POLYMERIC SYSTEMS, INC. -- PSI-601 SILICONE SEALANT  -- 8040-00-843-0802
<pre>=====================  Product Identification  =====================

Product ID:PSI-601 SILICONE SEALANT
MSDS Date:08/26/1993
FSC:8040
NIIN:00-843-0802
Status Code:A
Kit Part:Y
MSDS Number: CLQMK
=== Responsible Party ===
Company Name:POLYMERIC SYSTEMS, INC.
Address:723 WHEATLAND STREET
City:PHOENIXVILLE
State:PA
ZIP:19460
Country:US
Info Phone Num:215-935-1170
Emergency Phone Num:215-935-1170
Preparer's Name:ED CLUFF
CAGE:0KND3
=== Contractor Identification ===
Company Name:POLYMERIC SYSTEMS, INC.
Address:723 WHEATLAND STREET
Box:City:PHOENIXVILLE
State:PA
ZIP:19460
Country:US
Phone:610-935-1170
CAGE:0KND3

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

Ingred Name:VOC: 0.4 LBS/GAL;  40 GRAMS/LITER
RTECS #:9999999VO
Other REC Limits:NONE SPECIFIED

Ingred Name:METHYLTRIACETOXYSILANE
CAS:4253-34-3
RTECS #:VV4500000
Fraction by Wt: 2-6%
Other REC Limits:NONE SPECIFIED

Ingred Name:ETHYLTRIACETOXYSILANE
CAS:17689-77-9
Fraction by Wt: 2-6%
Other REC Limits:NONE SPECIFIED

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

Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE: SEVERE IRRITATION TO
    RESPIRATORY TRACT, PULMONARY EDEMA, EYE LACRIMATION, CORNEAL EDEMA,
    SKIN IRRITATION AND DERMATITIS.		       CHRONIC:
    BRONCHITIS, LARYNGITIS; DERMATITIS, CONJUNCT IVITIS.
Effects of Overexposure:IRRITATION TO SKIN, EYES, AND MUCOUS MEMBRANES.
    MAY CAUSE DISCOMFORT, TEARING, CHOKING, OR BURNING SENSATION.
Medical Cond Aggravated by Exposure:RESPIRATORY, SKIN, OR EYE DISEASES.

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

First Aid:REMOVE TO FRESH AIR. WASH SKIN WITH SOAP AND WATER. FLUSH
    EYES WITH WATER FOR AT LEAST 15 MINUTES.

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

Flash Point Method:CC
Flash Point:>400F,>204C
Extinguishing Media:WATER SPRAY, CO2, DRY CHEMICALS, FOAM, SAND
Fire Fighting Procedures:USE SELF-CONTAINED BREATHING APPARATUS
    OPERATED IN A POSITIVE PRESSURE MODE.
Unusual Fire/Explosion Hazard:TOXIC GASES AND AEROSOLS MAY BE PRODUCED
    BY COMBUSTION, E.G. CO AND SIO2.

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

Spill Release Procedures:MATERIAL RELEASES ACETIC ACID ON EXPOSURE TO
    AIR. PROVIDE ADEQUATE VENT DURING CLEAN UP. WEAR PROPER PROTECTION
    EQUIPMENT IF HANDLING LARGE AMOUNTS. TRANSFER TO A WASTE CONTAINER.
    LET CURE TO SOLID RU BBER, ALLOWING LIBERATED ACETIC ACID
    TODISSIPATE.
Neutralizing Agent:AQUEOUS SODIUM BICARBONATE

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

Handling and Storage Precautions:AVOID PROLONGED SKIN CONTACT.
    LIBERATED ACETIC ACID VAPORS CAUSE IRRITATION TO SKIN, EYES, AND
    BRONCHIAL TISSUE. DO NOT INGEST.
Other Precautions:WASH BEFORE EATING, DRINKING, OR SMOKING. DO NOT RUB
    EYES WHILE WORKING WITH SEALANT.

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

Respiratory Protection:IF USED IN A CLOSED SPACE WHERE VENTILATION IS
    INADEQUATE, USE A CHEMICAL CARTRIDGE RESPIRATOR WITH FULL FACE
    PIECE AND ORGANIC VAPOR CARTRIDGE(S) (MSHA AND NIOSH APPROVED) TO
    PROTECT AGAINST ACETIC A CID VAPORS.
Ventilation:RECOMMENDED 10 AIR CHANGES PER HOUR.
Protective Gloves:DISPOSIBLE PLASTIC FOR FREQUENT/PROLONGD
Eye Protection:SAFETY GLASSES
Other Protective Equipment:NONE
Supplemental Safety and Health
KEY1:C3.

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

HCC:F4
Decomp Temp:Decomp Text:>752F,>400C
Vapor Pres:<5 MM
Vapor Density:2.07
Spec Gravity:1.04 (WATER=1)
pH:3-5
Viscosity:10-20000POISE
Solubility in Water:MODERATE
Appearance and Odor:THICK PASTE, VINEGAR LIKE ODOR
Percent Volatiles by Volume:4-7

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

Stability Indicator/Materials to Avoid:YES
AVOID PROLONGED CONTACT WITH MOISTURE DURING STORAGE.
Hazardous Decomposition Products:ACETIC ACID FROM MOISTURE CONTACT. CO
    AND VOLATILE ORGANICS AND SILICA AEROSOLS FROM THERMAL DEGRADATION.

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

Waste Disposal Methods:NOT AN EPA HAZARDOUS WASTE. DISPOSE OF IN
    ACCORDANCE WITH APPROPRIATE GOVERNMENTAL REGULATIONS. EPA IGNITABLE
    D001.

 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.