=====================  Product Identification  =====================

MSDS NAME:WEATHER WORKER-S-40
NIIN:01-434-5796
Status Code:A
MSDS Number: CKMPL
=== Responsible Party ===
Company:DAYTON SUPERIOR CORP
Address:402 SOUTH FIRST STREET
Box:UNKNOW
City:OREGON
State:IL
ZIP:61061-1836
Country:US
Info Phone Num:815-732-3136
Emergency Phone Num:(800)424-9300
Chemtrec Ind/Phone:(800)424-9300
CAGE:64705
=== Contractor Identification ===
Company:DAYTON SUPERIOR CORP
Address:402 SOUTH FIRST STREET
Box:UNKNOW
City:OREGON
State:IL
ZIP:61061-1836
Country:US
Phone:815-732-3136
CAGE:64705

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

Name:ISOBUTYLTRIMETHOXYSILANE
CAS:18395-30-7
= Wt:40.

Name:ISOPROPANOL
CAS:67-63-0
RTECS #:NT8050000
= Wt:50.
OSHA PEL:400PPM
ACGIH TLV:400 PPM

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

Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Health Hazards Acute and Chronic:INHALATION: BRIEF EXPOSURE MAY CAUSE
    DROWSINESS AND IRRITATE NOSE AND THROAT. EXTREME EXPOSURE MAY
    PRODUCE CENTRAL NERVOUS SYSTEM EFFECTS INCLUDING DIZZINESS,
    POSSIABLE BLINDNESS, NAUSEAFATIUGE AND HE ADACHE.DKIN CONTACT:
    BRIEF EXPOSURE (UP TO 24 HOURS) MAY IRRITATE: PROLONGED EXPOSURE
    MAY IRRITATE SERIOUSLY. EYE CONTACT: DIRECT CONTACT IRRITATES AND
    MAY CAUSE REDNESS, TEARING AND BLURRED VISION. I NGESTION:
    SWALLOWING SMALL AMOUNTS MAY CAUSE BLINDNESS, GASTROINTESTINAL
    IRRITATION, NAUSEA, VOMITING AND DIARRHEA.

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

First Aid:INHALATION: MOVE SUBJECT TO FRESH AIR. IF BREATHING
    DIFFICULTIES DEVELOP, ADMINISTER OXYGEN. IF BREATHING HAS STOPPED,
    ADMINISTER ARTIFICIAL RESPORATION. GET IMMEDIATE MEDICAL ATTENTION.
    SKIN CONTACT:  WASH AFFECTED AREAS WITH SOAP AND WATER. IF
    IRRITATION PERSISTS, SEEK MEDICAL ATTENTION. REMOVE CONTAMINATED
    CLOTHING AND THROUGHLY CLEAN AND DRY BEFORE REUSE. EYE CONTACT:
    FLUSH EYES WITH A LARGE AM MOUNT OF WATER FOR AT LEAST 15 MINITUES
    WHILE LIFTING UPPER AND LOWER EYELIDS. IF IRRITATION PERSISTS, SEEK
    MEDICAL ATTENTION. INGESTION: INDUCE VOMITING. LIE DOWN KEEP WARM.
    COVER EYES TO EXCLUDE LIG HT. GET IMMEDIATE MEDICAL ATTENTION.

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

Flash Point:=12.2C, 54.F
Autoignition Temp:=398.9C, 750.F
Lower Limits:2
Upper Limits:12.0
Extinguishing Media:FOAM, DRY CHEMICAL, CO2. DO NOT USE WATER SPRAY TO
    COOL CONTAINERS.
Fire Fighting Procedures:WEAR SELF CONTAINED BREATHING APPARATUS
    (PRESSURE DEMAND MSHA/NIOSH APPROVED OR EQUIVELENT) AND FULL
    PROTECTIVE GEAR.
Unusual Fire/Explosion Hazard:REACTS NWITH WATERTO FORM METHANOL, A
    FLAMMABLE AND POTENTIALLY EXPLOSIVE MATERIAL. WILL IGNITE UPON
    EXPOSURE TO FLAME.

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

Spill Release Procedures:KEEP SPECTATORS AWAY.ELIMINATE IGNITION
    SOURCES. WEAR RESPORATOR(PRESSURE DEMAND,SELF CONTAINED BREATHING
    APPARATUS MSHA/NIOSH-APPROVED/ EQUIVELENT.AIR MASKS FOR LARGE
    SPILLS.DIKE AND CONTAIN SPILL WI TH INERT MATERIAL(E.G. SAND,
    EARTH).TRANSFER LIQUID TO CONTAINERS FOR RECOV/ DISP. AND SOLID
    DIKING MATERIALTO SEPARATE CONTS.KEEP SPILLS/ CLEANING RUNOFFS OUT
    OF MUNICIPAL SEWERS AND BODIES OF WATER.

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

Handling and Storage Precautions:KEEP COOL DRY WELL VENTILATED AND AWAU
    FROM SOURCES OF IGNITION, STRONG OXIDIZERS AND REDUCERS. GROUND
    CONTAINERS DURING HANDALING. MAX STORAGE TEMPATURE-110F. INDOOR
    ONLY.

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

Respiratory Protection:AIR SUPPLIED OR SELF-CONTAINED IF WORKPLACE
    EXPOSURE EXEEDS LIMITS.
Ventilation:PROVIDE SUFFICIENT EXHAUST VENTILATION TO MAINTAIN SAFE
    EXPOSURE LIMITS.
Protective Gloves:RUBBER OR NEOPRENE
Eye Protection:CHEMICAL SPLASH GOGGLES OR OTHER OSHA APPROVED
Other Protective Equipment:EYE WASH FOUNTAIN, SAFETY SHOWER.
Supplemental Safety and Health

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

Boiling Pt:=82.2C, 180.F
Vapor Density:>1
Spec Gravity:.85
Evaporation Rate & Reference:(BUTYL ACETATE=1) >1
Solubility in Water:COMPLETE
Appearance and Odor:CLEAR LIQUID- ALCHOHOL
Percent Volatiles by Volume:60

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

Stability Indicator/Materials to Avoid:YES
WATER, HUMID AIR.
Stability Condition to Avoid:AVOID EXPOSURE TO WATER, HUMID AIR OR HIGH
    HEAT.
Hazardous Decomposition Products:MAY YEILD CARBON MONOXIDE, CARBON
    DIOXIDE.

===================  Toxicological Information	===================

Toxicological Information:TO THE BEST OF OUR KNOWLEDGE THIS PRODUCT
    CONTAINS NO CHEMICALS KNOWN TO THE STATE OF CALIFORNIA (PROP 65) TO
    CAUSE ANCER OR BIRTH DEFECTS OR OTHER REPRODUCTIVE HARM.

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

Waste Disposal Methods:WHEN DISCARDED, THIS MATERIALIS HAZARDOUS WASTE.
    INCINERATE LIQUID AND CONTAMINATED DIKING MATERIAL, IN ACCORDANCE
    WITH LOCAL STATE AND FEDERAL.

=======================  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.

*** END OF RECORD ***