Product ID:RTV SILICONE RUBBER T331
MSDS Date:09/16/1996
FSC:6850
NIIN:01-167-2003
Status Code:A
MSDS Number: CJVDF

WACKER SILICONES CORP

3301 SUTTON RD
ADRIAN, MI 49221
US

Emergency Phone: 517-264-8500

Info Phone: 517-263-5711

Cage: 0DF77

WACKER SILICONES CORP

ADRIAN, MI 49221 US

Telephone: 517-264-8500

Cage: 0DF77

POLYDIMETHYLSILOXANE

CAS: 63148-62-9

RTECS: JT6484500

CATALYST

METHYLETHYLKETOXIME

CAS: 96-29-7

RTECS: FL9275000

CARBON BLACK

CAS: 1333-86-4

RTECS: FF5800000

OSHA PEL 3.5 MG/M3

ACGIH TLV: 3.5 MG/M3

LD50 LC50 Mixture:NOT SPECIFIED BY MANUFACTURER.
Reports of Carcinogenicity:NTP:NO IARC:YES OSHA:NO
Health Hazards Acute and Chronic:EYE CONTACT: CAUSES SEVERE IRRITATION,
MAY CAUSE BURNS. SKIN CONTACT: CAUSES IRRITATION, MAY BE ABSORBED
THRU THE SKIN. MAY CAUSE SKIN SENSITIZATION. INHALATION: INHALATION
OF MISTS OR VAPORS MAY CAUS E RESPIRATORY TRACT IRRITATION.
INGESTION: NOT EXPECTED IN INDUSTRIAL USE. CHRONIC EFFECTS:
PROLONGED SKIN CONTACT MAY CAUSE SEVERE IRRITATION & BURNS. NOTE:
THIS MATERIAL RELEASES METHYLETHYLKETOXIME (MEKO) UPON HYDROLYSIS.
Explanation of Carcinogenicity:CARBON BLACK HAS BEEN LISTED CLASSIFIED
BY IARC AS A GROUP 2B CARCINOGEN. (INSUFFICIENT HUMAN BUT
SUFFICIENT ANIMAL EVIDENCE).
Effects of Overexposure:EYE CONTACT: CAUSES SEVERE IRRITATION, MAY
CAUSE BURNS. SKIN CONTACT: CAUSES IRRITATION, MAY BE ABSORBED
THROUGH THE SKIN. MAY CAUSE SKIN SENSITIZATION. INHALATION:
INHALATION OF MISTS OR VAPORS MAY C AUSE RESPIATORY TRACT
IRRITATION. INGESTION: NOT EXPECTED IN INDUSTRUAL USE. PROLONGED
SKIN CONTACT MAY CAUSE SEVERE IRRITATION AND BURNS.
Medical Cond Aggravated by Exposure:THERE IS NO DATA AVAILABLE WHICH
ADDRESS MEDICAL CONDITIONS THAT ARE GENERALLY RECOGNIZED AS BEING
AGGRAVATED BY EXPOSURE TO THIS PRODUCT.

First Aid:EYE CONTACT: IMMEDIATELY FLUSH EYES WITH LARGE AMOUNTS OF
RUNNING WATER FOR AT LEAST 15 MINUTES. HOLD EYELIDS APART TO ENSURE
RINSING OF THE ENTIRE SURFACE OF THE EYE AND LIDS WITH WATER. GET
MEDICAL ATTENTION IMMEDIATELY.SKIN CONTACT: REMOVE AS MUCH OF THE
MATERIAL AS POSSIBLE USING MECHANICAL/WATERLESS METHODS BEFORE
WASHING WITH WATER. SEEK MEDICAL ATTENTION FOR ANY BURNS OR
IRRITATION RESULTIN G FROM CONTACT WITH CURE BY-PRODUCTS.

Extinguishing Media:USE CARBON DIOXIDE, DRY CHEMICAL OR FOAM TYPE
EXTINGUISHING MEDIA.
Fire Fighting Procedures:AS IN ANY FIRE, PREVENT HUMAN EXPOSURE TO
FIRE, SMOKE, FUMES, OR PRODUCTS OF COMBUSTION. EVACUATE
NON-ESSENTIAL PERSONNEL FROM THE FIRE AREA. FIRE FIGHTERS SHOULD
WEAR FULL-FACE, SELF-CONTAINED BREATH ING APPARATUS AND IMPERVIOUS
PROTECTIVE CLOTHING.
Unusual Fire/Explosion Hazard:THIS IS A PASTE LIKE MATERIAL THAT WILL
BURN WITH A LAZY SMOLDERING TYPE FLAME. COMBUSTIBLE VAPORS MAY
ACCUMULATE IN THE CONTAINER HEADSPACE ON FORMATION OF HYDROLYSIS
BY-PRODUCTS.VAPORS FROM COMBUSTI ON OF THE UNCURED MATERIAL ARE
TOXIC.

Spill Release Procedures:USE THE FOLLOWING PROCEDURES:ABSORB SPILL WITH
SAND OR FULLER'S EARTH. SWEEP UP AND PLACE IN AN APPROPRIATE
CHEMICAL WASTE CONTAINER. FLUSH SPILL AREA WITH WATER. OBSERVE ALL
LOCAL,STATE, AND FEDERAL LAWS AND REGULATIONS REGARDING DISPOSAL,
SPILL, CLEANUP, REMOVAL, OR DISCHARGE.
Neutralizing Agent:NOT SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE IN A COOL, DRY, WELL-VENTILATED
AREA. EXCERCISE DUE CAUTION TO PREVENT DAMAGE TO THE CONTAINER.
KEEP CONTAINERS CLOSED, EVEN WHEN EMPTY. OPEN CONTAINER WITH CARE.
COMBUSTIBLE VAPORS MAY BE PRESE NT IN THE CONTAINER HEADSPACE AS A
RESULT OF THE FORMATION OF HYDROLYSIS BY-PRODUCTS.
Other Precautions:NOT SPECIFIED BY MANUFACTURER.

Respiratory Protection:IF ADEQUATE VENTILATION IS NOT AVAILABLE, WEAR A
NIOSH/MSHA APPROVED AIR-PURIFYING RESPIRATOR WITH ORGANIC VAPOR
FILTER CARTRIDGES.
Ventilation:MAY USE: GENERAL VENTILATION, LOCAL VENTILATION, ENCLOSURE
OR CONFINEMENT OF OPERATION AND/OR PROCESS ISOLATION WITH REMOTE
CONTROLS.
Protective Gloves:USE GLOVES.
Eye Protection:CHEMICAL SAFETY GLASSES, GOGGLES, OR A FACE SHIELD.
Other Protective Equipment:SUITABLE LONG-SLEEVED CLOTHING SELECTED WITH
REGARD FOR USE CONDITION EXPOSURE POTENTIAL.
Work Hygienic Practices:OPEN CONTAINERS OF FOOD AND BEVERAGES SHOULD BE
KEPT AWAY FROM AREAS WHERE THE PRODUCT IS USED OR STORED.
Supplemental Safety and Health
EATING, DRINKING, SMOKING, AND APPLICATION OF COSMETICS SHOULD BE
PROHIBITED IN AREAS WHERE THE PRODUCT IS BEING USED. BEFORE EATING,
HANDS AND FACE SHOULD BE WASHED TO REMOVE RESIDUAL CONTAMINATION.

HCC:N1
Spec Gravity:1.33
Solubility in Water:NONE
Appearance and Odor:BLACK PASTE, WITH AN OXIME ODOR
Percent Volatiles by Volume:APPROX. 4.2

Stability Indicator/Materials to Avoid:YES
STRONG ACIDS, WATER, IRON, ELECTROPHILES.
Stability Condition to Avoid:STABLE AT AMBIENT TEMPERATURES AND
ATMOSPHERIC PRESSURE.
Hazardous Decomposition Products:NONE SPECIFIED BY MANUFACTURER.
Conditions to Avoid Polymerization:HAZARDOUS POLYMERIZATION MAY OCCUR
ON WATER EXPOSURE, STRONG ACIDS CONTACT, HEAT TREATMENT IN THE
PRESENCE OF IRON.

Waste Disposal Methods:MATERIAL THAT CANNOT BE USED OR CHEMICALLY
REPROCESSED SHOULD BE DISPOSED OF AT AN APPROVED FACILITY IN
ACCORDANCE WITH ANY APPLICABLE REGULATIONS UNDER THE RESOURCE
CONSERVATION AND RECOVERY ACT (RCR A). NOTE: STATE AND LOCAL
REGULATIONS MAY BE MORE STRINGENT THAN THOSE UNDER RCRA.

Toxicological Information:TOXICOLOGICAL TESTING HAS NOT BEEN CONDUCTED
WITH THIS MATERIAL BY WACKED SILICONES CORPORATION.

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.

Ecological:NONE SPECIFIED BY MANUFACTURER.

Transport Information:NOT REGULATED.

SARA Title III Information:SECTION 313: NONE.
Federal Regulatory Information:TSCA: THE PRODUCT OR ITS COMPONENTS ARE
LISTED ON THE TSCA CHEMICAL SUBSTANCE INVENTORY & IS IN COMPLIANCE
WITH ALL APPLICABLE RULES AND ORDERS. ONE OR MORE OF THE COMPONENTS
MAY BE EXEMPT FROM LISTI NG ON THE TSCA INVENTORY.
State Regulatory Information:CALIFORNIA PROPOSITION 65: NO COMPONENTS
LISTED. MASSACHUSETTS SUBSTANCE LIST: NO COMPONENTS LIST.
PENNSYLVANIA HAZARDOUS SUBSTANCE LIST: NO COMPONENTS LISTED. NEW
JERSEY R-T-K HAZARDOUS SUBSTANCE LI ST.