Product ID:PSI-631 SILICONE SEALANT
MSDS Date:07/31/1990
FSC:8040
NIIN:00-118-2695
MSDS Number: BTSMF

POLYMERIC SYSTEMS, INC.

WHEATLAND AND MASON STREETS
PHOENIXVILLE, PA 19460
US

Emergency Phone: 215-935-1170

Info Phone: 215-935-1170

Preparer: EDWARD F.CLUFF

Cage: 0KND3

POLYMERIC SYSTEMS, INC.

PHOENIXVILLE, PA 19460 US

Telephone: 610-935-1170

Cage: 0KND3

DIHYDROXYPOLYDIMETHYLSILOXANE

CAS: 70131-67-8

SILICA, CRYSTALLINE - QUARTZ

CAS: 14808-60-7

RTECS: VV7330000

OSHA PEL SEE TABLE Z-3

ACGIH TLV: 0.1 MG/M3 RDUST;9394

DIMETHYL SILOXANE (DOW CORNING 200)

CAS: 63148-62-9

RTECS: JT6484500

SILICA, AMORPHOUS, PRECIPITATED AND GEL

CAS: 112945-52-5

RTECS: VV7310000

OSHA PEL 6 MG/M3

ACGIH TLV: 10 MG/M3; 9293

METHYL OXIMINO SILANE

CAS: 22984-54-9

METHYLETHYLKETOXIME

CAS: 29129-02-0

Fraction By Weight: 4%

LD50 LC50 Mixture:TWA FOR CRYSTALLINE SILICA IS 10MG/M3
Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:YES IARC:YES OSHA:NO
Health Hazards Acute and Chronic:EYES:MAY CAUSE IRRITATION.SKIN:MAY
CAUSE IRRITATION.INGEST:MAY CAUSE GI TRACT IRRITATION.INHAL:MAY
CAUSE RESPIRATORY IRRITATION AND CNS DEPRESSION.
Explanation of Carcinogenicity:CRYSTALLINE SILICA IS POTENTIAL
CARCINOGEN.
Effects of Overexposure:INHAL:NARCOTIC EFFECT.
Medical Cond Aggravated by Exposure:PERSONS WITH PRE-EXISTING
RESPIRATORY AILMENTS MAY BE AT INCREASED RISK FROM EXPOSURE TO THE
DUST FROM THIS PRODUCT.

First Aid:SKIN:REMOVE CONTAMINATED CLOTHING;WASH WITH SOAP AND
WATER.EYES:FLUSH WITH WATER FOR 15 MINUTES.INHAL:REMOVE TO FRESH
AIR.GIVE OXYGEN OR ARTIFICIAL RESPIRATION IF NEEDED.INGEST:GET
PROMPT QUALIFIED ME DICAL ATTENTION.IF CONSCIOUS,INDUCE VOMITING.

Flash Point Method:COC
Flash Point:250F,121C
Extinguishing Media:WATER,CARBON DIOXIDE,DRY CHEMICAL,SAND,FOAM.
Fire Fighting Procedures:USE A SELF-CONTAINED BREATHING APPARATUS AND
FULL PROTECTIVE EQUIPMENT.COOL FIRE EXPOSED CONTAINERS WITH WATER
FOG.
Unusual Fire/Explosion Hazard:FIRE CONDITIONS MAY EVOLVE TOXIC FUMES.

Spill Release Procedures:LET THE PRODUCT AIR CURE ON AN
ABSORBANT.COLLECT AND PLACE IN AN APPROPRIATE CONTAINER FOR
DISPOSAL.
Neutralizing Agent:NONE

Handling and Storage Precautions:AVOID MOISTURE DURING STORAGE.
Other Precautions:FOLLOW LABEL DIRECTIONS.

Respiratory Protection:WHERE ENVIRONMENTAL CONTROLS ARE LACKING OR IN
ENCLOSED SPACES USE A SELF-CONTAINED BREATHING APPARATUS.
Ventilation:LOCAL VENTILATION AT THE WORKSITE;MECHANICAL(GENERAL)
VENTILATION TO MAINTAIN TLV/PEL.
Protective Gloves:DISPOSABLE PLASTIC
Eye Protection:SAFETY GLASSES
Other Protective Equipment:PROTECTIVE CLOTHING,AS NEEDED.PROVIDE A
LOCAL EYE WASH STATION AND SAFETY SHOWER.
Work Hygienic Practices:USE REASONABLE CARE IN HANDLING THIS
PRODUCT.WASH HANDS AFTER USE AND BEFORE EATING.
Supplemental Safety and Health
NONE

HCC:N1
Vapor Pres:<5
Vapor Density:>1
Spec Gravity:1.3
pH: 7
Evaporation Rate & Reference:>1 (N-BUTYL ACETATE=1)
Solubility in Water:SLIGHT
Appearance and Odor:PASTE;SLIGHT MEDICINAL ODOR.COLOR NOT REPORTED.

Stability Indicator/Materials to Avoid:YES
MOISTURE
Stability Condition to Avoid:HIGH HEAT,SOURCES OF IGNITION.
Hazardous Decomposition Products:METHYLETHYLKETOXIME.

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH FEDERAL,STATE AND
LOCAL REGULATIONS.MFR STATES THAT THE CURED PRODUCT CAN BE DISPOSED
OF A SYNTHETIC RUBBER SCRAP.

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.