Product ID:PUROCAST
MSDS Date:06/20/1989
FSC:9350
NIIN:00-789-1749
MSDS Number: BJPMD

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

WESTERN INDUSTRIAL CERAMICS INC

REDMOND, WA 98052-5519 US

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

Cage: 1P429

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

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:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:YES OSHA:NO
Health Hazards Acute and Chronic:INHALATION OF INERT DUST IS THE
CHRONIC AND ACUTE HAZARD FOR THIS PRODUCT.
Explanation of Carcinogenicity:IARC LISTS CRYSTALLINE SILICA AS A
CARCINOGEN.
Effects of Overexposure:EYE:MECHANICAL IRRITATION BY DUST.
SKIN:POSSIBLE MECHANICAL IRRITATION BY DUST. INHALATION OF
DUST:TRANSIENT MECHANICAL IRRITATION OF RESPIRATORY TRACT AND
PULMONARY DAMAGE BY CHRONIC OVEREXPOSURE T O THE DUST.
INGESTED:NON-TOXIC. NO KNOWN SYMPROMS.
Medical Cond Aggravated by Exposure:NONE GIVEN BY MANUMACTURER.

First Aid:EYE:FLUSH W/WATER 15 MIN, HOLD LIDS OPEN. SKIN:WASH WITH
SOAP & WATER. INHALED:REMOVE TO FRESH AIR. RESTORE BREATHING IF
NECESSARY. INGESTED:DO NOT INDUCE VOMITING. GIVE 2 LARGE GLASSES
OF MILK OR WATER. OBSERVE FO SYMPTOMS AND GET MEDICAL CARE IF
NEEDED. GIVE NOTHING BY MOUTH IF UNCONSCIOUS. IF IRRITATION
PERSISTS OR IS SEVERE,SEE A DOCTOR.

Flash Point:NON-FLAMMABLE
Extinguishing Media:PRODUCT IS NON FLAMMABLE. EXTINGUISH FIRE WITH
MEDIA APPROPRIATE FOR SOURCE OF FIRE.
Fire Fighting Procedures:FIRE FIGHTERS SHOULD USE NIOSH APPROVED SCBA &
FULL PROTECTIVE EQUIPMENT WHEN FIGHTING CHEMICAL FIRE. USE WATER
SPRAY TO COOL NEARBY CONTAINERS EXPOSED TO FIRE.
Unusual Fire/Explosion Hazard:NONE GIVEN BY MANUFACTURER (SUPPLIER).

Spill Release Procedures:SWEEP UP OR VACUUM. USE CARE TO KEEP
RESPIRABLE DUST TO A MINIMUM AND USE RESPIRATOR IF NECESSARY.
Neutralizing Agent:NONE

Handling and Storage Precautions:KEEP SEALED AND DRY.
Other Precautions:NONE

Respiratory Protection:RESPIRATOR WILL NOT NORMALLY BE NECESSARY. USE
NIOSH/MSHA APPROVED AIR SUPPLIED RESPIRATOR OR RESPIRATOR FOR
NUISANCE DUST IF EXPOSURE IS ABOVE THE TLV/PEL. SEE 29 CFR 1910.134
FOR REGULATIONS PERTAI NING TO RESPIRATOR USE.
Ventilation:VENTILATION IS REQUIRED ONLY WHEN ENGAGING IN A DUST
PRODUCING OPERATION WHERE PEL/TLV OF NUISANCE DUST IS EXCEEDED.
Protective Gloves:NOT NECESSARY, USE PROTECTIVE COTTON,ETC
Eye Protection:SAFETY GLASSES OR SPLASH GOGGLES
Other Protective Equipment:INDUSTRIAL TYPE CLOTHING AS REQUIRED TO
PREVENT PROLONGED OR REPEATED SKIN CONTACT.
Work Hygienic Practices:USE GOOD INDUSTRIAL HYGIENE PRACTICE. AVOID
UNNECESSARY CONTACT. WASH THOROUGHLY BEFORE EATING OR DRINKING.
Supplemental Safety and Health
NONE

HCC:N1
Spec Gravity:POWDER
Solubility in Water:NEGLIGIBLE
Appearance and Odor:GRAY GRANULAR POWDER, NO ODOR

Stability Indicator/Materials to Avoid:YES
NONE GIVEN BY MANUFACTURER (SUPPLIER).
Stability Condition to Avoid:NONE GIVEN BY MANUFACTURER (SUPPLIER).
Hazardous Decomposition Products:NONE

Waste Disposal Methods:DISPOSE I/A/W ALL FEDERAL, STATE AND LOCAL
REGULATIONS. DGAS-SSH SUGGESTS THAT MATERIAL MAY BE TREATED AS
ORDINARY REFUSE IF USE DOES NOT CONTAMINATE IT, MAKING IT A
HAZARDOUS WASTE.

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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.