Product ID:TENAX MORTAR
MSDS Date:05/15/1996
FSC:9395
NIIN:00N033707
Status Code:A
MSDS Number: CJPNF

NORTH AMERICAN REFRACTORIES CO

1228 EUCLID AVE
CLEVELAND, OH 44115-1809
US

Emergency Phone: 814-234-7981

Info Phone: 216-621-5200

Preparer: D. ABRINO

Cage: 86653

NORTH AMERICAN REFRACTORIES COMPANY

CLEVELAND, OH 44115-1809 US

Telephone: 814-234-7981/814-234-3890

Cage: 86653

CRYSTALLINE SILICA INCLUDING INGREDIENTS 2-4

QUARTZ

CAS: 14808-60-7

RTECS: VV7330000

OSHA PEL see Table Z-3

ACGIH TLV: 0.1 MG/M3

CRISTOBALITE

CAS: 14464-46-1

RTECS: VV7325000

OSHA PEL see Table Z-3

ACGIH TLV: 0.05 MG/M3

TRIDYMITE

CAS: 15468-32-3

RTECS: VV7335000

OSHA PEL see Table Z-3

ACGIH TLV: 0.05 MG/M3

GRAPHITE

CAS: 7782-42-5

RTECS: MD9659600

OSHA PEL see Table Z-3

ACGIH TLV: 2 MG/M3

SILICA, CAS #14808-60-7. SEE INGREDIENT 2

KAOLIN; (HYDROUS ALUMINA SILICATE)

CAS: 1332-58-7

RTECS: GF1670500

OSHA PEL 15 MG/M3

ACGIH TLV: 2 MG/M3

SODIUM SILICATE (NA2SIO3); (SODIUM SILICATE)

CAS: 6834-92-0

RTECS: VV9275000

ALUMINUM SILICATE (AL2SIO5); (HYDROUS ALUMINA SILICATE)

CAS: 12141-46-7

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: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.

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.

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

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

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.

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 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.

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

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.

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.

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.