AMERICAN CHEMICAL & FLUX PRODUCTS -- HARD-N-TUFF  -- 3439-00N022271
<pre>=====================  Product Identification  =====================

Product ID:HARD-N-TUFF
MSDS Date:06/01/1990
FSC:3439
NIIN:00N022271
MSDS Number: BLSGM
=== Responsible Party ===
Company Name:AMERICAN CHEMICAL & FLUX PRODUCTS
Address:5722 UNION PACIFIC AVE
City:LOS ANGELES
State:CA
ZIP:90022
Country:US
Info Phone Num:213-723-0713;716-344-1160
Emergency Phone Num:213-723-0713;716-344-1160
CAGE:OBTX0
=== Contractor Identification ===
Company Name:AMERICAN CHEMICAL CORP
Address:35555 CURTIS BLVD
Box:City:EAST LAKE
State:OH
ZIP:44094
Phone:215-943-7600
CAGE:OBTX0
Company Name:MARCO CO
Address:5722 UNION PACIFIC AVENUE
Box:City:LOS ANGELES
State:CA
ZIP:90022-5135
Country:US
Phone:213-723-0711
CAGE:55278

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

Ingred Name:CHROMIUM (III) OXIDE (2:3); (CHROMIUM OXIDE)
CAS:1308-38-9
RTECS #:GB6475000
Fraction by Wt: 15%

Ingred Name:AMMONIUM CHLORIDE  (SARA III)
CAS:12125-02-9
RTECS #:BP4550000
Fraction by Wt: 6.3%
OSHA PEL:10 MG/M3/20 STEL
ACGIH TLV:10 MG/M3 FUME; 9192
EPA Rpt Qty:5000 LBS
DOT Rpt Qty:5000 LBS

Ingred Name:BORIC ACID; (SODIUM BORATE)
CAS:10043-35-3
RTECS #:ED4550000
Fraction by Wt: 5-10%

Ingred Name:MANGANESE DIOXIDE
CAS:1313-13-9
RTECS #:OP0350000
Fraction by Wt: 5-10%
OSHA PEL:5MG/M3 (AS MN CPDS)
ACGIH TLV:5 MG/M3 (AS MN DUST)

Ingred Name:CARBON SAND; (CALCINED PETROLEUM COKE FLOUR)
CAS:64743-05-1
Fraction by Wt: 5-10%

Ingred Name:SODIUM CARBONATE (2:1); (SODA ASH)
CAS:497-19-8
RTECS #:VZ4050000
Fraction by Wt: 5-10%

Ingred Name:TITANIUM DIOXIDE
CAS:13463-67-7
RTECS #:XR2275000
Fraction by Wt: 5-10%
OSHA PEL:15 MG/M3 TDUST
ACGIH TLV:10 MG/M3 TDUST; 9293

Ingred Name:SILICA, AMORPHOUS FUMED. LD50:ORAL(RAT)3160 MG/KG
CAS:112945-52-5
RTECS #:VV7310000
Fraction by Wt: 5-10%
OSHA PEL:6 MG/M3 TDUST (MFR)
ACGIH TLV:10 MG/M3 TDUST (MFR)

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

LD50 LC50 Mixture:SEE INGREDIENTS
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:GENERALLY VIEWED AS NON-TOXIC. AVOID
    INHALATION AS WITH ANY METAL OXIDE DUST.
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:NOT APPLICABLE.
Medical Cond Aggravated by Exposure:NOT APPLICABLE.

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

First Aid:SKIN: FLUSH WITH WATER. EYES: FLUSH WITH WATER FOR AT LEAST
    15 MIN. INHAL: REMOVE TO FRESH AIR. SUPPORT BRTHG. (GIVE O2/ARTF
    RESP) . INGEST: CALL MD IMMED .

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

Flash Point:NONE
Extinguishing Media:NOT APPLICABLE. MEDIA SUITABLE FOR SURROUNDING FIRE
    .
Fire Fighting Procedures:NOT APPLICABLE. WEAR NIOSH/MSHA APPROVED SCBA
    AND FULL PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE.

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

Spill Release Procedures:SWEEP UP, AVOID AERATION TO MAKE DUST. CAN BE
    REUSED IF NOT CONTAMINATED WITH OTHER MATERIALS.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:AVOID DUSTING, KEEP DRY. AVOID CONTACT
    WITH EYES. DO NOT TAKE INTERNALLY. AVOID INHALATION.
Other Precautions:NOT APPLICABLE.

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

Respiratory Protection:IN DUST FORM WEAR NIOSH/MSHA APPROVED RESPIRATOR
    FOR METALLIC OXIDES.
Ventilation:USE IN WELL VENTILATED AREA.
Protective Gloves:RECOMMENDED.
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:NOT APPLICABLE.
Work Hygienic Practices:WASH SKIN CONTACT AREAS WITH SOAP AND WATER. DO
    NOT USE OR HANDLE NEAR FOOD.
Supplemental Safety and Health
NONE SPECIFIED BY MANUFACTURER.

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

HCC:V7
Spec Gravity:0.71
Solubility in Water:48%
Appearance and Odor:GREEN POWDER, SLIGHT AMMONIA ODOR.

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

Stability Indicator/Materials to Avoid:YES
Stability Condition to Avoid:DO NOT MIX WITH OTHER MATERIALS. USE ONLY
    AS DIRECTED.
Hazardous Decomposition Products:AT HIGH TEMPERATURE PRODUCTS MAY
    LIBERATE AMMONIA.

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

Waste Disposal Methods:DISPOSE IN ACCORDANCE WITH CURRENT PRACTICE FOR
    METAL SALTS. DISPOSE OF IN ACCORDANCE WITH FEDERAL, STATE AND LOCAL
    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.