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

MSDS NAME:DURABOND 20 JOINT COMPOUND
NIIN:00F052806
MSDS Number: CDCDK
=== Responsible Party ===
Company:UNITED STATES GYPSUM COMPANY
Address:125 S FRANKLIN ST DEPT 147-4
City:CHICAGO
State:IL
ZIP:60606-4678
Country:US
Info Phone Num:312-606-4542
Emergency Phone Num:312-606-4542
CAGE:61357
=== Contractor Identification ===
Company:UNITED STATES GYPSUM CO
Address:101 S WACKER DR
Box:City:CHICAGO
State:IL
ZIP:60606-4302
Country:US
Phone:312-606-4000 (EMERG /4542)
CAGE:61357

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

Name:CALCIUM CARBONATE, DOMOLITE, LIMESTONE, WHITING  *96-4*
CAS:1317-65-3
RTECS #:EV9580000
Fraction by Wt: 0-25%
ACGIH TLV:10 MG/CUM (DUST)

Name:SILICA, MICA, MUSCOVITE
CAS:12001-26-2
RTECS #:VV8760000
Fraction by Wt: 0-18%
ACGIH TLV:3 MG/CUM

Name:PERLITE
CAS:93763-70-3
RTECS #:SD5254000
Fraction by Wt: 0-12%
Other REC Limits:30 MPPCF MSHA STD
OSHA PEL:15 MG/CUM TOTAL DUST
ACGIH TLV:10 MG/CUM TOTAL DUST

Name:ATTAPULGITE CLAY, HYDROUS MAGNESIUM ALUMINUM SILICATE
CAS:12174-11-7
RTECS #:RT6400000
Fraction by Wt: 0-9%

Name:POLYVINYL ALCOHOL
CAS:9002-89-5
RTECS #:TR8100000
Fraction by Wt: 0-3%

Name:POLYVINYL ACETATE, VINYL ACETATE POLYMER
CAS:9003-20-7
RTECS #:AK0920000
Fraction by Wt: 0-2%

Name:DOUBLE HYDRATED DOLOMITIC LIME
CAS:39445-23-3
Fraction by Wt: 0-1%

Name:POTASSIUM SULFATE
CAS:7778-80-5
RTECS #:TT5900000
Fraction by Wt: 0-1%

Name:KERATINS, HYDROLYZATES
CAS:69430-36-0
Fraction by Wt: 0-0.5%

Name:BIS(DIMETHYLDITHIOCARBAMATO)ZINC, ZIRAM
CAS:137-30-4
RTECS #:ZH0525000
Fraction by Wt: 0-0.09%

Name:STARCH; VANCIDE MZ-96
CAS:9005-25-8
RTECS #:GM5090000
Fraction by Wt: 0-0.2%
Other REC Limits:NUISANCE PARTICULATE
ACGIH TLV:10 MG/CUM TOTAL DUST

Name:HYDROXYPROPYL METHYCELLULOSE
CAS:9004-65-3
RTECS #:NF9125000
Fraction by Wt: 0-0.5%

Name:SORBITOL
CAS:50-70-4
RTECS #:LZ4290000
Fraction by Wt: 0-0.5%

Name:HYDROXYETHYL CELLULOSE, 2-HYDROXYETHYL ETHER CELLULOSE,
    NATROSOL
CAS:9004-62-0
RTECS #:FJ5958000
Fraction by Wt: 0-0.2%

Name:CITRIC ACID, ANHYDROUS CITRIC ACID	* 96-4 *
CAS:77-92-9
RTECS #:GE7350000
Fraction by Wt: <0.2%

Name:SODIUM CITRATE, TRISODIUM SALT, CITRIC ACID
CAS:68-04-2
RTECS #:GE8300000
Fraction by Wt: <0.2%

Name:PLASTER OF PARIS; GYPSUM HEMIHYDRATE
CAS:26499-65-0
RTECS #:TP0700000
Fraction by Wt: 55-90%

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

Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:EYES: MAY CAUSE IRRITATION. SKIN: MY
    CAUSE SEVERE BURNS THAT MAY REQUIRE SURGICAL REMOVAL OF AFFECTED
    TISSUE. INHALATION: IRRITATION TO THE EYES, NOSE, THROAT/UPPER
    RESPIRATORY SYSTEM. LONG TERM EXPOS URE MAY CAUSE LUNG DAMAGE
    (PULMONARY FIBROSIS).
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION, BURNS
Medical Cond Aggravated by Exposure:PRE-EXISTING UPPER RESPIRATORY &
    LUNG DISEASE SUCH AS BRONCHITIS, EMPHYSEMA & ASTHMA.

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

Eyes: FLUSH W/WATER FOR 15 MINS. SKIN: WASH W/SOAP & WATER.
    INHALATION: REMOVE TO FRESH AIR. INGESTION: MAY RESULT IN
    OBSTRUCTION.

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

Flash Point:NONE
Extinguishing Media:NON-COMBUSTIBLE
Fire Fighting Procedures:NONE
Unusual Fire/Explosion Hazard:NONE

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

Spill Release Procedures:SWEEP UP, AVOID CREATING EXCESSIVE DUST. IF
    WASHED DOWN, MAY PLUG DRAINS. IF ALREADY MIXED W/WATER, SCRAPE UP &
    WASH DOWN RESIDUE.

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

Handling and Storage Precautions:KEEP DRY. DEW POINT CONDITIONS/OTHER
    CONDITIONS CAUSING PRESENCE OF LIQUID WILL HARDEN THIS MATERIAL
    DURING STORAGE.

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

Respiratory Protection:WEAR A NIOSH-APPROVED DUST RESPIRATOR.
Ventilation:GENERAL MECHANICAL/LOCAL EXHAUST.
Eye Protection:SAFETY GLASSES/GOGGLES
Supplemental Safety and Health

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

Spec Gravity:2.5-2.6
Solubility in Water:0.15%
Appearance and Odor:OFF WHITE TO GRAY POWDER; LOW ODOR

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

Stability Indicator/Materials to Avoid:YES

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

Waste Disposal Methods:DISPOSE OF TO SANITARY LANDFILL IN ACCORDANCE
    W/LOCAL, STATE & FEDERAL 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.

*** END OF RECORD ***