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

MSDS NAME:SILICONE RUBBER SEALANT, RTV108
NIIN:01-173-9815
MSDS Number: CHSWB
=== Responsible Party ===
Company:GE SILICONES
Address:260 HUDSON RIVER RD
City:WATERFORD
State:NY
ZIP:12188
Country:US
Info Phone Num:518-237-3330
Emergency Phone Num:518-237-3330
Preparer's Name:CE HANNIGAN
CAGE:GESIL
=== Contractor Identification ===
Company:GE SILICONES
Address:260 HUDSON RIVER ROAD
City:WATERFORD
State:NY
ZIP:12188
Country:US
Phone:518-237-3330
CAGE:GESIL
Company:GENERAL ELECTRIC CO, SILICONE PRODUCTS BUSINESS DEPT
Address:260 HUDSON RIVER RD
Box:City:WATERFORD
State:NY
ZIP:12188
Country:US
Phone:518-237-3330/800-332-3390
CAGE:01139

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

Name:METHYLTRIACETOXYSILANE; LD50 (ORAL RAT): 2,060 MG/KG
CAS:4253-34-3
RTECS #:VV4500000
Fraction by Wt: 1-5%
OSHA PEL:10 PPM (MFR)
ACGIH TLV:10 PPM (MFR)

Name:OCTAMETHYLCYCLOTETRASILOXANE; LD50 (ORAL RAT): >64,000
    MG/KG
CAS:556-67-2
RTECS #:GZ4397000
Fraction by Wt: 1-5%
OSHA PEL:N/K 
ACGIH TLV:5 PPM (MFR)

Name:POLYDIMETHYLSILOXANE SILANOL/STPD; LD50 (ORAL RAT): >40000
    MG/KG
CAS:70131-67-8
Fraction by Wt: 60-80%
OSHA PEL:N/K 
ACGIH TLV:N/K 

Name:SILANOL/STPD SILOXANE W/ME SILSQXNS; LD50 (ORAL RAT):
    >40,000 MG/KG
CAS:68554-67-6
Fraction by Wt: 5-10%
OSHA PEL:N/K 
ACGIH TLV:N/K 

Name:TREATED FUMED SILICA; LD50 (ORAL RAT): >10,000 MG/KG
CAS:68611-44-9
Fraction by Wt: 10-30%
OSHA PEL:15 PPM (MFR)
ACGIH TLV:N/K 

Name:SUP DAT: RANGE FINDING REPRO STUDIES WERE CONDUCTED (WHOLE
    BODY INHAL, 70 DAYS PRIOR TO MATING, THRU MATING, (ING 8)
RTECS #:9999999ZZ

Name:ING 7: GESTATION & LACTATION)
    W/OCTAMETHYLCYCLOTETRASILOXANE (D4). RATS WERE EXPOSED TO 70 & 700
    PPM. IN 700 PPM (ING 9)
RTECS #:9999999ZZ

Name:ING 8: GROUP, THERE WAS A STATISTICALLY SIGNIFICANT
    REDUCTION IN MEAN LITTER SIZE & IN IMPLANTATION SITES. (ING 10)
RTECS #:9999999ZZ

Name:ING 9: INTERIM RSLTS FROM A 2 GENERATION REPRO STUDY IN
    RATS EXPOSED TO 500 & 700 PPM D4 (WHOLE BODY INHAL, (ING 11)
RTECS #:9999999ZZ

Name:ING 10: 70 DAYS PRIOR TO MATING, THRU MATING, GESTATION &
    LACTATION) RSLTD IN STATISTICALLY SIGNIFICANT DECR IN (ING 12)
RTECS #:9999999ZZ

Name:ING 11: LIVE MEAN LITTER SIZE AS WELL AS EXTENDED PERIODS
    OF OFFSPRING DELIVERY (DYSTOCIA). RELEVANCE OF THESE (ING 13)
RTECS #:9999999ZZ

Name:ING 12: DATA TO HUMANS IS UNCLEAR. FURTHER STUDIES ARE
    ONGOING. THIS PROD CONTAINS METHYLPOLYSILOXANES WHICH (ING 14)
RTECS #:9999999ZZ

Name:ING 13: CAN GENERATE FORMALDEHYDE AT APPROX 300F (150C) &
    ABOVE, IN ATMS WHICH CONTAIN OXYGEN. FORMALDEHYDE IS (ING 15)
RTECS #:9999999ZZ

Name:ING 14: A SKIN & RESPIRATORY SENSITIZER, EYE & THROAT
    IRRITANT, ACUTE TOXICANT, & POTENTIAL CANCER HAZARD. (ING 16)
RTECS #:9999999ZZ

Name:ING 15: AN MSDS FOR FORMALDEHYDE IS AVAILABLE FROM GE
    SILICONES.
RTECS #:9999999ZZ

Name:OTHER PREC: UNCURED PROD CONT IRRITATES EYES & MAY IRRITATE
    SKIN. USE IN WELL-VENTILATED AREA TO PREVENT IRRIT BY VAPS.
RTECS #:9999999ZZ

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

LD50 LC50 Mixture:SEE INGREDIENTS.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE: INGEST: MAY BE HARMFUL IF
    SWALLOWED. SKIN: UNCURED PROD CONT WILL IRRITATE LIPS, GUMS &
    TONGUE. UNCURED PROD MAY IRRITATE SKIN. INHAL: CAUSES IRRIT OF
    MOUTH, NOSE & THROAT. APPLIES ONLY TO UNCU RED PROD. EYES: UNCURED
    PROD CONT IRRITATES EYES. SUBCHRONIC (TARGET ORGAN) EFTS: REPRO
    DISORDERS. (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ: MAY CAUSE LIVER EFTS. INGEST: RODENTS
    GIVEN LGE DOSES VIA ORAL GAVAGE OF OCTAMETHYLCYCLOTETRASILOXANE
    (1600 MG/KG/DAY, 14 DAYS), DEVELOPED INCRD LIVER WTS RELATIVE TO
    UNEXPOSED CTL ANIMALS D UE TO HEPATOCELLULAR HYPERPLASIA
    (INCRDNUMBER OF LIVER CELLS WHICH APPEAR NORM) AS WELL AS
    HYPERTROPHY (SUP DAT)
Medical Cond Aggravated by Exposure:NONE KNOWN.

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

First Aid:INGESTION: RINSE MOUTH WITH WATER SEVERAL TIMES. SKIN: TO
    CLEAN FROM SKIN, REMOVE COMPLETELY WITH A DRY CLOTH OR PAPER TOWEL,
    BEFORE WASHING WITH DETERGENT AND WATER. GET MEDICAL ATTENTION IF
    IRRITATI ON PERSISTS. INHALATION: MOVE PERSON TOFRESH AIR. EYES:
    IMMEDIATELY FLUSH WITH PLENTY OF WATER FOR AT LEAST 15 MINUTES AND
    GET MEDICAL ATTENTION IF IRRITATION PERSISTS. NOTE TO MD: NONE
    KNOWN.

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

Extinguishing Media:ALL STANDARD FIREFIGHTING MEDIA.
Fire Fighting Procedures:NONE KNOWN. WEAR NIOSH APPROVED SCBA AND FULL
    PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE SPECIFIED BY MANUFACTURER.

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

Spill Release Procedures:WIPE, SCRAPE/SOAK UP W/INERT MATERIAL & PUT IN
    CONTAINER FOR DISPOSAL. WASH WALKING SURFACES W/DETERGENT & WATER
    TO REDUCE SLIPPING HAZARD. WEAR PROPER PROTECTIVE EQUIPMENT AS
    SPECIFIED IN PROTECTIVE  EQUIPMENT SECTION. INCREASE AREA
    VENTILATION.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:CAUTION! REMOVE CONT LENSES BEFORE
    USING SEALANT. DO NOT HANDLE LENSES UNTIL ALL SEALANT HAS BEEN
    CLEANED FROM FINGERTIPS, NAILS & CUTICLES.
Other Precautions:RESIDUAL SEALANT MAY REMAIN ON FINGERS FOR SEVERAL
    DAYS & TRANSFER TO LENSES & CAUSE SEV EYE IRRIT. AVOID SKIN & EYE
    CONT. PROD RELEASES ACETIC ACID DURING APPLICATION & CURING. USE
    MECH VENT TO STAY  BELOW TLV OF 10 PPM ACETIC ACID.(ING 17)

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

Respiratory Protection:USE IN A WELL-VENTILATED AREA. USE APPROVED
    NIOSH RESPIRATORY PROTECTION IF TLV EXCEEDED, OR OVEREXPOSURE IS
    LIKELY.
Ventilation:USE ONLY IN A WELL-VENTILATED AREA.
Protective Gloves:CLOTH GLOVES.
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:NONE KNOWN. EMERGENCY EYEWASH AND DELUGE
    SHOWER MEETING ANSI DESIGN CRITERIA .
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
EFTS OF OVEREXP: (INCREASED CELL SIZE). INHAL: IN INHALATION STUDIES,
    LAB RODENTS EXPOSED TO OCTAMETHYLCYCLOTETRASILOXANE (300 PPM 5
    DAYS/WEEK, 90 DAYS) DEVELOPED INCREASED LIVER WEIGHTS IN FEMALE ANI
    MALS RELATIVE TO UNEXPOSED CONTROL ANIMALS. WHEN EXPOSURE WAS
    STOPPED, LIVER WEIGHTS RETURNED TO NORMAL. (ING 7)

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

Spec Gravity:1.06 (H*2O=1)
VOC Pounds/Gallon:41
Evaporation Rate & Reference:<1 (BUTYL ACETATE=1)
Solubility in Water:INSOLUBLE
Appearance and Odor:TRANSLUCENT SOLID WITH ACETIC ACID ODOR.
Percent Volatiles by Volume:<3.9

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

Stability Indicator/Materials to Avoid:YES
NONE KNOWN.
Stability Condition to Avoid:NONE KNOWN.
Hazardous Decomposition Products:CARBON MONOXIDE, CARBON DIOXIDE,
    SILICON DIOXIDE, ACETIC ACID, FORMALDEHYDE.

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

Waste Disposal Methods:DISPOSAL SHOULD BE MADE IN ACCORDANCE WITH
    FEDERAL, STATE AND LOCAL REGULATIONS.

 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.

*** END OF RECORD ***