THE CARBORUNDUM ELECTRO MINERALS COMPANY -- CARBORUNDUM SILICON CARBIDE GRAINS 6-220  -- 9620-00N006545
<pre>=====================  Product Identification  =====================

Product ID:CARBORUNDUM SILICON CARBIDE GRAINS 6-220
MSDS Date:01/01/1985
FSC:9620
NIIN:00N006545
=== Responsible Party ===
Company Name:THE CARBORUNDUM ELECTRO MINERALS COMPANY
Emergency Phone Num:716-278-2000
CAGE:61158
=== Contractor Identification ===
Company Name:UNIFRAX CORPORATION
Address:2351 WHIRLPOOL ST
Box:City:NIAGARA FALLS
State:NY
ZIP:14305-2413
Country:US
Phone:800-322-2293(M-F;8-430EST)
CAGE:61158
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 CARBIDE
CAS:409-21-2
RTECS #:VW0450000
Fraction by Wt: >95%
OSHA PEL:15 MG/M3 TDUST
ACGIH TLV:10 MG/M3 TDUST; 9293

Ingred Name:SILICON DIOXIDE (TOTAL DUST 10 MG/CUM IF % < 1)
RTECS #:VV7320000
Fraction by Wt: <1%
ACGIH TLV:10 MG/CUM

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

Effects of Overexposure:PROLONGED EXPOSURE TO RESPIRABLE FREE SILICA
    DUST MAY LEAD TO DEVELOPMENT OF LUNG INJURY (SILICOSIS)

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

Spill Release Procedures:MATL IS INERT. HANDLE BY ORDINARY MEANS SUCH
    AS BROOM, SHOVEL, VACUUM CLEANER, ETC.

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

Handling and Storage Precautions:USE ADEQUATE VENT & DUST COLLECTION
    FOR HANDLING, STORAGE & CLEAN-UP. LIMIT EXPOSURE SO TLV IS NOT
    EXCEEDED.
Other Precautions:POSS IRRIT OF SKIN BY ABRASION. LARGER GRAIN SIZES
    MAY HAVE SHARP EDGES CAPABLE OF CUTTING INTO HANDS.

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

Respiratory Protection:NIOSH APPRVD DUST RESP USED IN COMPLIANCE W/29
    CFR 1910.134
Ventilation:AVOID DUST BUILD-UP IN AIR,ADEQUATE VENT
Protective Gloves:YES
Eye Protection:YES
Supplemental Safety and Health

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

Boiling Pt:B.P. Text:> 3650F
Spec Gravity:3.2
Appearance and Odor:CRYSTALLINE PARTICLES; NO ODOR.

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

Stability Indicator/Materials to Avoid:YES
HYDROFLUORIC ACID

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

Waste Disposal Methods:DISPOSE IAW FEDERAL, STATE & LOCAL REGULATIONS.

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