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

MSDS NAME:TENAX MORTAR
NIIN:00N033707
Status Code:A
MSDS Number: CJPNF
=== Responsible Party ===
Company:NORTH AMERICAN REFRACTORIES CO
Address:1228 EUCLID AVE
City:CLEVELAND
State:OH
ZIP:44115-1809
Country:US
Info Phone Num:216-621-5200
Emergency Phone Num:814-234-7981
Resp. Party Other MSDS Num.:4028-00
Preparer's Name:D. ABRINO
CAGE:86653
=== Contractor Identification ===
Company:NORTH AMERICAN REFRACTORIES COMPANY
Address:500 HALLE BUILDING 1228 EUCLID AVENUE
Box:City:CLEVELAND
State:OH
ZIP:44115-1809
Country:US
Phone:814-234-7981/814-234-3890
CAGE:86653

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

Name:CRYSTALLINE SILICA INCLUDING INGREDIENTS 2-4
Minumum % Wt:30.
Maxumum % Wt:50.

Name:QUARTZ
CAS:14808-60-7
RTECS #:VV7330000
OSHA PEL:see Table Z-3
ACGIH TLV:0.1 MG/M3

Name:CRISTOBALITE
CAS:14464-46-1
RTECS #:VV7325000
OSHA PEL:see Table Z-3
ACGIH TLV:0.05 MG/M3

Name:TRIDYMITE
CAS:15468-32-3
RTECS #:VV7335000
OSHA PEL:see Table Z-3
ACGIH TLV:0.05 MG/M3

Name:GRAPHITE
CAS:7782-42-5
RTECS #:MD9659600
Minumum % Wt:.1
Maxumum % Wt:1.
OSHA PEL:see Table Z-3
ACGIH TLV:2 MG/M3

Name:SILICA, CAS #14808-60-7. SEE INGREDIENT 2
Minumum % Wt:10.
Maxumum % Wt:30.

Name:KAOLIN; (HYDROUS ALUMINA SILICATE)
CAS:1332-58-7
RTECS #:GF1670500
Minumum % Wt:10.
Maxumum % Wt:30.
OSHA PEL:15 MG/M3
ACGIH TLV:2 MG/M3

Name:SODIUM SILICATE (NA2SIO3); (SODIUM SILICATE)
CAS:6834-92-0
RTECS #:VV9275000
Minumum % Wt:10.
Maxumum % Wt:30.

Name:ALUMINUM SILICATE (AL2SIO5); (HYDROUS ALUMINA SILICATE)
CAS:12141-46-7
Minumum % Wt:30.
Maxumum % Wt:50.

=====================  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:THRESHOLD LIMIT VALUE: FOR GRAPHITE:
    OSHA:2.5 MG/M3 RESPIRABLE. ACGIH:2.5 MG/M3 RESPIRABLE. NATRL
    GRAPHITE USED IN THIS PROD MAY CNTN UP TO 4% CRYSTALLINE SILICA
    (ALMOST ENTIRELY QUARTZ PHYSICALLY ENC LOSED BETWEEN GRAPHITE
    FLAKES). EXPOS LIMITS FOR GRAPHITE SHOWN ABOVE, TAKE THIS INTO
    ACCOUNT. OBSERVANCE OF THESE LIMITS SHOULD BE ADEQ TO SUFFICIENTLY
    LIMIT SILICA EXPOS. IN  EVENT THAT GRAPHITE FLA KES BECOME OXIDIZED
    OR OTHERWISE DISRUPTED, IE SAWING, ADDNL MEASURES SHOULD BE TAKEN
    TO MINIMIZE RESPIRABLE DUST EXPOS. FOR RESPIRABLE DUST CONTAINING
    CRYSTALLINE SILICA: OSHA: FOR RESPIRABLE DUST: 1 0 DIVIDED BY (EFTS
    OF OVEREXP)
Explanation of Carcinogenicity:SILICA, CRYSTALLINE-QUARTZ,
    -CRISTOBALITE AND -TRIDYMITE: IARC MONOGRAPHS, VOL 68, PG 41,
    1997:GROUP 1. NTP 8TH ANNUAL REPORT ON CARCINOGENS, 1998:REASONABLY
    ANTICIPATED TO BE HUMAN CARCINOGEN.
Effects of Overexposure:HLTH HAZS: (% QUARTZ + 2) EXPRESSED IN MG/M3.
    ACGIH: QUARTZ: 0.1 MG/M3. CRISTOBALITE 0.05 MG/M3. TRIDYMITE: 0.05
    MG/M3. FOR ALL INGREDS NOT LISTED ABOVE: OSHA: 10 MG/M3 TDUST.
    ACGIH: 10 MG/M3 TDUST. E FTS OF OVEREXP: CHRONIC EXPOS TO DUST
    COULD CAUSE PULM PROBS. CRYSTALLINE SILICA: CHRONIC OVEREXP TO DUST
    CONTAINING RESPIRABLE SIZED CRYSTALLINE (QUARTZ, CRISTOBLITE &
    TRIDYMITE) CAN CAUSE DELAYED LU NG INJURY (SILICOSIS). POINT OF
    ATTACK: RESP SYSTEM & LUNGS. FOR MORE INFO ON CRYSTALLINE SILICA
    REFER TO IARC MONOGRAPH, VOL 42, NIOSH DOCUMENT 75-120, NTP REPORT
    ON CARCINS.
Medical Cond Aggravated by Exposure:INHALATION OF DUST CONTAINING
    CRYSTALLINE SILICA MAY CONTRIBUTE TO PRE-EXISTING PULMONARY
    DISEASES SUCH AS ASTHMA AND LUNG DISORDERS ASSOCIATED WITH THE
    SMOKING OF TOBACCO.

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

First Aid:INGEST: CALL MD IMMEDIATELY . SKIN: WASH THOROUGHLY WITH SOAP
    AND WATER. INHALATION: REMOVE TO FRESH AIR. EYES: FLUSH WITH WATER
    FOR AT LEAST 15 MINUTES AND GET MEDICAL HELP.

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

Extinguishing Media:MEDIA SUITABLE FOR SURROUNDING FIRE .
Fire Fighting Procedures:USE NIOSH APPROVED SCBA AND FULL PROTECTIVE
    EQUIPMENT .
Unusual Fire/Explosion Hazard:THIS PRODUCT IS NON-FLAMMABLE AND WILL
    NOT SUPPORT COMBUSTION.

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

Spill Release Procedures:AVOID GENERATING DUST EXPOSURE WHEN MATERIALS
    ARE DRIED.

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

Handling and Storage Precautions:AVOID DUST GENERATION. DUST CREATED
    DURING DEMOLITION OF USED PRODUCT MAY CONTAIN CRYSTALLINE SILICA.

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

Respiratory Protection:NIOSH APPROVED DUST TYPE FOR EXPOSURES ABOVE
    TLV.
Ventilation:SUFFICIENT VENTILATION SHOULD BE USED TO INSURE EXPOSURES
    BELOW THE TLV/PEL.
Protective Gloves:IMPERVIOUS GLOVES.
Eye Protection:ANSI APPROVED CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:ANSI APPROVED EYE WASH AND DELUGE SHOWER .
Supplemental Safety and Health
PHYSICAL DATA - ODOR THRESHOLD: NOT APPLICABLE; COEFFICIENT OF
    WATER/OIL DISTRIBUTION: NOT APPLICABLE.

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

Boiling Pt:B.P. Text:NOT AVAILABLE
Vapor Density:NOT APPLIC
Spec Gravity:NOT AVAILABLE
pH:9-10.9 RANGE
Solubility in Water:NOT AVAILABLE
Appearance and Odor:GRAY, FINE-GRAINED, WET MIXTURE, ODORLESS.
Percent Volatiles by Volume:N/K (WT)

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

Stability Indicator/Materials to Avoid:YES
Stability Condition to Avoid:THIS PRODUCT IS STABLE AND NON-REACTIVE.
Hazardous Decomposition Products:CRYSTALLINE SILICA LEVELS IN USED
    REFRACTORIES MAY BE HIGHER OR LOWER THAN AS-SHIPPED DEPENDING ON
    SERVICE CNDTNS. HYGIENE MONITORING SHOULD BE DONE TO INSURE PROPER
    EMPLOYEE PROTECTION DURING TEAROUT.

===================  Toxicological Information	===================

Toxicological Information:TOXICITY DATA: QUARTZ: LCLO: 300 UG/M3 /
    10Y-I INHALATION HUMAN. CRISTOBALITE: TCLO: 16 MPPCF/8H/17.9Y-I
    INHALATION HUMAN. TRIDYMITE: TCLO: 16 MPPCF/8H/17.96-8 INHALATION
    HUMAN. NOTE: LD50 AND LC50 NO T AVAILABLE. SODIUM SILICATE: SODIUM
    SILICATE USED IN THIS PRODUCT MAY CAUSE SKIN AND EYE IRRITATION.
    TOXICITY DATA: SKIN-HUMAN - 205MG/24H - SEVERE. LDLO: 250MG/KG
    (ORAL, DOG). LDLO: 200 MG/KG (INTER PERITONEAL-GUINEA PIG).
    CARCINOGENICITY INFO: WITH THE EXCEPTION OF CRYSTALLINE SILICA NO
    INGREDIENT IN THIS PRODUCT IS FOUND ON EITHER THE FEDERAL OSHA, NTP
    OR IARC LIST OF CARCINOGENS.

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

Waste Disposal Methods:DISPOSE OF MATERIAL ACCORDING TO LOCAL, STATE OR
    FEDERAL REGULATIONS AND AS FINAL USED CONDITION OF THE PRODUCT
    DICTATES.

=====================  Regulatory Information  =====================

SARA Title III Information:PRODUCT SARA HAZARD CLASS: (1) IMMEDIATE OR
    ACUTE (IRRITANT) (2) DELAYED OR CHRONIC. SARA NOTICE: THIS PRODUCT
    DOES NOT CONTAIN ANY CHEMICALS THAT ARE SUBJECT TO THE REPORTING
    REQUIREMENTS OF SECTION  313 OF TITLE III OF THE SUPERFUND
    AMENDMENTS AND REAUTHORIZATION ACT OF 1986 AND PART 40 CFR 372.
Federal Regulatory Information:WHMIS HAZARD CLASS (CANADA): CLASS D -
    DIVISION 2 - SUB DIVISION A. UNTESTED MIXTURE CONTAINING A VERY
    TOXIC MATERIAL. CLASS D - DIVISION 2 - SUB DIVISION B. UNTESTED
    MIXTURE CONTAINING A TOXIC MATERI AL.

=======================  Other Information  =======================

 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.

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