WASHINGTON MILLS MINERALS COMPANY -- SILICON CARBIDE  -- 6810-00F015365
<pre>=====================  Product Identification  =====================

Product ID:SILICON CARBIDE
MSDS Date:02/15/1989
FSC:6810
NIIN:00F015365
=== Responsible Party ===
Company Name:WASHINGTON MILLS MINERALS COMPANY
Address:1801 BUFFALO AVE
Box:423
City:NIAGARA FALLS
State:NY
ZIP:14302
Info Phone Num:(716) 278-6763
Emergency Phone Num:(716) 278-6763
Preparer's Name:DEAN VENTURIN
CAGE:27715
=== Contractor Identification ===
Company Name:WASHINGTON MILLS ELECTRO MINERALS CORP
Address:1801 BUFFALO AVE
Box:423
City:NIAGARA FALLS
State:NY
ZIP:14302-0423
Country:US
Phone:716-278-6600
CAGE:27715

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

Ingred Name:SILICON
CAS:7440-21-3
RTECS #:VW0400000
Fraction by Wt: <1%
OSHA PEL:15 MG/M3 TDUST
ACGIH TLV:10 MG/M3 TDUST; 9293

Ingred Name:GRAPHITE, SYNTHETIC
CAS:7440-44-0
RTECS #:FF5250100
Fraction by Wt: <1%
OSHA PEL:15 MG/M3 TDUST
ACGIH TLV:2 MG/M3 TDUST; 9293

Ingred Name:CHROMIUM, ION (CR 3+)
CAS:16065-83-1
RTECS #:GB6261000
Fraction by Wt: <1%
ACGIH TLV:500 UG/M3

Ingred Name:IRON
CAS:7439-89-6
RTECS #:NO4565500
Fraction by Wt: <1%

Ingred Name:ALUMINUM  (SARA III)
CAS:7429-90-5
RTECS #:BD0330000
Fraction by Wt: <1%
OSHA PEL:15MG/M3 DUST/5 FUME
ACGIH TLV:10MG/M3 DUST; 9192

Ingred Name:CALCIUM
CAS:7440-70-2
RTECS #:EV8040000
Fraction by Wt: <1%

Ingred Name:MAGNESIUM
CAS:7439-95-4
RTECS #:OM2100000
Fraction by Wt: <1%

Ingred Name:TITANIUM (DRY POWDER) (TI)
CAS:7440-32-6
RTECS #:XR1700000
Fraction by Wt: <1%

Ingred Name:VANADIUM  (SARA III)
CAS:7440-62-2
RTECS #:YW1355000
Fraction by Wt: <1%
OSHA PEL:C,0.5 MG V2O5/M3 RD
ACGIH TLV:0.05 MG V205/M3;9293

Ingred Name:ZIRCONIUM
CAS:7440-67-7
RTECS #:ZH7070000
Fraction by Wt: <1%
OSHA PEL:5 MG/M3/10 STEL
ACGIH TLV:5 MG/M3/10 STEL;9192

Ingred Name:SILICON CARBIDE
CAS:409-21-2
RTECS #:VW0450000
Fraction by Wt: 97-99%
OSHA PEL:15 MG/M3 TDUST
ACGIH TLV:10 MG/M3 TDUST; 9293

Ingred Name:SILICA AMORPHOUS HYDRATED, SILICEOUS EARTH, FUMED SILICA,
    COLLOIDAL SILICON DIOXIDE, (SUSPECTED HUMAN CARCINOGEN)
CAS:112945-52-5
RTECS #:VV7310000
Fraction by Wt: 0.1-2%
Other REC Limits:20 MPPCF
OSHA PEL:80 MG/CUM (%SIO2+2)
ACGIH TLV:0.2 MG/CUM RESP/DUST

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

Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:INHALATION: COUGHING, SHORTNESS OF
    BREATH. SKIN: ABRASIONS. EYES/INGESTION: IRRITATION.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:INHALATION: COUGHING, SHORTNESS OF BREATH.
    SKIN: ABRASIONS. EYES/INGESTION: IRRITATION.

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

First Aid:INHALATION: REMOVE TO FRESH AIR. APPLY ARTIFICIAL RESPIRATION
    AS NEEDED. EYES: WASH W/LARGE AMOUNTS OF WATER. INGESTION: OBTAIN
    MEDICAL ATTENTION IN ALL CASES.

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

Spill Release Procedures:HANDLE W/ADEQUATE VENTILATION FOR NUISANCE
    DUST. NORMAL CLEANUP PROCEDURES. RESPIRATORS MAY BE REQUIRED.

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

Handling and Storage Precautions:HANDLE W/ADEQUATE VENTILATION FOR
    NUISANCE DUST.

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

Respiratory Protection:AS NEEDED, APPROVED DUST RESPIRATOR.
Ventilation:LOCAL EXHAUST/MECHANICAL: RECOMMENDED
Protective Gloves:AS DESIRED BY USER
Eye Protection:RECOMMENDED
Supplemental Safety and Health

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

Boiling Pt:B.P. Text:SUBLIMES
Melt/Freeze Pt:M.P/F.P Text:2300C
Spec Gravity:3.2
Solubility in Water:INSOLUBLE
Appearance and Odor:GRANULAR BLACK OR GREEN, ODORLESS

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

Stability Indicator/Materials to Avoid:YES

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

Waste Disposal Methods:STANDARD LANDFILL METHODS CONSISTENT
    W/APPLICABLE FEDERAL, STATE & LOCAL LAWS.

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