Product ID:3-6121 LOW TEMP ELASTOMER,BASE
MSDS Date:11/09/1993
FSC:6850
NIIN:00F045543
Kit Part:Y
MSDS Number: BYLSK

DOW CORNING CORPORATION

3901 SOUTH SAGINAW ROAD
MIDLAND, MI 48686-5601
US

Emergency Phone: 517-496-6000/517-496-5900

Info Phone: 517-496-4000/517-496-8577

Cage: 5D028

DOW CORNING CORP

997 MIDLAND, MI 48686-0997 US

Telephone: 517-496-6000/517-496-6315

Cage: 5D028

HEXAMETHYLDISILAXANE, SILICA REACTION PRODUCT *95-4*

CAS: 68909-20-6

Fraction By Weight: 27%

DIMETHYLVINYLATED & TRIMETHYLATED SILICA *95-4*

CAS: 68988-89-6

Fraction By Weight: 7%

2,6-CIS-DIPHENYLHEXAMETHYLCYCLOTETRASILOXANE *95-4*

CAS: 33204-76-1

RTECS: GZ4390000

Fraction By Weight: 0.02%

HEPTAMETHYLMONOPHENYLCYCLOTETRASILOXANE *95-4*

CAS: 10448-09-6

RTECS: GZ4392000

Fraction By Weight: 0.5%

Routes of Entry: Inhalation:NO Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:SKIN: SEVERAL REPEATED EXPOSURES
(24-48 HRS) MAY CAUSE IRRITATION. PRODUCT CAN FORM FORMALDEHYDE
VAPORS. FORMALDEHYDE IS POTENTIAL CANCER HAZARD, A KNOW SKIN &
RESPIRATORY SENSITIZER, IRRITANT TO THE EYES, NOSE, THROAT, SKIN &
DIGESTIVE SYSTEM.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:REDNESS, DRYNESS.
Medical Cond Aggravated by Exposure:PRE-EXISTING ADVERSE MEDICAL
CONDITIONS & ALLERGIC REACTIONS.

First Aid:EYES: IMMEDIATELY FLUSH W/WATER. SKIN: WIPE OFF & FLUSH
W/WATER. OBTAIN MEDICAL ATTENTION IN ALL CASES.

Flash Point Method:CC
Flash Point:212F
Extinguishing Media:WATER FOG, CO2, DRY CHEMICAL, FOAM
Fire Fighting Procedures:WEAR SCBA & PROTECTIVE CLOTHING.
Unusual Fire/Explosion Hazard:NONE

Spill Release Procedures:REMOVE & USE ABSORBENT MATERIAL TO TAKE CARE
OF ANY OIL-LIKE RESIDUES. SAFE HANDLING CONDITIONS MAY BE
MAINTAINED BY KEEPING VAPOR CONCENTRATIONS W/IN THE OSHA
PERMISSIBLE EXPOSURE LIMIT FOR FORMALDEH YDE.

Handling and Storage Precautions:USE REASONABLE CARE & CAUTION.
Other Precautions:TRACES OF BENZENE MAY FORM IF HEATED IN AIR >300F.
PROVIDE VENTILATION TO CONTROL VAPOR EXPOSURE. HIGH TEMP MAY
EVOLVE/GENERATE PHENYLHEPTAMETHYLCYCLOTETRASILOXANE &
2,6-CIS-DIPHENYLHEXAMETHYL CYCLOTE TRASILOXANE.

Respiratory Protection:USE RESPIRATORY PROTECTION UNLESS LOCAL EXHAUST
VENTILATION IS ADEQUATE/AIR SAMPLING DATA SHOW EXPOSURES W/IN TLV &
PEL GUIDELINES.
Ventilation:LOCAL EXHAUST/MECHANICAL (GENERAL) VENTILATION.
Eye Protection:SAFETY GLASSES
Work Hygienic Practices:WASHING AT MEALTIME & END OF SHIFT IS ADEQUATE.
Supplemental Safety and Health

Vapor Pres:<5
Spec Gravity:1.13
Solubility in Water:<0.1
Appearance and Odor:PASTE-LIKE, TRANSLUCENT WHITE W/VERY LITTLE ODOR.
Percent Volatiles by Volume:<5/WT

Stability Indicator/Materials to Avoid:YES
OXIDIZING MATERIAL
Stability Condition to Avoid:UNVENTILATED HIGH TEMP >212F.
Hazardous Decomposition Products:SILICON DIOXIDE, CO2 & TRACES OF
INCOMPLETELY BURNED CARBON PRODUCTS, INCLUDES FORMALDEHYDE.

Waste Disposal Methods:DISPOSE OF IAW/FEDERAL, STATE & 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.