Product ID:TROWLEZE
MSDS Date:10/02/1991
FSC:9350
NIIN:00-153-6815
MSDS Number: BPXVV

NATIONAL REFRACTORIES AND MINERALS CORP

41738 ESTERLY DR
COLUMBIANA, OH 44408-9448
US

Emergency Phone: 216-482-3841

Info Phone: 216-482-3841

Cage: 4H756

NATIONAL REFRACTORIES AND MINERALS CORP

47 COLUMBIANA, OH 44408-9448 US

Telephone: 216-482-3841/415-462-1147

Cage: 4H756

SILICA, CRYSTALLINE - QUARTZ

CAS: 14808-60-7

RTECS: VV7330000

Fraction By Weight: <10%

OSHA PEL SEE TABLE Z3

ACGIH TLV: 0.1 MG/M3 RDUST;9293

GROG (ALUMINA-SILICATES)

CAS: 66402-68-4

Fraction By Weight: >55%

SODIUM METASILICATE, ANHYDROUS

CAS: 6834-92-0

RTECS: VV9275000

Fraction By Weight: <35%

OSHA PEL 2 MG/M3 8HR

ACGIH TLV: C; 2 MG.M3

Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:YES OSHA:NO
Health Hazards Acute and Chronic:ACUTE: INHALATION OF DUST AGGRAVATE
EXISTING RESPIRATORY CONDITIONS. CONTACT MAY IRRITATE EYES.
MANUFACTURER DOES NOT GIVE INGESTION HEALTH HAZARDS. CHRONIC:
PROLONGED OR REPEATED CONTACT MAY CAUSE SK IN IRRITATION;
INHALATION MAY CAUSE PNEUMONIOCOSIS IN SUSCEPTIBLE PERSONS.
Explanation of Carcinogenicity:CRYSTALLINE SILICA IS LISTED BY IARC AS
HAVING LIMITED EVIDENCE OF CARCINOGENICITY (2A CARCINOGEN).
Effects of Overexposure:INHALED: WORSENING EXISTING RESPIRATORY
CONDITION. EYES: REDNESS, DISCOMFORT. SKIN: REDNESS, DISCOMFORT.
INGESTED: NONE SPECIFIED BY MANUFACTURER.
Medical Cond Aggravated by Exposure:PRE-EXISTING LUNG OR RESPIRATORY
CONDITIONS MAY BE AGGRAVATED BY EXPOSURE.

First Aid:INHALED: MOVE TO FRESH AIR. EYES: FLUSH WITH LOTS OF WATER
WHILE HOLDING EYELIDS OPEN. SEE DOCTOR. SKIN: WASH WITH SOAP AND
WATER. INGESTED: NONE SPECIFIED BY MANUFACTURER.

Extinguishing Media:MEDIA APPROPRIATE FOR SURROUNDING FIRE.
Fire Fighting Procedures:WEAR SELF-CONTAINED BREATHING APPARATUS AND
BUNKER GEAR.
Unusual Fire/Explosion Hazard:NONE

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

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

Respiratory Protection:USE NIOSH/MSHA APPROVED RESPIRATOR WITH DUST
CARTRIDGE IF DUST CREATED DURING HANDLING, INSTALLATION OR TEAROUT.
USE IN ACCORDANCE WITH 29 CFR 1910.134.
Ventilation:NONE SPECIFIED BY MANUFACTURER.
Protective Gloves:NONE SPECIFIED BY MANUFACTURER.
Eye Protection:NONE SPECIFIED BY MANUFACTURER.
Other Protective Equipment:NONE SPECIFIED BY MANUFACTURER.
Work Hygienic Practices:WASH HANDS AFTER USE AND BEFORE EATING,
DRINKING, OR SMOKING.
Supplemental Safety and Health
TOXIC RISK MAY BE ALTERED BY CONDITIONS OF USE. THIS PRODUCT IS A
GRANULAR REFRACTORY MIX.

HCC:N1
Spec Gravity:1.5-2.5
Solubility in Water:APPRECIABLE
Appearance and Odor:GRANULAR, WET, REDDISH-GREY SOLID WITH NO ODOR

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

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