO TEMPERATURES >130F.
Other Precautions:NO SMOKING IN AREA OF USE. DO NOT USE IN THE GENERAL
    VICINITY OF ARC WELDING, OPEN FLAMES OR HOT SURFACES. HEAT AND/OR
    UV RADIATION MAY CAUSE THE FORMATION OF HCL AND/OR PHOSGENE .

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

Respiratory Protection:USE NIOSH/MSHA APPROVED SCBA ABOVE TLV.
Ventilation:REQUIRED IN A CONFINED AREA TO MAINTAIN VAPOR BELOW TLV.
Protective Gloves:SOLVENT RESISTANT GLOVES.
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:NOT NORMALLY REQUIRED FOR AEROSOL USE.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
NOTE:THIS IS A REFORMULATION. PART NUMBER INDICATOR "B" DENOTES NEWER
    PRODUCT THAN "A", 9150-00-N00-3936. INGREDIENTS & OTHER CHANGES
    APPLY .

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

Boiling Pt:B.P. Text:152F,67C
Vapor Pres:85 PSIG
Vapor Density:HVR/AIR
Spec Gravity:0.9268
Evaporation Rate & Reference:RAPID
Solubility in Water:NOT SOLUBLE
Appearance and Odor:CLEAR WATER WHITE LIQUID; SOLVENT ODOR.
Percent Volatiles by Volume:97

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

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZERS.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:THERMAL (CARBON MONOXIDE, HYDROGEN
    CHLORIDE & POSSIBLY PHOSGENE).

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

Waste Disposal Methods:PARTIALLY USED & UNUSED AEROSOLS ARE HAZARDOUS
    WASTE IF DISCARDED. DISPOSE IN CONFORMANCE W/FEDERAL, STATE & LOCAL
    REGULATIONS.

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 disclaims all liability for its use.  Any person utilizing this
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