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

MSDS NAME:ALUMEX 60
NIIN:00-247-0543
Status Code:A
MSDS Number: CLNQD
=== Responsible Party ===
Company:NATIONAL REFRACTORIES AND MINERALS CORP
Address:41738 ESTERLY DR
Box:47
City:COLUMBIANA
State:OH
ZIP:44408-9448
Country:US
Info Phone Num:216-482-3841/415-462-1147
Emergency Phone Num:510-449-5010
CAGE:4H756
=== Contractor Identification ===
Company:NATIONAL REFRACTORIES AND MINERALS CORP
Address:41738 ESTERLY DR
Box:47
City:COLUMBIANA
State:OH
ZIP:44408-9448
Country:US
Phone:216-482-3841/415-462-1147
Contract Num:DLA440-93-C-5337
CAGE:4H756

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

Name:SILICA, CRYSTALLINE - CRISTOBALITE
CAS:14464-46-1
RTECS #:VV7325000
Fraction by Wt: <10%
Other REC Limits:NONE RECOMMENDED
OSHA PEL:SEE TABLE Z-3
ACGIH TLV:0.05 MG/M3 RDUST9394

Name:ALUMINO-SILICATES [GROG]
CAS:66402-68-4
Fraction by Wt: >90%
Other REC Limits:NONE RECOMMENDED

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

Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:YES    IARC:YES	  OSHA:NO
Health Hazards Acute and Chronic:ACUTE: CONTACT MAY CAUSE EYE
    IRRITATION. CHRONIC: LONG TERM EXPOSURE, BY INHALATION, MAY CAUSE
    PNEUMOCONIOSIS IN SUSCEPTIBLE PERSONS. PROLONGED OR REPEATED
    CONTACT WITH SKIN MAY CAUSE IRRITATION.
Explanation of Carcinogenicity:CRYSTALLINE SILICA IS LISTED BY NTP (AC)
    AND IARC (2A) AS AN ANTICIPATED OR SUSPECTED CARCINOGEN.
Effects of Overexposure:NONE SPECIFIED BY MANUFACTURER. IRRITATION
Medical Cond Aggravated by Exposure:PRE-EXISTING RESPIRATORY CONDITIONS

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

First Aid:SKIN- WASH WITH SOAP AND PLENTY OF WATER. EYES- IRRIGATE
    IMMEDIATELY WITH COPIOUS AMOUNTS OF WATER FOR 15 MINUTES. CONSULT
    PHYSICIAN IF NECESSARY. INHALATION- REMOVE TO FRESH AIR.

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

Spill Release Procedures:USE DUST FREE METHODS OF CLEANUP.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:NONE SPECIFIED BY MANUFACTURER.
Other Precautions:NONE SPECIFIED BY MANUFACTURER.

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

Respiratory Protection:RESPIRATOR APPROVED BY NIOSH/MSHA AND ADEQUATE
    FOR CONTAMINANT CONCENTRATION ENCOUNTERED.
Ventilation:LOCAL EXHAUST RECOMMENDED TO MAINTAIN EXPOSURES BELOW TLV'S
    AND PEL'S.
Protective Gloves:IMPERVIOUS GLOVES ARE RECOMMENDED
Eye Protection:SAFETY GLASSES ARE RECOMMENDED
Other Protective Equipment:NONE SPECIFIED BY MANUFACTURER.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health

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

HCC:N1
Spec Gravity:0.5 - 3.0
Solubility in Water:NIL
Appearance and Odor:GREY SOLID; NO ODOR

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

Stability Indicator/Materials to Avoid:YES
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.

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

Waste Disposal Methods:FINAL USED PRODUCT SHOULD BE TESTED TO DETERMINE
    HAZARD STATUS AND DISPOSED IN ACCORDANCE WITH FEDERAL, STATE AND
    LOCAL LAWS AND 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 ***