SEM PRODUCTS INC -- 3971 SEM FLEX -- 6850-00F047824 
=====================  Product Identification  =====================

Product ID:3971 SEM FLEX
MSDS Date:02/22/1995
FSC:6850
NIIN:00F047824
=== Responsible Party ===
Company Name:SEM PRODUCTS INC
Address:651 MICHAEL WYLIE DR
City:CHARLOTTE
State:NC
ZIP:28217-5000
Country:US
Info Phone Num:415-522-1006/800-831-1122
Emergency Phone Num:415-592-5752/800-831-1122
CAGE:98388
=== Contractor Identification ===
Company Name:SEM PRODUCTS
Address:120 SEM LANE
Box:City:BELMONT
State:CA
ZIP:94002
Phone:(415) 592-5752
CAGE:98420
Company Name:SEM PRODUCTS INC
Address:651 MICHAEL WYLIE DR
City:CHARLOTTE
State:NC
ZIP:28217
Country:US
Phone:415-592-5752
CAGE:98388

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

Ingred Name:TOLUENE (IARC CARC- GROUP 3)     *96-1*
CAS:108-88-3
RTECS #:XS5250000
Fraction by Wt: 25-30%
Other REC Limits:375 MG/CUM
OSHA PEL:100 PPM
ACGIH TLV:100 PPM
EPA Rpt Qty:1000 LBS
DOT Rpt Qty:1000 LBS

Ingred Name:2-BUTANONE (METHYL ETHYL KETONE) (MEK)
CAS:78-93-3
RTECS #:EL6475000
Fraction by Wt: 25-30%
Other REC Limits:590 MG/CUM
OSHA PEL:200 PPM
ACGIH TLV:590 MG/CUM
EPA Rpt Qty:5000 LBS
DOT Rpt Qty:5000 LBS

Ingred Name:BUTYL ACETATE (N-BUTYL ACETATE)   *96-1*
CAS:123-86-4
RTECS #:AF7350000
Fraction by Wt: 14%
Other REC Limits:150 PPM
OSHA PEL:710 MG/CUM
ACGIH TLV:713 MG/CUM
EPA Rpt Qty:5000 LBS
DOT Rpt Qty:5000 LBS

Ingred Name:PROPYLENEGLYCOL MONOMETHYL ETHER ACETATE,
    1-METHOXY-2-PROPANOL ACETATE
CAS:108-65-6
RTECS #:AI8925000
Fraction by Wt: 4%

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

LD50 LC50 Mixture:ORAL LD50(RAT): 3400 MG/KG (SEE SUPP)
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:INHALATION: NASAL & RESPIRATORY
    IRRITANT, ASPHYXIATION. EYES: MODERATE IRRITATION, BLURRED VISION.
    SKIN: MODERATE IRRITATION, DERMATITIS. INGESTION: GI IRRITATION.
    MAY AFFECT THE CENTRAL NERVOUS SYSTE M.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION, DIZZINESS, HEADACHE,
    UNCONSCIOUSNESS, ASPHYXIATION, REDNESS, BLURRED VISION, VOMITING,
    DIARRHEA, INTOXICATION, EUPHORIA
Medical Cond Aggravated by Exposure:BRONCHITIS, CNS DISORDERS,
    ALLERGIES, NAUSEA.

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

First Aid:EYES: FLUSH W/LARGE AMOUNTS OF WATER. SKIN; THOROUGHLY WASH
    W/SOAP & WATER. INHALATION: REMOVE TO FRESH AIR, GIVE CPR IF
    NECESSARY. INGESTION: KEEP PERSON WARM & QUIET. OBTAIN MEDICAL
    ATTENTION IN ALL  CASES.

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

Flash Point Method:TOC
Flash Point:23F
Lower Limits:1.2
Upper Limits:11.5
Extinguishing Media:FOAM, ALCOHOL FOAM, CO2, DRY CHEMICAL
Fire Fighting Procedures:WATER SPRAY MAY BE INEFFECTIVE, BUT MAY BE
    USED TO COOL CONTAINERS EXPOSED TO HEAT. WEAR SELF CONTAINED
    BREATHING APPARATUS.
Unusual Fire/Explosion Hazard:VAPORS MAY IGNITE EXPLOSIVELY. EXPOSURE
    TO HEAT/PROLONGED EXPOSURE TO SUN MAY CAUSE BURSTING. DON'T
    PUNCTURE, INCINERATE/(BURN) CONTAINER.

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

Spill Release Procedures:REMOVE ALL SOURCES OF IGNITION. ALLOW VOLATILE
    PORTION TO EVAPORATE COMPLETELY. AVOID BREATHING VAPORS & REMOVE
    W/INERT ABSORBENT.

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

Handling and Storage Precautions:DON'T STORE/USE NEAR IGNITION SOURCES.
    STORE IN WELL VENTILATED AREA. KEEP CLOSURE TIGHT & CONTAINER
    UPRIGHT TO PREVENT LEAKAGE.
Other Precautions:KEEP OUT OF CHILDRENS REACH. DON'T SPRAY NEAR
    FIRE/FLAME. INTENTIONAL MISUSE BY CONCENTRATING/INHALING THE
    CONTENTS MAY BE HARMFUL/FATAL. AVOID SPONTANEOUS COMBUSTION OF
    CONTAMINATED RAGS/OTHER IGNITA BLE MATERIAL BY IMMERSION IN WATER.

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

Respiratory Protection:USE A NIOSH APPROVED CHEMICAL/MECHANICAL FILTER,
    DESIGNED TO REMOVE A COMBINATION OF PARTICLES & VAPOR.
Ventilation:PROVIDE SUFFICIENT MECHANICAL (GENERAL/LOCAL EXHAUST) TO
    MAINTAIN EXPOSURE 1
Spec Gravity:0.91
VOC Grams/Liter:5.48
Evaporation Rate & Reference:FASTER THAN N-BU ACETATE
Appearance and Odor:CLEAR LIQUID W/STRONG SOLVENT ODOR

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

Stability Indicator/Materials to Avoid:YES
OXIDIZING AGENTS
Stability Condition to Avoid:EXCESSIVE HEAT, OPEN FLAMES, SPARKS, TEMPS
    >120F
Hazardous Decomposition Products:CO2, CO, VARIOUS HYDROCARBONS, OXIDES
    OF NITROGEN
Conditions to Avoid Polymerization:EXCESSIVE HEAT, OPEN FLAMES, SPARK
    SOURCES

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

Waste Disposal Methods:DON'T INCINERATE. DISPOSE OF IN ACCORDANCE
    W/LOCAL, STATE & FEDERAL REGULATIONS. DON'T CONTAMINATE LAKES,
    STREAMS/OTHER WATER SUPPLY.

=======================  Other Information  =======================

 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.