Product ID:ALUMEX 60
MSDS Date:06/30/1997
FSC:9350
NIIN:00-240-6806
MSDS Number: CFKQR

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: <10%

OSHA PEL SEE TABLE Z-3

ACGIH TLV: 0.05 MG/M3 RDUST9596

ALUMINO-SILICATES

CAS: 66402-68-4

Fraction By Weight: >90%

LD50 LC50 Mixture:TDLO (RAT) 90 MG/KG
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:YES IARC:YES OSHA:NO
Health Hazards Acute and Chronic:AS MANUFACTURED, POSES NO SIGNIFICANT
HAZARD. PARTICULATES FORMED DURING PROCESSING MAY CAUSE: EYES-
SLIGHT TO MODERATE IRRITATION. SKIN- SLIGHT IRRITATION. INHLATION-
SLIGHT TO MODERATE IRRITATION OF MUCOUS MEMBRANES. INGESTION-
UNLIKELY.IF HAPPENS, MAY CAUSE GASTROINTESTINAL DISTURBNCES.
Explanation of Carcinogenicity:IARC- CRYSTALLINE SILICA, GROUP 1
CARCINOGEN. NTP- CRYSTLLINE SILICA AS REASONABLY ANTICIPATED TO BE
A CARCINOGEN.
Effects of Overexposure:SYMPTOMS MAY INCLUDE IRRITATION, NAUSEA,
VOMITING, ABDOMINAL PAIN AND DIARRHEA.
Medical Cond Aggravated by Exposure:PREEXISTING DISEASES OR OTHER
CONDITIONS OF THE LUNGS, SKIN, EYES, AND OTHER MUCOUS MEMBRANES.
EXPOSURE IN CONJUNCTION WITH OTHER POTENTIAL CARCINOGENS (SUCH AS
CIGARETTE SMOKING) IS SYNERGISTIC.

First Aid:EYES- IMMEDIATELY FLUSH WITH LARGE AMOUNTS OF RUNNING WATER
AS NEEDED. SKIN- WASH AREA WITH SOAP AND WATER. INHALATION-
IMMEDIATELY REMOVE VICTIM FROM THE DVERSE ENVIRONMENT TO FRESH AIR
AND SEEK MED ICAL ATTENTION. INGESTION- GIVE 1-2 GLASSES OF WATER
OR MILK. NEVER GIVE ANYTHING BY MOUTH TO AN UNCONSCIOUS PERSON.
LEAVE DECISION TO INDUCE VOMITING FOR A DOCTOR.

Extinguishing Media:AS APPROPRIATE FOR SURROUNDING FIRE.
Fire Fighting Procedures:AS APPROPRIATE FOR SURROUNDING FIRE.
GENERALLY, FIRE FIGHTERS SHOULD WEAR FULL TURNOUT (BUNKER) GEAR AND
FULL RESPIRTORY PROTECTION (SCBA GEAR).

Spill Release Procedures:CLEAN UP USING METHODS WHICH AVOID DUST
GENERATION. IF A VACUUM IS USED, EXHUST AIR SHOULD BE FILTERED BY
A HIGH-EFFICIENCY PARTICULATE AIR (HEPA) FILTER. DO NOT USE
COMPRESSED AIR TO CLEAN UP SPILLS .

Handling and Storage Precautions:STORE IN A DRY AREA. MINIMIZE DUST
GENERATION AND AVOID INHALATION AND CONTACT WITH DUSTS.
Other Precautions:NONE

Respiratory Protection:USE AN APPROPRIATE NIOSH/MSHA APPROVED
RESPIRATOR IF AIRBORNE CONTAMINANT CONCENTRATIONS EXCEED APPLICABLE
OSHA OR ACGIH LIMITS.
Ventilation:USE LOCAL AND/OR GENERAL DILUTION VENTILATION, AS NEEDED,
TO REDUCE EMPLOYEE EXPOSURES.
Protective Gloves:NONE
Eye Protection:SAFETY GLASSES, DUST-PROOF
Other Protective Equipment:CLOTHING WHICH MINIMIZES SKIN EXPOSURE.
Work Hygienic Practices:USE GOOD PERSONAL HYGIENE WHEN HANDLING THIS
PRODUCT. WASH HANDS AFTER USE, BEFORE SMOKING, OR BEFORE USING THE
TOILET.
Supplemental Safety and Health
NONE

HCC:N1
Melt/Freeze Pt:M.P/F.P Text:>2000F,>109
Spec Gravity:2.0-3.0
Solubility in Water:INSOLUBLE
Appearance and Odor:SOLID BRICK, PRACTICALLY ODORLESS.

Stability Indicator/Materials to Avoid:YES
STRONG ACIDS AND STRONG ALKALIS MAY ATTACK PRODUCT.

Waste Disposal Methods:COMPLY WITH FEDERAL, STATE, AND LOCAL
REGULATIONS REGARDING DISPOSAL.

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.