EG&G WAKEFIELD ENGINEERING -- THERMAL JOINT COMPOUND W-120,(SEE SUPP) -- 6850-01-136-9025 
=====================  Product Identification  =====================

Product ID:THERMAL JOINT COMPOUND W-120,(SEE SUPP)
MSDS Date:01/11/1988
FSC:6850
NIIN:01-136-9025
=== Responsible Party ===
Company Name:EG&G WAKEFIELD ENGINEERING
Address:60 AUDUBON ROAD
City:WAKEFIELD
State:MA
ZIP:01880
Country:US
Info Phone Num:617-245-5900
Emergency Phone Num:617-245-5900
Preparer's Name:DAVID F HEGARTY
CAGE:92218
=== Contractor Identification ===
Company Name:EG & G WAKEFIELD ENGINEERING
Address:80 AUDUBON RD
Box:City:WAKEFIELD
State:MA
ZIP:01880
Country:US
Phone:617 245 5900
CAGE:05820
Company Name:EG&G WAKEFIELD ENGINEERING
Address:60 AUDUBON ROAD
City:WAKEFIELD
State:MA
ZIP:01880
Country:US
Phone:617-245-5900/FAX 617-246-0874
CAGE:92218

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

Ingred Name:ZINC OXIDE
CAS:1314-13-2
RTECS #:ZH4810000
Fraction by Wt: 60-80%
Other REC Limits:N/K 
OSHA PEL:15MG/M3 TDUST/5 FUME
ACGIH TLV:10MG/M3 TDUST; 9293

Ingred Name:SILICONE RESIN
CAS:63148-62-9
RTECS #:JT6484500
Fraction by Wt: 20-40%
Other REC Limits:N/K 
OSHA PEL:N/K 
ACGIH TLV:N/K 

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

LD50 LC50 Mixture:N/K 
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:HARMFUL IF SWALLOWED.EXPOSURE IS
    UNLIKELY TO OCCUR UNLESS PRODUCT IS APPLIED IN A MANNER WHICH
    RESULTS IN GENERATION OF MISTS OR FUMES,OR WHEN MACHINING OF THE
    CURED PRODUCT RESULTS IN GENERATION OF D UST PARTICLES.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:EYES:SLIGHT IRRITATION UPON DIRECT
    CONTACT.SKIN:POSSIBLE IRRITATION.INGESTION:HARMFUL IF
    SWALLOWED.INHALATION:INHALATION OF VAPORS AT ELEVATED TEMPERATURES
    MAY CAUSE IRRITATION.
Medical Cond Aggravated by Exposure:NO DATA AVAILABALE FOR THIS PRODUCT
    MIXTURE.

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

First Aid:EYES:FLUSH WITH WATER FOR 15 MINUTES.GET MEDICAL ATTENTION IF
    IRRITATION PERSISTS.SKIN:REMOVE CONTAMINATED CLOTHING.WASH AFFECTED
    AREA WITH WATER.GET MEDICAL ATTENTION IF SYMPTOMS
    PERSIST.INGESTION:DI LUTE WITH WATER.GET IMMEDIATE MEDICAL
    ATTENTION.INHALATION:REMOVE TO FRESH AIR.GIVE OXYGEN IF BREATHING
    DIFFICULT;GIVE ARTIFICIAL RESPIRATION IF NOT BREATHING.GET
    IMMEDIATE MEDICAL ATTENTION.

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

Flash Point:SEE SUPP DATA
Extinguishing Media:CARBON DIOXIDE,DRY CHEMICAL,FOAM,WATER FOG.
Fire Fighting Procedures:FIREFIGHTERS SHOULD WEAR SELF-CONTAINED
    BREATHING APPARATUS.
Unusual Fire/Explosion Hazard:TOXIC VAPORS OF CARBON MONOXIDE,CARBON
    DIOXIDE,SILICON DIOXIDE AND ZINC OXIDE MAY BE EVOLVED UPON EXPOSURE
    TO HEAT OR OPEN FLAME.

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

Spill Release Procedures:WIPE UP OR ABSORB WITH VERMICULITE/ABSORBENT
    MATERIAL.FOR LARGE SPILL SCRAPE OR SHOVEL ABSORBED WASTE &
    ABSORBENT INTO CONTAINERS.IN ALL SPILLS:FINISH BY SCRUBBING AREA
    WITH SOAPY WATER & RINSE.PREVEN T RINSES FROM ENTERING DRAINS OR
    OTHER WATERWAYS.
Neutralizing Agent:N/K 

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

Handling and Storage Precautions:STORE IN COOL,DRY PLACE;KEEP REMOVED
    FROM ANY HEAT OR OPEN FLAME.
Other Precautions:DO NOT INGEST OR SWALLOW THIS MATERIAL.PREVENT
    CONTACT WITH SKIN,EYES OR CLOTHING.

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

Respiratory Protection:N/K 
Ventilation:CONSULT LOCAL SAFETY/HEALTH AUTHORITIES IF ADDITIONAL
    GUIDANCE IS NEEDED .
Protective Gloves:WEAR PROPER PROTECTIVE GLOVES.
Eye Protection:CHEMICAL SAFETY GOGGLES,FP/A.
Other Protective Equipment:WEAR PROPER PROTECTIVE CLOTHING TO PREVENT
    EXPOSURE.
Work Hygienic Practices:REMOVE CONTAMINATED CLOTHING AND WASH BEFORE
    REUSING.
Supplemental Safety and Health
PART NUMBER/TRADE NUMBER:SILICONE COMPOUND.VAPOR PRESSURE:<1 MMHG AT
    25C,77F.% VOLATILES BY WEIGHT:NEGLIGIBLE.FLASH POINT:NOT
    ESTABLISHED.>250F,121C BASED ON FLASH POINTS OF COMPONENTS.ROUTES
    OF ENTRY :INHALATION/INGESTION .

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

Melt/Freeze Pt:M.P/F.P Text:N/K 
Decomp Temp:Decomp Text:N/K 
Vapor Pres:SEE SUPP
Vapor Density:>1 (AIR=1)
Spec Gravity:2.20 (WATER=1)
Solubility in Water:NEGLIGIBLE
Appearance and Odor:WHITE PASTE.ODOR THRESHOLD HAS NOT BEEN
    ESTABLISHED.

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

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZERS
Stability Condition to Avoid:EXPOSURE TO HEAT/OPEN FLAME,UNCONTROLLED
    MIXING WITH OR EXPOSURE TO INCOMPATIBLE SUBSTANCES.
Hazardous Decomposition Products:CARBON MONOXIDE,CARBON DIOXIDE,SILICON
    DIOXIDE AND ZINC OXIDE.
Conditions to Avoid Polymerization:AVOID EXPOSURE TO HEAT/OPEN
    FLAME,UNCONTROLLED MIXING WITH OR EXPOSURE INCOMPATIBLE SUBSTANCES.

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

Waste Disposal Methods:DISPOSAL MUST BE IAW FED,STATE,& LOCAL
    REGS.COORDINATION W/ SUPPORTING INSTALLATION/MACOM ENVIRONMENTAL
    COORDINATION PRIOR TO DISPOSAL IS REC TO DETERM APPROPRIATE DISP
    METHODS .SPILLED MATERIAL  & WATER RINSES ARE CLASSIFIED AS
    CHEMICAL WASTE.

 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.