Product ID:PUROCAST,PUROCAST GM,PUROCAST N
MSDS Date:07/15/1988
FSC:9350
NIIN:00-153-6816
MSDS Number: BMWQL

NATIONAL REFRACTORIES AND MINERALS CORP

41738 ESTERLY DR
COLUMBIANA, OH 44408-9448
US

Emergency Phone: 216-482-3841/415-462-1147

Info Phone: 216-482-3841/415-462-1147

Cage: 4H756

NATIONAL REFRACTORIES AND MINERALS CORP

47 COLUMBIANA, OH 44408-9448 US

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

Cage: 4H756

SILICA, CRYSTALLINE - CRISTOBALITE

CAS: 14464-46-1

RTECS: VV7325000

Fraction By Weight: <15%

OSHA PEL SEE TABLE Z3

ACGIH TLV: 0.05 MG/M3 RDUST9293

SILICA, CRYSTALLINE - QUARTZ

CAS: 14808-60-7

RTECS: VV7330000

Fraction By Weight: <5%

OSHA PEL SEE TABLE Z3

ACGIH TLV: 0.1 MG/M3 RDUST;9293

GROG/ALUMINO-SILICATES

CAS: 66402-68-4

Fraction By Weight: >65%

CEMENT BINDER

CAS: 65997-16-2

Fraction By Weight: <15%

Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:YES OSHA:NO
Health Hazards Acute and Chronic:ACUTE- EYE:MAY IRRITATE OR INJURE
EYES. SKIN:REPEATED OR PROLONGED CONTACT MAY CAUSE IRRITATION.
INHALE:LONG TERM EXPOSURE TO RESPIRABLE SILICA MAY PRODUCE
PNEUMOCONIOSIS. ORAL: NONE KNOWN. CHRONIC-MA Y CAUSE
PNEUMOCONIOSIS.
Explanation of Carcinogenicity:INTERNATIONAL RESEARCH ON CANCER (IARC)
HAS CATEGORIZED CRYSTALLINE SILICA AS A CLASS 2A CARCINOGEN.
Effects of Overexposure:MAY IRRITATE OR INJURE EYES. REPEATED OR
PROLONGED SKIN CONTACT MAY CAUSE IRRITATION. LONG TERM EXPOSURE TO
RESPIRABLE SILICA MAY PRODUCE PNEUMOCONIOSIS.
Medical Cond Aggravated by Exposure:PERSONS WITH IMPAIRED RESPIRATORY
FUNCTION MAY BE MORE SUSCEPTIBLE TO THE EFFECTS OF THE SUBSTANCE.

First Aid:GET MEDICAL ATTENTION IF SYMPTOMS PERSIST. SKIN:WASH WITH
SOAP & WATER. EYE:FLUSH WITH WATER FOR 15 MINUTES, HOLDING EYELIDS
OPEN. INHALED:REMOVE TO FRESH AIR. ORAL:CALL PHYSICIAN.

Flash Point:NONE
Extinguishing Media:WATER SPRAY, CO2, FOAM/DRY CHEMICAL. WATER SPRAY
MAY BE USED TO KEEP FIRE EXPOSED CONTAINERS COOL & FLUSH SPILLS
AWAY.
Fire Fighting Procedures:WEAR PROTECTIVE CLOTHING AND NIOSH-APPROVED
SELF-CONTAINED BREATHING APPARATUS OR DUST RESPIRATOR IF NEEDED.
Unusual Fire/Explosion Hazard:NONE

Spill Release Procedures:USE DUST FREE METHODS OF CLEANUP.

Handling and Storage Precautions:STORAGE- STORE IN TIGHTLY CLOSED
CONTAINERS. DO NOT RAISE DUSTS.
Other Precautions:KEEP ALL CHEMICALS OUT OF REACH OF CHILDREN. THIS
PRODUCT FOR INDUSTRIAL USE ONLY. AVOID BREATHING DUSTS. DO NOT GET
IN EYES, ON SKIN OR ON CLOTHING. TOXIC RISK MAY BE ALTERED BY
CHEMICAL OR PHYSICAL CHANGES CAUSED BY CONDITIONS OF USE.

Respiratory Protection:USE NIOSH APPROVED DUST RESPIRATOR IF DUST IS
CREATED DURING HANDLING, INSTALLATION OR TEAR OUT.
Ventilation:GOOD GENERAL VENTILATION IS SUFFICIENT FOR MOST CONDITIONS
(10 ROOM VOLUMES PER HOUR).
Protective Gloves:PLASTIC OR RUBBER
Eye Protection:DUST-RESISTANT GOGGLES OR SAFETY GLASSES
Other Protective Equipment:EYE WASH STATION, QUICK DRENCH SHOWER AND
IMPERVIOUS CLOTHING
Work Hygienic Practices:OBSERVE GOOD PERSONAL HYGIENE PRACTICES AND
RECOMMENDED PROCEDURES. DO NOT WEAR CONTAMINATED CLOTHING OR
FOOTWEAR.
Supplemental Safety and Health

HCC:N1
Spec Gravity:2.0 - 3.0
Solubility in Water:NIL
Appearance and Odor:GREY, GRANULAR, DRY - NO ODOR
Percent Volatiles by Volume:NIL

Stability Indicator/Materials to Avoid:YES
Stability Condition to Avoid:NONE

Waste Disposal Methods:FINAL USED PRODUCT SHOULD BE TESTED TO DETERMINE
HAZARD STATUS AND DISPOSED 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.